Nuvoton NUC970 series Product manual

NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 1 - Revision V1.30
NUC970 TECHNICAL REFERENCE MANUAL
ARM926EJ-S Based
32-bit Microcontroller
NUC970 Series
Technical Reference Manual
The information described in this document is the exclusive intellectual property of
Nuvoton Technology Corporation and shall not be reproduced without permission from Nuvoton.
Nuvoton is providing this document only for reference purposes of NuMicro microcontroller based
system design. Nuvoton assumes no responsibility for errors or omissions.
All data and specifications are subject to change without notice.
For additional information or questions, please contact: Nuvoton Technology Corporation.
www.nuvoton.com

NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 2 - Revision V1.30
NUC970 TECHNICAL REFERENCE MANUAL

NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 3 - Revision V1.30
NUC970 TECHNICAL REFERENCE MANUAL
TABLE OF CONTENTS
TABLE OF CONTENTS.........................................................................................................3
LIST OF FIGURES...............................................................................................................12
LIST OF TABLES.................................................................................................................17
1 GENERAL DESCRIPTION..........................................................................................18
2 FEATURES .................................................................................................................19
NUC970 Series Features...................................................................................................19
2.1
3 PARTS INFORMATION LIST AND PIN CONFIGURATION........................................27
NUC970 Series Part Number Naming Guide......................................................................273.1 NUC970 Series Part Selection Guide.................................................................................283.2 Pin Configuration ...............................................................................................................293.3
3.3.1 NUC972DFxxY Pin Diagram............................................................................................................ 29
3.3.2 NUC976DKxxY Pin Diagram............................................................................................................ 30
3.3.3 NUC977DKxxY Pin Diagram............................................................................................................ 31
Pin Description...................................................................................................................323.4
4 BLOCK DIAGRAM.......................................................................................................58
NUC970 Series Block Diagram..........................................................................................584.1
5 FUNCTIONAL DESCRIPTION....................................................................................59
ARM®ARM926EJ-S CPU Core..........................................................................................595.1
5.1.1 Overview........................................................................................................................................... 59
5.1.2 System Control Coprocessor (CP15)............................................................................................... 60
5.1.3 Memory Management Unit (MMU)................................................................................................... 60
5.1.4 Caches and Write Buffer .................................................................................................................. 61
5.1.5 Bus Interface Unit............................................................................................................................. 62
5.1.6 Power Management......................................................................................................................... 62
System Manager................................................................................................................635.2
5.2.1 Overview........................................................................................................................................... 63
5.2.2 System Reset................................................................................................................................... 63
5.2.3 System Power Distribution ............................................................................................................... 64
5.2.4 System Memory Map ....................................................................................................................... 65
5.2.5 Power-On Setting............................................................................................................................. 69
5.2.6 Register Map.................................................................................................................................... 71
5.2.7 Register Description......................................................................................................................... 73
Clock Controller (CLK_CTL).............................................................................................139
5.3

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5.3.1 Overview......................................................................................................................................... 139
5.3.2 Features ......................................................................................................................................... 139
5.3.3 Block diagram................................................................................................................................. 140
5.3.4 Functional description .................................................................................................................... 149
5.3.5 Registers Map ................................................................................................................................ 151
5.3.6 Register description........................................................................................................................ 152
Advanced Interrupt Controller (AIC).................................................................................1865.4
5.4.1 Overview......................................................................................................................................... 186
5.4.2 Features ......................................................................................................................................... 186
5.4.3 Block Diagram................................................................................................................................ 187
5.4.4 Functional Description.................................................................................................................... 187
5.4.5 Register Map.................................................................................................................................. 192
5.4.6 Register Description....................................................................................................................... 194
SDRAM Interface Controller (SDIC).................................................................................2175.5
5.5.1 Overview......................................................................................................................................... 217
5.5.2 Features ......................................................................................................................................... 217
5.5.3 Block Diagram................................................................................................................................ 218
5.5.4 Basic Configuration ........................................................................................................................ 219
5.5.5 Functional Description.................................................................................................................... 219
5.5.6 Register Map.................................................................................................................................. 223
5.5.7 Register Description....................................................................................................................... 223
MTP Controller (MTP)......................................................................................................2465.6
5.6.1 Overview......................................................................................................................................... 246
5.6.2 Features ......................................................................................................................................... 246
5.6.3 Block Diagram................................................................................................................................ 247
5.6.4 Basic Configuration ........................................................................................................................ 248
5.6.5 Functional Description.................................................................................................................... 249
5.6.6 Software Programming Flow.......................................................................................................... 250
5.6.7 Register Map.................................................................................................................................. 251
5.6.8 Register Description....................................................................................................................... 252
External Bus Interface (EBI).............................................................................................2615.7
5.7.1 Overview......................................................................................................................................... 261
5.7.2 Features ......................................................................................................................................... 261
5.7.3 Block Diagram................................................................................................................................ 261
5.7.4 Basic Configuration ........................................................................................................................ 262
5.7.5 Functional Description.................................................................................................................... 262

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5.7.6 Register Map.................................................................................................................................. 263
5.7.7 Register Description....................................................................................................................... 264
General Purpose I/O (GPIO)............................................................................................2725.8
5.8.1 Overview......................................................................................................................................... 272
5.8.2 Features ......................................................................................................................................... 272
5.8.3 Block Diagram................................................................................................................................ 273
5.8.4 Basic Configuration ........................................................................................................................ 273
5.8.5 Functional Description.................................................................................................................... 273
5.8.6 Register Map.................................................................................................................................. 274
5.8.7 Register Description....................................................................................................................... 279
General DMA Controller (GDMA).....................................................................................2995.9
5.9.1 Overview......................................................................................................................................... 299
5.9.2 Features ......................................................................................................................................... 299
5.9.3 Block Diagram................................................................................................................................ 299
5.9.4 Basic Configuration ........................................................................................................................ 300
5.9.5 Functional Description.................................................................................................................... 300
5.9.6 Register Map.................................................................................................................................. 304
5.9.7 Register Description....................................................................................................................... 305
Timer Controller (TMR) ....................................................................................................3225.10
5.10.1 Overview......................................................................................................................................... 322
5.10.2 Features ......................................................................................................................................... 322
5.10.3 Block Diagram................................................................................................................................ 323
5.10.4 Basic Configuration ........................................................................................................................ 323
5.10.5 Functional Description.................................................................................................................... 323
5.10.6 Register Map.................................................................................................................................. 325
5.10.7 Register Description....................................................................................................................... 326
Enhance Timer Controller (ETMR)...................................................................................3325.11
5.11.1 Overview......................................................................................................................................... 332
5.11.2 Features ......................................................................................................................................... 332
5.11.3 Block Diagram................................................................................................................................ 332
5.11.4 Basic Configuration ........................................................................................................................ 333
5.11.5 Functional Description.................................................................................................................... 333
5.11.6 Register Map.................................................................................................................................. 336
5.11.7 Register Description....................................................................................................................... 336
Pulse Width Modulation (PWM) .......................................................................................3475.12
5.12.1 Overview......................................................................................................................................... 347

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5.12.2 Features ......................................................................................................................................... 347
5.12.3 Block Diagram................................................................................................................................ 348
5.12.4 Basic Configuration ........................................................................................................................ 348
5.12.5 Functional Description.................................................................................................................... 348
5.12.6 Register Map.................................................................................................................................. 352
5.12.7 Register Description....................................................................................................................... 353
Watchdog Timer (WDT)...................................................................................................3635.13
5.13.1 Overview......................................................................................................................................... 363
5.13.2 Features ......................................................................................................................................... 363
5.13.3 Block Diagram................................................................................................................................ 363
5.13.4 Basic Configuration ........................................................................................................................ 363
5.13.5 Functional Description.................................................................................................................... 364
5.13.6 Register Map.................................................................................................................................. 367
5.13.7 Register Description....................................................................................................................... 368
Windowed Watchdog Timer (WWDT) ..............................................................................3725.14
5.14.1 Overview......................................................................................................................................... 372
5.14.2 Features ......................................................................................................................................... 372
5.14.3 Block Diagram................................................................................................................................ 372
5.14.4 Basic Configuration ........................................................................................................................ 372
5.14.5 Function Description....................................................................................................................... 373
5.14.6 Register Map.................................................................................................................................. 377
5.14.7 Register Description....................................................................................................................... 378
Real Time Clock (RTC)....................................................................................................3845.15
5.15.1 Overview......................................................................................................................................... 384
5.15.2 Features ......................................................................................................................................... 384
5.15.3 Block Diagram................................................................................................................................ 385
5.15.4 Basic Configuration ........................................................................................................................ 385
5.15.5 Functional Description.................................................................................................................... 385
5.15.6 Register Map.................................................................................................................................. 387
5.15.7 Register Description....................................................................................................................... 389
UART Interface Controller (UART)...................................................................................4115.16
5.16.1 Overview......................................................................................................................................... 411
5.16.2 Features ......................................................................................................................................... 412
5.16.3 Block Diagram................................................................................................................................ 413
5.16.4 Basic Configuration ........................................................................................................................ 414
5.16.5 Functional Description.................................................................................................................... 414

NUC970 Technical Reference Manual
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NUC970 TECHNICAL REFERENCE MANUAL
5.16.6 Register Map.................................................................................................................................. 443
5.16.7 Register Description....................................................................................................................... 445
Smart Card Host Interface (SC) .......................................................................................4745.17
5.17.1 Overview......................................................................................................................................... 474
5.17.2 Features ......................................................................................................................................... 474
5.17.3 Block Diagram................................................................................................................................ 475
5.17.4 Basic Configuration ........................................................................................................................ 476
5.17.5 Functional description .................................................................................................................... 476
5.17.6 Register Map.................................................................................................................................. 486
5.17.7 Register Description....................................................................................................................... 488
I2C Synchronous Serial Interface Controller (I2C).............................................................5165.18
5.18.1 Overview......................................................................................................................................... 516
5.18.2 Features ......................................................................................................................................... 516
5.18.3 Block Diagram................................................................................................................................ 517
5.18.4 Basic Configuration ........................................................................................................................ 517
5.18.5 Functional Description.................................................................................................................... 518
5.18.6 Register Map.................................................................................................................................. 526
5.18.7 Register Description....................................................................................................................... 527
SPI Interface Controller (SPI)...........................................................................................5355.19
5.19.1 Overview......................................................................................................................................... 535
5.19.2 Features ......................................................................................................................................... 535
5.19.3 Block Diagram................................................................................................................................ 536
5.19.4 Basic Configuration ........................................................................................................................ 536
5.19.5 Function Description....................................................................................................................... 537
5.19.6 Registers Map ................................................................................................................................ 542
5.19.7 Register Description....................................................................................................................... 543
I2S Controller (I2S)............................................................................................................5505.20
5.20.1 Overview......................................................................................................................................... 550
5.20.2 Features ......................................................................................................................................... 550
5.20.3 Block Diagram................................................................................................................................ 551
5.20.4 Basic Configuration ........................................................................................................................ 551
5.20.5 Functional Description.................................................................................................................... 552
5.20.6 Register Map.................................................................................................................................. 555
5.20.7 Register Description....................................................................................................................... 556
Ethernet MAC Controller (EMAC).....................................................................................5815.21
5.21.1 Overview......................................................................................................................................... 581

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5.21.2 Features ......................................................................................................................................... 581
5.21.3 Block Diagram................................................................................................................................ 582
5.21.4 Basic Configuration ........................................................................................................................ 582
5.21.5 Functional Description.................................................................................................................... 583
5.21.6 DMA Descriptors Data Structure.................................................................................................... 586
5.21.7 Register Map.................................................................................................................................. 599
5.21.8 Register Description....................................................................................................................... 603
USB 2.0 Device Controller (USBD) ..................................................................................656
5.22
5.22.1 Overview......................................................................................................................................... 656
5.22.2 Features ......................................................................................................................................... 656
5.22.3 Block Diagram................................................................................................................................ 657
5.22.4 Basic Configuration ........................................................................................................................ 657
5.22.5 Functional Description.................................................................................................................... 657
5.22.6 Registers Map ................................................................................................................................ 660
5.22.7 Register Description....................................................................................................................... 665
USB Host Controller (USBH)............................................................................................7175.23
5.23.1 Overview......................................................................................................................................... 717
5.23.2 Features ......................................................................................................................................... 717
5.23.3 Block Diagram................................................................................................................................ 718
5.23.4 Basic Configuration ........................................................................................................................ 718
5.23.5 Functional Description.................................................................................................................... 718
5.23.6 Register Map.................................................................................................................................. 721
5.23.7 Register Description....................................................................................................................... 723
Controller Area Network (CAN)........................................................................................7715.24
5.24.1 Overview......................................................................................................................................... 771
5.24.2 Features ......................................................................................................................................... 771
5.24.3 Block Diagram................................................................................................................................ 772
5.24.4 Basic Configuration ........................................................................................................................ 773
5.24.5 Functional Description.................................................................................................................... 773
5.24.6 Test Mode....................................................................................................................................... 774
5.24.7 CAN Communications.................................................................................................................... 777
5.24.8 Register Map.................................................................................................................................. 795
5.24.9 Register Description....................................................................................................................... 801
Flash Memory Interface (FMI)..........................................................................................8365.25
5.25.1 Overview......................................................................................................................................... 836
5.25.2 Features ......................................................................................................................................... 836

NUC970 Technical Reference Manual
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NUC970 TECHNICAL REFERENCE MANUAL
5.25.3 Block Diagram................................................................................................................................ 837
5.25.4 Basic Configuration ........................................................................................................................ 837
5.25.5 Functional Description.................................................................................................................... 838
5.25.6 Register Map.................................................................................................................................. 843
5.25.7 Register Description....................................................................................................................... 846
Secure Digital Host Controller (SDH)...............................................................................9075.26
5.26.1 Overview......................................................................................................................................... 907
5.26.2 Features ......................................................................................................................................... 907
5.26.3 Block Diagram................................................................................................................................ 907
5.26.4 Basic Configuration ........................................................................................................................ 908
5.26.5Functional Description.................................................................................................................... 908
5.26.6 Registers Map ................................................................................................................................ 910
5.26.7 Register Description....................................................................................................................... 910
Cryptographic Accelerator (CRYPTO)..............................................................................9335.27
5.27.1 Overview......................................................................................................................................... 933
5.27.2 Features ......................................................................................................................................... 933
5.27.3 Block Diagram................................................................................................................................ 934
5.27.4 Basic Configuration ........................................................................................................................ 934
5.27.5 Functional description .................................................................................................................... 935
5.27.6 Register Map.................................................................................................................................. 947
5.27.7 Register Description....................................................................................................................... 953
2D Graphic Engine (GE2D)............................................................................................10025.28
5.28.1 Overview....................................................................................................................................... 1002
5.28.2 Features ....................................................................................................................................... 1002
5.28.3 Block Diagram.............................................................................................................................. 1003
5.28.4 Basic Configuration ...................................................................................................................... 1003
5.28.5 Functional Description.................................................................................................................. 1003
5.28.6 Register Map................................................................................................................................ 1008
5.28.7 Register Description..................................................................................................................... 1010
JPEG Codec (JPEG)......................................................................................................10395.29
5.29.1 Overview....................................................................................................................................... 1039
5.29.2 Features ....................................................................................................................................... 1039
5.29.3 Block Diagram.............................................................................................................................. 1040
5.29.4 Basic Configuration ...................................................................................................................... 1041
5.29.5 Functional Description.................................................................................................................. 1042
5.29.6 Register Map................................................................................................................................ 1047

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5.29.7 Register Description..................................................................................................................... 1051
LCD Display Interface Controller (LCM) .........................................................................11055.30
5.30.1 Overview....................................................................................................................................... 1105
5.30.2 Features ....................................................................................................................................... 1105
5.30.3 Block Diagram.............................................................................................................................. 1106
5.30.4 Basic Configuration ...................................................................................................................... 1106
5.30.5 Functional Description.................................................................................................................. 1107
5.30.6 Register Map................................................................................................................................ 1110
5.30.7 Register Description..................................................................................................................... 1112
Capture Sensor Interface Controller (CAP) ....................................................................11615.31
5.31.1 Overview....................................................................................................................................... 1161
5.31.2 Feature......................................................................................................................................... 1161
5.31.3 Block Diagram.............................................................................................................................. 1162
5.31.4 Basic Configuration ...................................................................................................................... 1162
5.31.5 Functional Description.................................................................................................................. 1163
5.31.6 Register Map................................................................................................................................ 1166
5.31.7 Register Description..................................................................................................................... 1167
Analog to Digital Converter (ADC)..................................................................................11985.32
5.32.1 Overview....................................................................................................................................... 1198
5.32.2 Features ....................................................................................................................................... 1198
5.32.3 Block Diagram.............................................................................................................................. 1199
5.32.4 Basic Configuration ...................................................................................................................... 1200
5.32.5 Functional Description.................................................................................................................. 1200
5.32.6 Register Map................................................................................................................................ 1206
5.32.7 Register Description..................................................................................................................... 1207
Keypad Interface (KPI)...................................................................................................12315.33
5.33.1 Overview....................................................................................................................................... 1231
5.33.2 Features ....................................................................................................................................... 1231
5.33.3 Block Diagram.............................................................................................................................. 1232
5.33.4 Basic Configuration ...................................................................................................................... 1233
5.33.5 Functional Description.................................................................................................................. 1233
5.33.6 Register Map................................................................................................................................ 1235
5.33.7 Register Description..................................................................................................................... 1236
6 PACKAGE DIMENSIONS........................................................................................1248
LQFP 216L (24x24x1.4mm footprint 2.0mm) .................................................................12486.1 LQFP 128L (14x14x1.4mm footprint 2.0mm) .................................................................12496.2