Nuvoton NK-NUC98R User manual

NK-NUC98R
MAR. 12, 2019 Page 1of 57 Rev 1.0
NK-NUC98R USER MANUAL
ARM®ARM926EL-S Based
32-bit Microprocessor
NK-NUC98R
User Manual
NUC98RDF61YC
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

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Table of Contents
1Overview ...........................................................................................4
2Introduction to NK-NUC98R Board.............................................................5
2.1 NUC98RDF61YC MPU Features .................................................................. 5
2.2 NK-NUC98R Board Features....................................................................... 6
2.3 NK-NUC98R Board －Front View ................................................................. 7
2.4 NK-NUC98R Board －Rear View.................................................................24
2.5 NK-NUC98R Ethernet Daughter Board －Front View .........................................25
2.6 NK-NUC98R Ethernet Daughter Board －Rear View..........................................26
2.7 NK-NUC98R PCB Placement......................................................................27
3Quick Starting to Use NK-NUC98R .......................................................... 30
4NK-NUC98R Schematics...................................................................... 39
4.1 NK-NUC98R －System Block Schematic .......................................................39
4.2 NK-NUC98R －Power Schematic ................................................................40
4.3 NK-NUC98R －NUC98RDF Schematic .........................................................41
4.4 NK-NUC98R －Power Filter, Reset Schematic.................................................42
4.5 NK-NUC98R －Setting, ICE, Debug Schematic................................................43
4.6 NK-NUC98R －GPIO Schematic.................................................................44
4.7 NK-NUC98R －CAN Schematic ..................................................................45
4.8 NK-NUC98R －CMOS Sensor Schematic ......................................................46
4.9 NK-NUC98R －EBI Schematic ...................................................................47
4.10 NK-NUC98R －I2S, I2C_0 Schematic...........................................................48
4.11 NK-NUC98R －NAND Schematic ................................................................49
4.12 NK-NUC98R －RS_232 Schematic..............................................................50
4.13 NK-NUC98R －RMII Schematic ..................................................................51
4.14 NK-NUC98R －SD/eMMC Schematic ...........................................................52
4.15 NK-NUC98R －SIM Card Schematic ............................................................53

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4.16 NK-NUC98R －SPI Schematic ...................................................................54
4.17 NK-NUC98R －USB Schematic ..................................................................55
4.18 NK-NUC98R －Ethernet Daughter Board Schematic .........................................56
5Revision History................................................................................. 57

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1 OVERVIEW
The user’s guide describes the operation and use of the NK-NUC98R development board.
Figure 1-1 NK-NUC98R Board

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2 INTRODUCTION TO NK-NUC98R BOARD
The NK-NUC98R is a development board based on an ARM® ARM926EJ-S microprocessor
NUC98RDF61YC which has very rich peripherals to help users easily to design-in their products
or application systems.
The NK-NUC98R board uses NUC98RDF61YC microprocessor run up to 300 MHz with built-in
64MB DDR2 memory, 16 KB I-cache, 16 KB D-cache and MMU, 16 KB embedded SRAM and
16.5 KB IBR (Internal Boot ROM) for system booting from USB, NAND flash, SD/eMMC and SPI
Flash, All functions of the NUC98RDF61YC are placed on the board, including peripheral
interfaces such as memory (NAND, SPI, eMMC, SD), UART, IIS, Ethernet, USB (device, HOST),
CMOS sensor, SIM card, CAN, JTAG and EBI, Users can use it to develop and verify applications
to emulate the real behavior.
2.1 NUC98RDF61YC MPU Features
NUC98RDF61YC: LQFP216 pin MCP package with DDR2 (64 MB), which can run up to
300MHz operating speed
Can choose system booting mode from USB, NAND Flash, SD, eMMC and SPI Flash
NAND Flash ECC 24bits
External Bus Interface (EBI)
SD/SDIO x2
Ethernet 10/100 MAC x2
USB2.0 HS HOST x2
USB2.0 HS Device x1
USB1.1 FS HOST x6
Real Time Clock (RTC)
Timer (32-bit) x6
Watchdog Timer
PWM x8
12bit ADC x8
UART x10
CAN BUS x4
IIC x4
SPI x3
ISO-7816-3(SIM card) x2
CMOS interface x2
GPIO x104
IIS
Operating Temp. Range -40~85

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2.2 NK-NUC98R Board Features
SOC CPU: NUC98RDF61YC
Provides 2 sets of SPI Flash
SPI Flash (QSPI0): quad mode system booting or data storage, use W25Q128 (16
MB)
SPI Flash (SPI0): dual mode for data storage, use W25X80 (1 MB)
NAND Flash: System booting or data storage, use W29N01HVS1NA (128 MB)
Provides 2 sets of STD SD slot
SD0/eMMC0: Use SD/eMMC memory card for system booting, data storage or SDIO
(Wi-Fi) device
SD1/eMMC1: Use SD/eMMC memory card for system booting, data storage or SDIO
(Wi-Fi) device
Provides 4 sets of COM ports
UART0: DB9 port with RS232 transceiver for system development, debug message
output
UART2/UART3/UART8: DB9 port with RS232 transceiver
JTAG interface provided for software development (JTAG0/JTAG1)
2 sets of terminal with CAN transceiver (CAN1/CAN2)
2 sets of pin headers with CMOS sensor (CMOS sensor0/CMOS sensor1)
1 set of RJ45 port with Ethernet 10/100 MAC (Ethernet0), 1 set of pin header with Ethernet
10/100 MAC (Ethernet1)
EBI interface with pin header
Mini SIM card (SIM1)
Microphone input and Earphone/Speaker output with 24-bit stereo audio codec
(NAU8822L) for I2S interfaces
USB port-0 that can be used as Device/HOST and USB port-1 that can be used as HOST
supports pen drives, keyboards, mouse and printers
All GPIO use pin headers
Provides over-voltage and over current protection
3.3V I/O power, 3.3V RTC power, 1.8V Memory power and 1.2V core power

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2.3 NK-NUC98R Board －Front View
Figure 2-1 shows the main components and connectors from the front view of NK-NUC98R
board
+5V in (CON1): Power adaptor 5V input
SOC CPU: nuvoTon NUC98RDF61YC (U5)
Power supply switch (SW_POWER1): System will be power on if the SW_POWER1 button
is pressed
GPIO interface (CON5~CON13)
GPA0~15 (CON5)
Connector GPIO pin of NUC98R
CON5.1 Power 3.3V
CON5.2 Power 3.3V
CON5.3 GPA0
CON5.4 GPA1
CON5.5 GPA2
CON5.6 GPA3
CON5.7 GPA4
CON5.8 GPA5
CON5.9 GPA6
CON5.10 GPA7
CON5.11 GPA8
CON5.12 GPA9
CON5.13 GPA10
CON5.14 GPA11
CON5.15 GPA12
CON5.16 GPA13
CON5.17 GPA14
CON5.18 GPA15
CON5.19 VSS
CON5.20 VSS

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GPB0~8 (CON8)
Connector GPIO pin of NUC98R
CON8.1 Power 3.3V
CON8.2 Power 3.3V
CON8.3 GPB0
CON8.4 GPB1
CON8.5 GPB2
CON8.6 GPB3
CON8.7 GPB4
CON8.8 GPB5
CON8.9 GPA6
CON8.10 GPB7
CON8.11 GPB8
CON8.12 -
CON8.13 VSS
CON8.14 VSS
GPB9~13 (CON9)
Connector GPIO pin of NUC98R
CON9.1 Power 3.3V
CON9.2 Power 3.3V
CON9.3 GPB9
CON9.4 GPB10
CON9.5 GPB11
CON9.6 GPB12
CON9.7 GPB13
CON9.8 -
CON9.9 VSS
CON9.10 VSS

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GPC0~15 (CON11)
Connector GPIO pin of NUC98R
CON11.1 Power 3.3V
CON11.2 Power 3.3V
CON11.3 GPC0
CON11.4 GPC1
CON11.5 GPC2
CON11.6 GPC3
CON11.7 GPC4
CON11.8 GPC5
CON11.9 GPC6
CON11.10 GPC7
CON11.11 GPC8
CON11.12 GPC9
CON11.13 GPC10
CON11.14 GPC11
CON11.15 GPC12
CON11.16 GPC13
CON11.17 GPC14
CON11.18 GPC15
CON11.19 VSS
CON11.20 VSS
GPD0~15 (CON13)
Connector GPIO pin of NUC98R
CON13.1 Power 3.3V
CON13.2 Power 3.3V
CON13.3 GPD0
CON13.4 GPD1
CON13.5 GPD2
CON13.6 GPD3
CON13.7 GPD4

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CON13.8 GPD5
CON13.9 GPD6
CON13.10 GPD7
CON13.11 GPD8
CON13.12 GPD9
CON13.13 GPD10
CON13.14 GPD11
CON13.15 GPD12
CON13.16 GPD13
CON13.17 GPD14
CON13.18 GPD15
CON13.19 VSS
CON13.20 VSS
GPE0~12 (CON6)
Connector GPIO pin of NUC98R
CON6.1 Power 3.3V
CON6.2 Power 3.3V
CON6.3 GPE0
CON6.4 GPE1
CON6.5 GPE2
CON6.6 GPE3
CON6.7 GPE4
CON6.8 GPE5
CON6.9 GPE6
CON6.10 GPE7
CON6.11 GPE8
CON6.12 GPE9
CON6.13 GPE10
CON6.14 GPE11
CON6.15 GPE12
CON6.16 -

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CON6.17 VSS
CON6.18 VSS
GPF0~12 (CON7)
Connector GPIO pin of NUC98R
CON7.1 Power 3.3V
CON7.2 Power 3.3V
CON7.3 GPF0
CON7.4 GPF1
CON7.5 GPF2
CON7.6 GPF3
CON7.7 GPF4
CON7.8 GPF5
CON7.9 GPF6
CON7.10 GPF7
CON7.11 GPF8
CON7.12 GPF9
CON7.13 GPF10
CON7.14 GPF11
CON7.15 GPF12
CON7.16 -
CON7.17 VSS
CON7.18 VSS
GPG0~10 (CON10)
Connector GPIO pin of NUC98R
CON10.1 Power 3.3V
CON10.2 Power 3.3V
CON10.3 GPG0
CON10.4 GPG1
CON10.5 GPG2
CON10.6 GPG3

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CON10.7 GPG4
CON10.8 GPG5
CON10.9 GPG6
CON10.10 GPG7
CON10.11 GPG8
CON10.12 GPG9
CON10.13 GPG10
CON10.14 -
CON10.15 VSS
CON10.16 VSS
GPG11~15 (CON12)
Connector GPIO pin of NUC98R
CON12.1 Power 3.3V
CON12.2 Power 3.3V
CON12.3 GPG11
CON12.4 GPG12
CON12.5 GPG13
CON12.6 GPG14
CON12.7 GPG15
CON12.8 -
CON12.9 VSS
CON12.10 VSS
EBI interface (CON18)
Connector GPIO pin of NUC98R Function Note
CON18.1 - Power 3.3V
CON18.2 - Power 3.3V
CON18.3 GPC0 EBI_D0
CON18.4 GPD12 EBI_D1 S15 need open
CON18.5 GPD13 EBI_D2 S16 need open
CON18.6 GPD14 EBI_D3 S13 need open

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CON18.7 GPD15 EBI_D4 S14 need open
CON18.8 GPF0 EBI_D5 CON26/CON29/CON30
cannot be used
CON18.9 GPF1 EBI_D6 CON26/CON29/CON30
cannot be used
CON18.10 GPF2 EBI_D7 CON26/CON29/CON30
cannot be used
CON18.11 GPF3 EBI_D8 CON26/CON29/CON30
cannot be used
CON18.12 GPF4 EBI_D9 CON26/CON29/CON30
cannot be used
CON18.13 GPF5 EBI_D10 CON26/CON29 cannot
be used
CON18.14 GPF6 EBI_D11 CON26/CON29 cannot
be used
CON18.15 GPF7 EBI_D12 CON26 cannot be used
CON18.16 GPF8 EBI_D13 CON26 cannot be used
CON18.17 GPF9 EBI_D14 CON26 cannot be used
CON18.18 GPF10 EBI_D15 CON17 cannot be used
CON18.19 - VSS
CON18.20 - VSS
CON18.21 GPA1 EBI_NCS2 1.S19 need open
2.S18(1-2) need short
CON18.22 GPA1 EBI_MCLK 1.S19 need open
2.S18(2-3) need short
CON18.23 GPA6 EBI_NCS1 S11(2-
3) and S21 needs
open
CON18.24 GPA7 EBI_NWE S27 need open
CON18.25 GPA8 EBI_NRE S28 need open
CON18.26 GPA9 EBI_NCS0 S29 need open
CON18.27 - VSS
CON18.28 - VSS
CON18.29 GPG0 EBI_A0
CON18.30 GPG1 EBI_A1
CON18.31 GPG2 EBI_A2

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CON18.32 GPG3 EBI_A3
CON18.33 GPG6 EBI_A4
CON18.34 GPG7 EBI_A5
CON18.35 GPG8 EBI_A6 S36 need open
CON18.36 GPG9 EBI_A7 S35 need open
CON18.37 GPA12 EBI_A8 S38 need open
CON18.38 GPA11 EBI_A9 S37 need open
CON18.39 GPA10 EBI_A10 S30 need open
CON18.40 GPB8 EBI_A11
CON18.41 GPB0 EBI_A12
CON18.42 GPA13 EBI_A13
CON18.43 GPA14 EBI_A14
CON18.44 GPB7 EBI_A15 CON16 cannot be used
CON18.45 GPB5 EBI_A16 CON16 cannot be used
CON18.46 GPB1 EBI_A17
CON18.47 GPB3 EBI_A18
CON18.48 GPA15 EBI_A19
CON18.49 - VSS
CON18.50 - VSS
CON18.51 - Power 5V
CON18.52 - Power 5V
Power on setting (SW2)
SW Status Function GPIO pin of NUC98R
SW2.2/SW2.1 ON/ON Boot from USB GPG1/GPG0
SW2.2/SW2.1 ON/OFF Boot from SD/eMMC GPG1/GPG0
SW2.2/SW2.1 OFF/ON Boot from NAND Flash GPG1/GPG0
SW2.2/SW2.1 OFF/OFF Boot from QSPI0 Flash GPG1/GPG0
SW Status Function GPIO pin of NUC98R
SW2.3 ON QSPI0_CLK is 30MHz GPG2
SW2.3 OFF QSPI0_CLK is 50MHz GPG2

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SW Status Function GPIO pin of NUC98R
SW2.4 ON Watchdog Timer OFF GPG3
SW2.4 OFF Watchdog Timer ON GPG3
SW Status Function GPIO pin of NUC98R
SW2.5 ON GPA[6:2] used as
JTAG1 ICE interface GPG4
SW2.5 OFF GPG[15:11] used as
JTAG0 ICE interface GPG4
SW Status Function GPIO pin of NUC98R
SW2.6 ON UART0 debug
message ON GPG5
SW2.6 OFF UART0 debug
message OFF GPG5
SW Status Function GPIO pin of NUC98R
SW2.8/SW2.7 ON/ON
NAND Flash page size
2KB GPG7/GPG6
SW2.8/SW2.7 ON/OFF
NAND Flash page size
4KB GPG7/GPG6
SW2.8/SW2.7 OFF/ON
NAND Flash page size
8KB GPG7/GPG6
SW2.8/SW2.7 OFF/OFF Ignore GPG7/GPG6
If SW2.2/SW2.1 status is ON/OFF
SW Status Function GPIO pin of NUC98R
SW2.10/SW2.9 OFF/OFF
SD0/
eMMC0 boot from
GPC group GPG9/GPG8
SW2.10/SW2.9 Others SD1/
eMMC1 boot from
GPF group GPG9/GPG8

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If SW2.2/SW2.1 status is OFF/ON
SW Status Function GPIO pin of NUC98R
SW2.10/SW2.9 ON/ON
NAND Flash ECC type
BCH T8 GPG9/GPG8
SW2.10/SW2.9 ON/OFF
NAND Flash ECC type
BCH T12 GPG9/GPG8
SW2.10/SW2.9 OFF/ON
NAND Flash ECC type
BCH T24 GPG9/GPG8
SW2.10/SW2.9 OFF/OFF Ignore GPG9/GPG8
If SW2.2/SW2.1 status is OFF/OFF
SW Status Function GPIO pin of NUC98R
SW2.10/SW2.9 ON/ON SPI-NAND Flash boot
with 1-bit mode GPG9/GPG8
SW2.10/SW2.9 ON/OFF SPI-NAND Flash boot
with 4-bit mode GPG9/GPG8
SW2.10/SW2.9 OFF/ON SPI-NOR Flash boot
with 4-bit mode GPG9/GPG8
SW2.10/SW2.9 OFF/OFF SPI-NOR Flash boot
with 1-bit mode GPG9/GPG8
When using the SW2.10/SW2.9 function, need to open the S35/S36
UART2 (CON23, S27~30):
Function GPIO pin of NUC98R
UART2_TXD GPA10
UART2_RXD GPA9
UART2_RTS GPA8
UART2_CTS GPA7
S27~30: need short for RS232 function and connected to DB9 female (CON23)
UART8 (CON25, S35~38):
Function GPIO pin of NUC98R
UART8_TXD GPA12
UART8_RXD GPA11
UART8_RTS GPG8
UART8_CTS GPG9
S35~38: need short for RS232 function and connected to DB9 female (CON25)
NAND Flash (128 MB) with Winbond W29N01HVS1NA (U10)

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SW3/SW4 status is ON
CON16/CON28 cannot be used
S26(2-3) need short
CMOS sensor0 interface (CON16)
Connector GPIO pin of NUC98R Function
CON16.1 - VSS
CON16.2 - VSS
CON16.3 - Power 3.3V
CON16.4 - Power 3.3V
CON16.5 - -
CON16.6 - -
CON16.7 GPC4 VCAP0_PCLK
CON16.8 GPC3 VCAP0_CLKO
CON16.9 GPC8 VCAP0_DATA0
CON16.10 GPC9 VCAP0_DATA1
CON16.11 GPC10 VCAP0_DATA2
CON16.12 GPC11 VCAP0_DATA3
CON16.13 GPC12 VCAP0_DATA4
CON16.14 GPC13 VCAP0_DATA5
CON16.15 GPC14 VCAP0_DATA6
CON16.16 GPC15 VCAP0_DATA7
CON16.17 GPC6 VCAP0_VSYNC
CON16.18 GPC5 VCAP0_HSYNC
CON16.19 GPB1 VCAP0_PWDN
CON16.20 GPC7 VCAP0_NRST
CON16.21 GPB5 VCAP0_I2C_SCL
CON16.22 GPB7 VCAP0_I2C_SDA
CON16.23 - VSS
CON16.24 - VSS
SW3/SW4 status is OFF
CON28 cannot be used
Standard SD connector for SD0/eMMC0 (CON28)
SW3/SW4 status is OFF
CON16 cannot be used
SPI0_ Flash (1 MB) with Winbond W25X80 (U19), only one (U18 or U19) SPI Flash can

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be used, support dual mode
UART3 (CON24, S31~34):
Function GPIO pin of NUC98R
UART3_TXD GPB9
UART3_RXD GPB10
UART3_RTS GPB11
UART3_CTS GPB12
S31~34: need short for RS232 function and connected to DB9 female (CON24)
ICE I/F interface (CON4, S7~11)
State GPIO pin of NUC98R Function
S7: 1/2 short GPG11 JTAG0_TDO
S7: 2/3 short GPA2 JTAG1_TDO
S8: 1/2 short GPG14 JTAG0_TDI
S8: 2/3 short GPA5 JTAG1_TDI
S9: 1/2 short GPG12 JTAG0_TCK
S9: 2/3 short GPA3 JTAG1_TCK
S10: 1/2 short GPG13 JTAG0_TMS
S10: 2/3 short GPA4 JTAG1_TMS
S11: 1/2 short GPG15 JTAG0_TRST
S11: 2/3 short GPA6 JTAG1_TRST
Connector GPIO pin of NUC98R Function
CON4.1 - Power 3.3V
CON4.2 - Power 3.3V
CON4.3 GPG15/GPA6 JTAG0/1_TRST
CON4.4 - VSS
CON4.5 GPG14/GPA5 JTAG0/1_TDI
CON4.6 - VSS
CON4.7 GPG13/GPA4 JTAG0/1_TMS
CON4.8 - VSS
CON4.9 GPG12/GPA3 JTAG0/1_TCK

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CON4.10 - VSS
CON4.11 - VSS
CON4.12 - VSS
CON4.13 GPG11/GPA2 JTAG0/1_TDO
CON4.14 - VSS
CON4.15 nRESET System Reset
CON4.16 - VSS
CON4.17 - -
CON4.18 - VSS
CON4.19 - -
CON4.20 - VSS
QSPI0_ Flash (16 MB) with Winbond W25Q128 (U16), only one (U16 or U17) SPI Flash
can be used, support dual / quad mode
S39(2-3) need short
CAN_2 (CON15, S15~16):
Function GPIO pin of NUC98R
S15: CAN2_RX GPD12
S16: CAN2_TX GPD13
S15~16: need short for CAN bus function and connected to 2P terminal (CON15)
CAN_1 (CON14, S13~14):
Function GPIO pin of NUC98R
S13: CAN1_RX GPD14
S14: CAN1_TX GPD15
S13~14: need short for CAN bus function and connected to 2P terminal (CON14)
Standard SD connector for SD1/eMMC1 (CON29, SW6, S51)
CON26/CON30 cannot be used
SW6 status is ON, SW7 status is OFF
S51(2-3) short
System Reset (SW1): system will be reset if the SW1 button is pressed
Ethernet1_PF interface (CON26, SW5, SW7, S51):
Connector GPIO pin of NUC98R Function
CON26.1 - Power 3.3V
CON26.2 - Power 3.3V
CON26.3 - -

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CON26.4 - -
CON26.5 GPF9 RMII1_MDC
CON26.6 GPF8 RMII1_MDIO
CON26.7 GPF7 RMII1_TXD0
CON26.8 GPF6 RMII1_TXD1
CON26.9 GPF5 RMII1_TXEN
CON26.10 GPF4 RMII1_REFCLK
CON26.11 GPF3 RMII1_RXD0
CON26.12 GPF2 RMII1_RXD1
CON26.13 GPF1 RMII1_CRSDV
CON26.14 GPF0 RMII1_RXERR
CON26.15 - -
CON26.16 nRESET System Reset
CON26.17 - -
CON26.18 - -
CON26.19 - VSS
CON26.20 - VSS
CON29/CON30 cannot be used
SW6/SW7 status is OFF.
S51(1-2) need short
Mini SIM card slot for SIM1 (CON30, SW7, S51)
CON26/CON29 cannot be used
SW7 status is ON, SW6 status is OFF
S51(2-3) need short
CMOS sensor1 interface (CON17, SW5):
Connector GPIO pin of NUC98R Function
CON17.1 - VSS
CON17.2 - VSS
CON17.3 - Power 3.3V
CON17.4 - Power 3.3V
CON17.5 - -
CON17.6 - -
CON17.7 GPF10 VCAP1_PCLK
CON17.8 GPE12 VCAP1_CLKO