Nuvoton NuMicro NuMaker-HMI-MA35D1-S1 User manual

NuMaker-HMI-MA35D1-S1
Nov. 2, 2022 Page 1of 99 Rev 1.01
NUMAKER-HMI-MA35D1-S1 USER MANUAL
Maker Nu-mbed NUC472 User Manual
NuMicro®Family
Arm®Cortex-A35-based Microprocessor
NuMaker-HMI-MA35D1-S1
User Manual
Evaluation Board for NuMicro®MA35D1 Series
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 and
microprocessor 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......................................................................................................9
1.1 NuMaker-SOM-MA35D16A81 Board ....................................................................... 11
1.2 NuMaker-BASE-MA35D1B1 Board.......................................................................... 12
1.3 7’’ TFT LCD Daughter Board ..................................................................................... 13
1.4 Board Part Number and Information ........................................................................ 14
2FEATURES....................................................................................................15
2.1 NuMaker-SOM-MA35D16A81 Features .................................................................. 15
2.2 NuMaker-BASE-MA35D1B1 Features..................................................................... 15
2.3 7’’ TFT LCD Daughter Board Features .................................................................... 16
3HARDWARE CONFIGURATION...................................................................17
3.1 NuMaker-SOM-MA35D16A81 Board ....................................................................... 17
3.1.1 Front View........................................................................................................................17
3.1.2 Rear View ........................................................................................................................17
3.1.3 Power Input .....................................................................................................................17
3.1.4 RTC Wake-up Control....................................................................................................18
3.1.5 PMIC.................................................................................................................................18
3.1.6 eMMC NAND Flash........................................................................................................19
3.1.7 RGMII Gigabit PHY ........................................................................................................20
3.1.8 High Speed Connectors ................................................................................................21
3.2 NuMaker-BASE-MA35D1B1 Board.......................................................................... 26
3.2.1 Front View........................................................................................................................26
3.2.2 Rear View ........................................................................................................................26
3.2.3 Power and Ground .........................................................................................................27
3.2.4 High Speed Connectors ................................................................................................27
3.2.5 QSPI Flash ......................................................................................................................31
3.2.6 NAND Flash ....................................................................................................................32
3.2.7 SD Card Slot ...................................................................................................................33
3.2.8 HS USB2.0 Connectors.................................................................................................33
3.2.9 Power-on Setting ............................................................................................................33
3.2.10Gigabit Ethernet Transformers and RJ45 Ports.........................................................36
3.2.11 CMOS Sensor Capture Connectors ............................................................................36
3.2.12External Bus Interface (EBI) Connector......................................................................38
3.2.13EADC Connector ............................................................................................................40
3.2.14UART................................................................................................................................41
3.2.15RS485 ..............................................................................................................................42
3.2.16CAN FD............................................................................................................................42
3.2.17SWJ, SWD and ETM .....................................................................................................43
3.2.18USB Virtual COM (VCOM) Port....................................................................................45

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3.2.19Reset and RTC Wake-up Key Buttons........................................................................45
3.2.20TFT LCD Connector.......................................................................................................45
3.2.21Audio Codec....................................................................................................................48
3.2.22SIM Card Slot..................................................................................................................49
3.2.23Key Buttons, LEDs and Buzzer ....................................................................................49
3.2.24MEMS Digital Microphone.............................................................................................50
3.2.25MEMS G-Sensor ............................................................................................................50
3.3 7’’ TFT LCD Daughter Board ..................................................................................... 51
3.3.1 Front View........................................................................................................................51
3.3.2 Rear View ........................................................................................................................51
3.3.3 Connectors ......................................................................................................................52
4QUICK START...............................................................................................53
4.1 Hardware Setup and Power On ................................................................................ 53
4.1.1 Insert SD Card ................................................................................................................53
4.1.2 Configure Power-on Setting..........................................................................................53
4.1.3 Power On the NuMaker-BASE-MA35D1B1 Board....................................................54
4.1.4 VCOM Port (Optional)....................................................................................................55
4.2 Embedder Demos ....................................................................................................... 56
4.2.1 H.264 Video Playback ...................................................................................................56
4.2.2 ML People Counting.......................................................................................................56
4.2.3 2D Accelerator ................................................................................................................57
4.2.4 VoIP Demonstration .......................................................................................................57
4.2.5 Data Security...................................................................................................................58
4.2.6 Keyword Spotting by RTP M4.......................................................................................58
5SUPPORTING RESOURCES........................................................................60
5.1 Documents ................................................................................................................... 60
5.2 Software........................................................................................................................ 60
6HARDWARE SCHEMATICS..........................................................................62
6.1 NuMaker-SOM-MA35D16A81 Schematics ............................................................. 62
6.1.1 System Block ..................................................................................................................62
6.1.2 PMIC, Crystal and Power Filter Schematic ................................................................63
6.1.3 Power Group 0, 2, 4 and 5 Schematic ........................................................................64
6.1.4 Power Group 1 Schematic ............................................................................................65
6.1.5 Power Group 3 (eMMC1_PJ) Schematic....................................................................66
6.1.6 Power Group 6, 7, ADC and USB Schematic ............................................................67
6.1.7 Power Group 8 (RGMII0_PE) Schematic ...................................................................68
6.1.8 Power Group 9 (RGMII1_PF) Schematic ...................................................................69
6.1.9 DDR PHY Schematic .....................................................................................................70
6.1.10PCB Placement ..............................................................................................................71
6.2 NuMaker-BASE-MA35D1B1 Schematics................................................................ 73

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6.2.1 Power Schematic............................................................................................................73
6.2.2 SOM Connectors Schematic ........................................................................................74
6.2.3 Power-on Setting and NAND Flash Schematic .........................................................75
6.2.4 SD0 Schematic ...............................................................................................................76
6.2.5 QSPI0 Schematic ...........................................................................................................77
6.2.6 EADC0 Schematic..........................................................................................................78
6.2.7 RGMII0_PE Schematic..................................................................................................79
6.2.8 RGMII1_PF Schematic..................................................................................................80
6.2.9 HSUSB 0/1 Schematic...................................................................................................81
6.2.10CCAP 0/1 Connector Schematic..................................................................................82
6.2.11 LCM Connector Schematic ...........................................................................................83
6.2.12EBI Connector Schematic .............................................................................................84
6.2.13NAU88C22 Audio Codec Schematic ...........................................................................85
6.2.14SIM Card Schematic ......................................................................................................86
6.2.15RS232 Schematic...........................................................................................................87
6.2.16RS485 Schematic...........................................................................................................88
6.2.17CAN FD Schematic ........................................................................................................89
6.2.18Key Buttons, LEDs and Buzzer Schematic ................................................................90
6.2.19SWJ, SWD and ETM Connectors Schematic ............................................................91
6.2.20NUC123 VCOM Schematic...........................................................................................92
6.2.21MEMS Digital Microphone Schematic .........................................................................93
6.2.22MEMS G-Sensor Schematic.........................................................................................94
6.2.23PCB Placement ..............................................................................................................95
6.3 7’’ TFT LCD Daughter Board Schematic ................................................................. 97
7REVISION HISTORY .....................................................................................98

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List of Figures
Figure 1-1 NuMaker-HMI-MA35D1-S1 Board from SOM Side...................................................... 10
Figure 1-2 NuMaker-HMI-MA35D1-S1 Board from TFT LCD Side ............................................... 10
Figure 1-3 NuMaker-SOM-MA35D16A81 Board ........................................................................... 11
Figure 1-4 NuMaker-BASE-MA35D1B1 Board.............................................................................. 12
Figure 1-5 7’’ TFT LCD Daughter Board ........................................................................................ 13
Figure 3-1 Front View of NuMaker-SOM-MA35D16A81................................................................ 17
Figure 3-2 Rear View of NuMaker-SOM-MA35D16A81 ................................................................ 17
Figure 3-3 Front View of NuMaker-BASE-MA35D1B1 .................................................................. 26
Figure 3-4 Rear View of NuMaker-BASE-MA35D1B1................................................................... 27
Figure 3-5 Front View of 7’’ TFT LCD Daughter Board.................................................................. 51
Figure 3-6 Rear View of 7’’ TFT LCD Daughter Board .................................................................. 52
Figure 4-1 SD0 Standard-SD Card Slot (CON4) ........................................................................... 53
Figure 4-2 Power-on Setting DIP Switch (SW4)............................................................................ 53
Figure 4-3 Power Jack (CON1) and Slide Switch (SW1)............................................................... 54
Figure 4-4 USB VCOM Port (CON21) ........................................................................................... 55
Figure 4-5 Main Screen of Demonstration..................................................................................... 56
Figure 4-6 H.264 Video Playback Demonstration.......................................................................... 56
Figure 4-7 ML People Counting Demonstration............................................................................. 57
Figure 4-8 2D Accelerator Demonstration ..................................................................................... 57
Figure 4-9 VoIP Demonstration...................................................................................................... 58
Figure 4-10 Data Security Demonstration...................................................................................... 58
Figure 4-11 Keyword Spotting by RTP M4 Demonstration............................................................ 59
Figure 5-1 Nuvoton Website .......................................................................................................... 60
Figure 5-2 MA35D1 GitHub Resources ......................................................................................... 61
Figure 6-1 System Block................................................................................................................ 62
Figure 6-2 PMIC, Crystal and Power Filter Schematic .................................................................. 63
Figure 6-3 Power Group 0, 2, 4 and 5 Schematic.......................................................................... 64
Figure 6-4 Power Group 1 Schematic............................................................................................ 65
Figure 6-5 Power Group 3 (eMMC1_PJ) Schematic ..................................................................... 66
Figure 6-6 Power Group 6, 7, ADC and USB Schematic .............................................................. 67
Figure 6-7 Power Group 8 (RGMII0_PE) Schematic..................................................................... 68
Figure 6-8 Power Group 9 (RGMII1_PF) Schematic..................................................................... 69
Figure 6-9 DDR PHY Schematic.................................................................................................... 70
Figure 6-10 Front PCB Placement of NuMaker-SOM-MA35D16A81 Board ................................. 71
Figure 6-11 Rear PCB Placement of NuMaker-SOM-MA35D16A81 Board.................................. 72
Figure 6-12 Power Schematic........................................................................................................ 73

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Figure 6-13 SOM Connectors Schematic ...................................................................................... 74
Figure 6-14 Power-on Setting and NAND Flash Schematic.......................................................... 75
Figure 6-15 SD0 Schematic........................................................................................................... 76
Figure 6-16 QSPI0 Schematic ....................................................................................................... 77
Figure 6-17 EADC0 Schematic...................................................................................................... 78
Figure 6-18 RGMII0_PE Schematic............................................................................................... 79
Figure 6-19 RGMII1_PF Schematic............................................................................................... 80
Figure 6-20 HSUSB 0/1 Schematic ............................................................................................... 81
Figure 6-21 CCAP 0/1 Connectors Schematic .............................................................................. 82
Figure 6-22 LCM Connector Schematic......................................................................................... 83
Figure 6-23 EBI Connector Schematic .......................................................................................... 84
Figure 6-24 NAU88C22 Audio Codec Schematic.......................................................................... 85
Figure 6-25 SIM Card Schematic................................................................................................... 86
Figure 6-26 RS232 Schematic....................................................................................................... 87
Figure 6-27 RS485 Schematic....................................................................................................... 88
Figure 6-28 CAN FD Schematic..................................................................................................... 89
Figure 6-29 Key Buttons, LEDs and Buzzer Schematic ................................................................ 90
Figure 6-30 SWJ, SWD and ETM Connectors Schematic............................................................. 91
Figure 6-31 NUC123 VCOM Schematic ........................................................................................ 92
Figure 6-32 MEMS Digital Microphone Schematic........................................................................ 93
Figure 6-33 MEMS G-Sensor Schematic....................................................................................... 94
Figure 6-34 Front PCB Placement of NuMaker-BASE-MA35D1B1 Board.................................... 95
Figure 6-35 Rear PCB Placement of NuMaker-BASE-MA35D1B1 Board .................................... 96
Figure 6-36 7’’ TFT LCD Daughter Board Schematic .................................................................... 97

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List of Tables
Table 1-1 Board Part Number and Information.............................................................................. 14
Table 3-1 RTC Power Control Pins of MA35D1............................................................................. 18
Table 3-2 PMIC (U2) Output Voltage............................................................................................. 19
Table 3-3 PMIC (U2) Control Pins ................................................................................................. 19
Table 3-4 eMMC1 NAND Flash Device (U3) Pin Function............................................................ 20
Table 3-5 RGMII0 PHY (U4) Pin Funciton..................................................................................... 20
Table 3-6 RGMII1 PHY (U5) Pin Funciton..................................................................................... 21
Table 3-7 SOM Connector 1 (P1) Pin Function ............................................................................. 23
Table 3-8 SOM Connector 2 (P2) Pin Function ............................................................................. 25
Table 3-9 SOM Connector 1 (CON2) Pin Function........................................................................ 29
Table 3-10 SOM Connector 2 (CON3) Pin Function...................................................................... 31
Table 3-11 QSPI0 Flash (U8) Pin Function ................................................................................... 32
Table 3-12 NAND Flash (U4) Pin Function.................................................................................... 32
Table 3-13 SD0 Standard-SD Card Slot (CON4) Pin Function ..................................................... 33
Table 3-14 Secure Boot Options.................................................................................................... 34
Table 3-15 Booting Source QSPI0 and SD/eMMC IO Voltage Options ........................................ 34
Table 3-16 Booting Source Options............................................................................................... 34
Table 3-17 Page Size Options for NAND Flash Booting Source................................................... 34
Table 3-18 ECC Options for NAND Flash Booting Source............................................................ 35
Table 3-19 Options for SD Card 0/1 or eMMC 0/1 NAND Flash Device Booting Source.............. 35
Table 3-20 4/8-bit Options for eMMC NAND Flash Device Booting Source.................................. 35
Table 3-21 1-bit Options for QSPI0 NAND/NOR Flash Booting Source........................................ 35
Table 3-22 Options for USBD or USBH Booting Source ............................................................... 36
Table 3-23 USBH Port 0/1 Options for USBH Booting Source...................................................... 36
Table 3-24 Over-current High/Low-active Detect Options for USBH Booting Source................... 36
Table 3-25 CCAP0 Connector (CON7) Pin Function..................................................................... 37
Table 3-26 CCAP1 Connector (CON8) Pin Function..................................................................... 38
Table 3-27 EBI Connector (CON10) Pin Function......................................................................... 40
Table 3-28 EADC0 Connector (J6) Pin Function........................................................................... 41
Table 3-29 UART0 Port, Ground VSS and Tamper Pin Connector (J1) Pin Function .................. 41
Table 3-30 UART11 (U21, CON13) Pin Function.......................................................................... 41
Table 3-31 UART16 (U22, CON14) Pin Function.......................................................................... 42
Table 3-32 UART12 (U23, CON15) Pin Function.......................................................................... 42
Table 3-33 UART14 (U24, CON16) Pin Function.......................................................................... 42
Table 3-34 CAN1 (U25, CON17) Pin Function.............................................................................. 43
Table 3-35 CAN3 (U26, CON18) Pin Function.............................................................................. 43

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Table 3-36 SWJ Interface (CON19) Pin Function.......................................................................... 44
Table 3-37 SWD Interface (J8) Pin Function ................................................................................. 44
Table 3-38 ETM Interface (CON20) Pin Function.......................................................................... 45
Table 3-39 NUC123 ICE Interface (J9) Pin Function..................................................................... 45
Table 3-40 LCM Connecor (CON9) Pin Function.......................................................................... 48
Table 3-41 I2S0 (U18) Pin Function .............................................................................................. 48
Table 3-42 I2C2 (U18) Pin Function .............................................................................................. 48
Table 3-43 Audio Codec (U18) Control Pin Function .................................................................... 49
Table 3-44 SC0 SIM Card Connector (CON12) Pin Function ....................................................... 49
Table 3-45 Key Buttons (KEY_1, KEY_2, KEY_3) Pin Function ................................................... 49
Table 3-46 LEDs (LEDG4, LEDR1) Pin Function.......................................................................... 50
Table 3-47 MEMS Digital Mircrophone (U31) Pin Function........................................................... 50
Table 3-48 MEMS G-Sensor (U32) Pin Function........................................................................... 50
Table 4-1 SD/eMMC Booting Source Configuration on Power-on Setting .................................... 54
Table 4-2 SD0 Booting Source Configuration on Power-on Setting.............................................. 54

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1 OVERVIEW
The NuMaker-HMI-MA35D1-S1 is an evaluation board for Nuvoton NuMicro MA35D1 series
microprocessors, and consists of three parts: a NuMaker-SOM-MA35D16A81 SOM board, a NuMaker-
BASE-MA35D1B1 base board and a 7” TFT-LCD daughter board. The SOM board integrates core
components to simplify the system design, based on MA35D16A887C (BGA312 package, and stacking
a 256 MB DDR), PMIC power solution, a 16 GB eMMC Flash, and two Gigabit Ethernet PHY. The
NuMaker-HMI-MA35D1-S1 has rich peripherals such as 2 sets of Gigabit Ethernet, USB2.0 high-speed
host and device, 2 sets of CAN FD, and SPI, I2C, UART, RS-485 serial communication ports for users
to facilitate the evaluation in HMI and industrial control, home appliances, 2-wheel cluster, medical
device, new energy applications, ML (Machine Learning) or your creative applications.
There are two evaluation boards for the MA35D1 series, NuMaker-HMI-MA35D1-S1 and NuMaker-IoT-
MA35D1-A1, which are ideal for HMI and edge gateway applications, respectively. For more details on
HMI applications, please refer to NuMaker-HMI-MA35D1-S1 User Manual. For more details on edge
gateway applications, please refer to NuMaker-IoT-MA35D1-A1 User Manual.
The NuMicro MA35D1 series is a heterogeneous multi-core microprocessor targeted to high-end edge
IIoT gateway. It is based on dual 64-bit Arm Cortex-A35 cores with speed up to 1 GHz, and one 180
MHz Arm Cortex-M4 core. Based on the high-performance cores, the MA35D1 series facilities the tiny
AI/ML for edge computing.
The MA35D1 supports 16-bit DDR2 and DDR3/DDR3L SDRAM. For an easy system design and
manufacture, the MA35D1 series also offers LQFP and BGA packages stacked with the DDR2/DDR3L
SDRAM and density up to 512 MB, which significantly reduces PCB layer, size and electromagnetic
interference (EMI).
The MA35D1 series is a trusted system for IoT products' security requirements. It includes several
advanced security mechanisms such as Nuvoton Trusted Secure Island (TSI) an isolated secure
hardware unit, TrustZone, secure boot, tamper-detection, built-in cryptographic accelerators, and a
TRNG, as well as Key Store and OTP memory. All the security operations are performed in the TSI to
protect sensitive and high-value data. The features also satisfy customers in IEC 62443 certification
requirements.
For high-end edge IIoT gateway requirements, the MA35D1 series provides multiple advanced and high-
speed connection interfaces, such as Gigabit Ethernet, SDIO3.0, USB 2.0 HS, and CAN FD, for edge
gateway and new energy applications.
For HMI applications, the MA35D1 series provides a LCD display controller with the resolution up to
1920x1080 at 60 FPS, a 2D graphic engine, a JPEG and a H.264 decoder integrated for better graphical
HMI effects and video playback.

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Figure 1-1 NuMaker-HMI-MA35D1-S1 Board from SOM Side
Figure 1-2 NuMaker-HMI-MA35D1-S1 Board from TFT LCD Side

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1.1 NuMaker-SOM-MA35D16A81 Board
The NuMaker-SOM-MA35D16A81 board contains an on-board target chip MA35D16A887C packaged
in a MCP type with internal DDR3L 256 MB SDRAM, a PMIC device DA9062-3A to supply the powers
to the target chip MA35D16A887C and dedicated peripherals on this SOM board, an eMMC NAND
Flash memory device, two Gigabit Ethernet (RGMII) PHY devices, a battery input header and a PMIC
reset key button.
Figure 1-3 NuMaker-SOM-MA35D16A81 Board

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1.2 NuMaker-BASE-MA35D1B1 Board
The NuMaker-BASE-MA35D1B1 board contains rich peripherals, including two high speed connectors
to connect the NuMaker-SOM-MA35D16A81 board, serial SPI NAND and parallel NAND Flash memory
devices, a Standard-SD memory card slot, two Gigabit Ethernet transformers and RJ45 ports, two High
Speed USB ports (Host/Device and Host), an audio codec with microphone and headset jack, a 24-bit
RGB LCD with touch connector, an External Bus Interface (EBI) connector, two CMOS sensor input
connectors, eight channels of ADC input, two RS232 COM ports, two RS485 connectors, two CAN FD
connectors, three user key buttons and two user LEDs.
Figure 1-4 NuMaker-BASE-MA35D1B1 Board

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1.3 7’’ TFT LCD Daughter Board
This daughter board contains a 7’’ 4-wire resistive touch TFT LCD panel with pixel resolution of
1024x600. (TH0701024600NYR50L1 + AN-3748A)
Figure 1-5 7’’ TFT LCD Daughter Board

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1.4 Board Part Number and Information
The following table lists the part number of this evaluation board (EVB) based on the MA35D16A887C
microprocessors, and the PCB names of three parts: NuMaker-SOM-MA35D16A81 SOM board,
NuMaker-BASE-MA35D1B1 base board and 7” TFT-LCD daughter board.
Part Number of EVB
SOM Board
BASE Board
7” TFT LCD Daughter Board
NuMaker-HMI-
MA35D1-S1
NuMaker-SOM-
MA35D16A81 V2.x
NuMaker-BASE-
MA35D1B1 V2.x
NuMaker TFT-LCD7
Table 1-1 Board Part Number and Information

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2 FEATURES
2.1 NuMaker-SOM-MA35D16A81 Features
Target Chip: MA35D16A887C (BGA 312-Ball) MCP package with DDR3L (256 MB), which
can run up to 800 MHz
Power
–DC 5V input from the NuMaker-BASE-MA35D1B1 board through the SOM high speed
connector
–PMIC DA9062-3A:
Four DC/DC: To supply 1.2V Core power, 1.2V CPU power, 1.35V DDR3L Memory
power and 3.3V I/O power
Four LDO: To supply 3.0V RTC power, 1.8V I/O power, 2.5V PLL power and
3.3V/1.8V eMMC NAND Flash power
–Battery input header (J48): Independent DC 3.3V input to VBAT for RTC power (Optional)
Memory Devices
–An on-board eMMC NAND Flash memory device (16 GB)
Two Gigabit Ethernet (RGMII) PHY devices
Two 120-pin high speed connectors to connect with NuMaker-BASE-MA35D1B1 board
One PMIC reset key button
2.2 NuMaker-BASE-MA35D1B1 Features
Power:
–5V/2A Power Jack and Slide Switch
Debug/Trace:
–UART0 debug port: USB Virtual COM (VCOM) port
–Debug/Trace ports: SWJ (JTAG+SWD), ETM and SWD connectors
Memory Devices
–An on-board Quad SPI NAND Flash device (512 MB)
–An on-board NAND Flash device (1 GB)
–Standard-SD (SD2.0) memory card slot
One power-on setting DIP-Switch for evaluation booting source selection
Two 120-pin high speed connectors to connect with NuMaker-SOM-MA35D16A81 board
Two sets of Gigabit Ethernet ports:Two Gigabit Ethernet transformer devices and two RJ45
port connectors
Two sets of high speed USB ports: One Host/Device port and one Host port
Two camera capture (CMOS sensor) header connectors
One LCM connector to connect with 7’’ 1024x600 LCD daughter board
One audio codec with microphone input and speaker output
One SIM card slot
One External Bus Interface (EBI) header connector

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Two sets of UART transceivers and DB9 connectors
Two sets of RS485 transceivers and header connectors
Two sets of CAN FD transceivers and header connectors
One 8-channel ADC header connector
MEMS Mircrophone
MEMS G-Sensor
Three user key buttons
Two user LEDs
One set of buzzer pads
2.3 7’’ TFT LCD Daughter Board Features
One LCD FPC connector to connect with 7’’ 1024x600 TFT LCD panel
One 4-wire resistive touch FPC connector
One connector to connect with NuMaker-BASE-MA35D1B1 board

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3 HARDWARE CONFIGURATION
3.1 NuMaker-SOM-MA35D16A81 Board
3.1.1 Front View
Figure 3-1 shows the main components and connectors from the front side of NuMaker-SOM-
MA35D16A81 board.
Target Chip (U1): MA35D16A887C (BGA312) MCP package with DDR3L (256MB).
RGMII1
Gigabit PHY
(U5, RTL8211FDI-CG)
RGMII0
Gigabit PHY
(U4, RTL8211FDI-CG)
Target Chip
(U1, MA35D16A887C)
eMMC NAND Flash
(U3, THGBMJG7C2LBAU8)
PMIC
(U2, DA9062-3A)
Battery Input
(J48)
PMIC Reset Key
(SW1)
Figure 3-1 Front View of NuMaker-SOM-MA35D16A81
3.1.2 Rear View
Figure 3-2 shows the main components and connectors from the rear side of NuMaker-SOM-
MA35D16A81 board.
SOM
High Speed Connector
(P2, DF40C-120DP-0.4V (51))
SOM
High Speed Connector
(P1, DF40C-120DP-0.4V (51))
Figure 3-2 Rear View of NuMaker-SOM-MA35D16A81
3.1.3 Power Input
5V Input (P2.1~6): DC 5V power input for the NuMaker-SOM-MA35D16A81 board that supplied
from the base board through the pin 1 to pin 6 of SOM high speed connector P2.

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3.1.4 RTC Wake-up Control
Battery Input Connector (J48): DC 3V battery input connector to provide an additional optional
power to keep the RTC power from the VBAT pin of MA35D1 when the system is power off.
RTC Wake-up Control Pins: The RTC_RPWR and RTC_nRWAKE pins of MA35D1 are the RTC
wake-up control pins to control the related DC/DC power whether output voltages or not.
Pin No.
Pin Name of MA35D1
Function Description
U1.E7
RTC_RPWR*1
RTC wake-up output pin for external DC/DC (for
example, the PMIC device DA9062-3A (U2) on this
NuMaker-SOM-MA35D16A81 board) enable pin
control.
U1.G5
RTC_nRWAKE*2*3
RTC wake-up interrupt input with internal pull-high
Note *1: This RTC_RPWR output pin of MA35D1 is not wired directly to the SYS_EN input pin (pin
30) of PMIC device DA9062-3A (U2) on this NuMaker-SOM-MA35D16A81 board by default. (The
R89 resistor is NC, but R88 resistor is mounted on board by default)
Note *2: This RTC_nRWAKE input pin is wired directly to the RTC Wakeup key button (SW3) on
NuMaker-BASE-MA35D1B1 board and the R90 resistor is mounted on board by default.
Note *3: This RTC_nRWAKE pin is internal pull-high. If user does not use the RTC wake-up interrupt
function, please pull this pin to low (the R90 is mounted on board by default). In this condition, user
also needs to disable the PWRST bit (RTC_PWRCTL[6]) of the RTC Power Control Register by
clearing it for saving the RTC power consumption.
Table 3-1 RTC Power Control Pins of MA35D1
3.1.5 PMIC
PMIC Reset Key Button (SW1): Press this key to pull the nRESETREQ (pin 16) of PMIC device
DA9062-3A (U2) low to reset this PMIC device to supply the output voltages and control the
nRESET signal following the default power-on sequence stored in the internal configured
initialization.
PMIC (U2): After systerm power-on and pull the SYS_EN (pin 30) of the PMIC device DA9062-3A
(U2) to high, the PMIC will follows the configured power-on sequence to supply all necessary and
different voltages to the target chip MA35D16A887C and dedicated peripherals on this NuMaker-
SOM-MA35D16A81 board, and release the nRESET signal from low to high at the last one
sequence step.
U2.#
Pin Name
Output Voltage / MAX. Current
U2.26
VBUCK1
DC 1.2V ~ 1.34V / 2.5A
U2.27
VBUCK2
DC 1.2V / 2.5A
U2.25
VBUCK3
DC 3.3V / 2A
U2.24
VBUCK4*1
DC 1.35V or 1.8V / 2A
U2.1
VLDO1
DC 3V / 100mA
U2.2
VLDO2
DC 1.8V / 300mA
U2.9
VLDO3
DC 2.5V / 300mA
U2.11
VLDO4*2
DC 3.3V or 1.8V / 300mA

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Note *1: The output voltage of VBUCK4 depends on the status of U2.28 pin and to supply the voltage
to the internal DDR memory and DDR PHY of the target chip MA35D16A887C (MCP package with
DDR3L SDRAM memory). By default, the U2.28 pin is pull-down to force VBUCK4 pin of PMIC to
output 1.35V on this NuMaker-SOM-MA35D16A81 board.
Note *2: No connection (NC) bydefault. For more detailed information about how to change the output
voltage on VLDO4, please refer to the PMIC DA9062-3A Application Note on Nuvoton website.
Table 3-2 PMIC (U2) Output Voltage
U2.#
Pin Name
GPIO Function / Pin Name
of MA35D1
U2.13
SDA
PMIC_I2C0_SDA / PD6*1
U2.14
SCL
PMIC_I2C0_SCL / PD7*2
U2.37
nIRQ
PMIC_nIRQ / PA15*3
U2.30
SYS_EN*4
RTC_RPWR*5
Note *1: This PD6 pin is dedicated as PMIC_I2C0_SDA function for controlling external PMIC by
default.
Note *2: This PD7 pin is dedicated as PMIC_I2C0_SCL function for controlling external PMIC by
default.
Note *3: This PA15 pin is dedicated as PMIC_nIRQ input function from external PMIC by default.
Note *4: This SYS_EN input pin of PMIC device DA9062-3A (U2) is controlled by RTC_RPWR output
of MA35D1 by default. (The R89 resistor is mounted, but R88 resistor is NC by default)
Note *5: This RTC_RPWR output pin state of MA35D1 is controlled by RTC internal logic and the
RTC_nRWAKE input pin state of the target chip MA35D16A887C. The RTC_nRWAKE input pin is
controlled directly by the RTC Wake-up key (SW3) on NuMaker-BASE-MA35D1B1 board by default.
(The R90 resistor is NC by default)
Table 3-3 PMIC (U2) Control Pins
3.1.6 eMMC NAND Flash
eMMC1 NAND Flash Memory Device (U3): An on-board eMMC NAND Flash memory device
(PTE7A0MI-16GI, 16 GB) for optional booting source. The booting source depends on the Power-
on Setting by the status of DIP Switch (SW4) on the NuMaker-BASE-MA35D1B1 board.
Function Name
GPIO pin of MA35D1
eMMC1_DAT4
PJ0
eMMC1_DAT5
PJ1
eMMC1_DAT6
PJ2
eMMC1_DAT7
PJ3
-
PJ4*
-
PJ5*
eMMC1_CMD
PJ6

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eMMC1_CLK
PJ7
eMMC1_DAT0
PJ8
eMMC1_DAT1
PJ9
eMMC1_DAT2
PJ10
eMMC1_DAT3
PJ11
Note *: No connection (NC) by default.
Table 3-4 eMMC1 NAND Flash Device (U3) Pin Function
3.1.7 RGMII Gigabit PHY
RGMII0 Gigabit PHY (U4): The RGMII0 MAC of MA35D1 needs an external Gigabit PHY
(RTL8211FDI) to transform signal and pass these 4-pair differential signals to the Ethernet
transformer on NuMaker-BASE-MA35D1B1 board through the SOM high speed connector P1.
Function Name
GPIO pin of MA35D1
RGMII0_MDC
PE0
RGMII0_MDIO
PE1
RGMII0_TXCTL
PE2
RGMII0_TXD0
PE3
RGMII0_TXD1
PE4
RGMII0_RXCLK
PE5
RGMII0_RXCTL
PE6
RGMII0_RXD0
PE7
RGMII0_RXD1
PE8
RGMII0_RXD2
PE9
RGMII0_RXD3
PE10
RGMII0_TXCLK
PE11
RGMII0_TXD2
PE12
RGMII0_TXD3
PE13
Table 3-5 RGMII0 PHY (U4) Pin Funciton
RGMII1 Gigabit PHY (U5): The RGMII1 MAC of MA35D1 needs an external Gigabit PHY
(RTL8211FDI) to transform signal and pass these 4-pair differential signals to the Ethernet
transformer on NuMaker-BASE-MA35D1B1 board through the SOM high speed connector P1.
Function Name
GPIO pin of MA35D1
RGMII1_MDC
PF0