Nuvoton NuMicro NuMaker-IoT-MA35D1-A1 Manual de usuario

NuMaker-IoT-MA35D1-A1

Sept. 25, 2023 Page 1of 43 Rev 1.07

NUMAKER-IOT-MA35D1-A1 USER MANUAL

Maker Nu-mbed NUC472 User Manual

NuMicro®Family

Arm®Cortex®-A35-based Microprocessor

NuMaker-IoT-MA35D1-A1

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......................................................................................................6 
2FEATURES......................................................................................................7 
3HARDWARE CONFIGURATION.....................................................................8 
1 Front View....................................................................................................................... 8
2 Rear View ....................................................................................................................... 8
3 DDR PHY and MCP DRAM Power Voltage .............................................................. 9
4 Audio Codec................................................................................................................... 9
5 RGMII Gigabit Ethernet ................................................................................................ 9
6 RMII Megabit Ethernet.................................................................................................. 9
7 QSPI Flash ..................................................................................................................... 9
8 NAND Flash ................................................................................................................. 10 
9 USB Virtual COM (VCOM) Port................................................................................. 10 
10 Power Jack ............................................................................................................. 11 
11 Power-on Setting ................................................................................................... 11 
12 Reset and RTC Wake-up Control ....................................................................... 14 
13 SWJ ......................................................................................................................... 14 
14 HS USB2.0 Connectors........................................................................................ 15 
15 RS232 or UART ..................................................................................................... 15 
16 RS485...................................................................................................................... 16 
17 CAN FD................................................................................................................... 16 
18 Raspberry Pi 40-pin Connector........................................................................... 16 
19 Key Buttons and LEDs.......................................................................................... 18 
20 CMOS Sensor Capture Connector ..................................................................... 19 
21 MicroSD Card Slot................................................................................................. 20 
22 Arduino UNO Compatible Extension Connectors............................................. 21 
4QUICK START...............................................................................................24 
1 Configure Power-on Setting....................................................................................... 24 
2 Power On the System................................................................................................. 25 
3 VCOM Port (Optional)................................................................................................. 25 
4 Press the RTC Wakeup Key Button ......................................................................... 25 
5SUPPORTING RESOURCES........................................................................27 
1 Documents ................................................................................................................... 27 

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5.2 Software........................................................................................................................ 27

6NUMAKER-IOT-MA35D1-A1 SCHEMATICS ................................................29

6.1 Power Input Schematic............................................................................................... 29

6.2 Key Buttons and LEDs Schematic............................................................................ 30

6.3 Power-on Setting and SWJ Schematic .................................................................... 31

6.4 CCAP0 Schematic....................................................................................................... 32

6.5 CAN FD, UART and RS485 Schematic ................................................................... 33

6.6 QSPI0 and NAND Flash Schematic ......................................................................... 34

6.7 SD1 Schematic ............................................................................................................ 35

6.8 RGMII0_PE Schematic............................................................................................... 36

6.9 RMII1_PF Schematic.................................................................................................. 37

6.10 NAU88C22 Audio Codec Schematic .................................................................. 38

6.11 NUC123 VCOM Schematic.................................................................................. 39

6.12 HSUSB 0/1 Schematic.......................................................................................... 40

6.13 PCB Placement...................................................................................................... 41

7REVISION HISTORY .....................................................................................42

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List of Figures 
Figure 1-1 NuMaker-IoT-MA35D1-A1 Board ................................................................................... 6 
Figure 3-1 Front View of NuMaker-IoT-MA35D1-A1........................................................................ 8 
Figure 3-2 Rear View of NuMaker-IoT-MA35D1-A1........................................................................ 8 
Figure 3-3 UART, RS485, CAN Headers and Raspberry Pi Connector........................................ 18 
Figure 3-4 Arduino UNO Compatible Extension Connectors......................................................... 21 
Figure 4-1 Power-on Setting DIP Switch (SW7)............................................................................ 24 
Figure 4-2 USB VCOM Port (CON9).............................................................................................. 25 
Figure 4-3 RTC Wakeup Key Button (SW1).................................................................................. 26 
Figure 5-1 Nuvoton Website .......................................................................................................... 27 
Figure 5-2 MA35D1 GitHub Resources ......................................................................................... 28 
Figure 6-1 Power Input Schematic................................................................................................. 29 
Figure 6-2 Key Buttons and LEDs Schematic................................................................................ 30 
Figure 6-3 Power-on Setting and SWJ Schematic......................................................................... 31 
Figure 6-4 CCAP0 Schematic........................................................................................................ 32 
Figure 6-5 CAN FD, UART and RS485 Schematic........................................................................ 33 
Figure 6-6 QSPI0 and NAND Flash Schematic............................................................................. 34 
Figure 6-7 SD1 Schematic............................................................................................................. 35 
Figure 6-8 RGMII0_PE Schematic................................................................................................. 36 
Figure 6-9 RMII1_PF Schematic.................................................................................................... 37 
Figure 6-10 NAU88C22 Audio Codec Schematic.......................................................................... 38 
Figure 6-11 NUC123 VCOM Schematic ........................................................................................ 39 
Figure 6-12 HSUSB 0/1 Schematic ............................................................................................... 40 
Figure 6-13 Front PCB Placement of NuMaker-IoT-MA35D1-A1 Board....................................... 41 
Figure 6-14 Rear PCB Placement of NuMaker-IoT-MA35D1-A1 Board........................................ 41 
 
 

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List of Tables 
Table 3-1 DDR PHY and MCP DRAM Power Voltage Selection..................................................... 9 
Table 3-2 QSPI0 Flash (U11) Pin Function ................................................................................... 10 
Table 3-3 NAND Flash (U12) Pin Function.................................................................................... 10 
Table 3-4 NUC123 ICE Interface (J9) Pin Funciton....................................................................... 11 
Table 3-5 Secure Boot Options...................................................................................................... 11 
Table 3-6 Booting Source QSPI0 and SD/eMMC IO Voltage Options .......................................... 11 
Table 3-7 Booting Source Options................................................................................................. 12 
Table 3-8 Page Size Options for NAND Flash Booting Source..................................................... 12 
Table 3-9 ECC Options for NAND Flash Booting Source.............................................................. 12 
Table 3-10 Options for SD Card 0/1 or eMMC 0/1 NAND Flash Device Booting Source.............. 12 
Table 3-11 4/8-bit Options for eMMC NAND Flash Device Booting Source.................................. 13 
Table 3-12 1-bit Options for QSPI0 NAND/NOR Flash Booting Source........................................ 13 
Table 3-13 Options for USBD or USBH Booting Source ............................................................... 13 
Table 3-14 USBH Port 0/1 Options for USBH Booting Source...................................................... 13 
Table 3-15 Over-current High/Low-active Detect Options for USBH Booting Source................... 14 
Table 3-16 RTC Power Control Pins of MA35D1........................................................................... 14 
Table 3-17 SWJ Interface (CON12) Pin Funciton.......................................................................... 15 
Table 3-18 RS232_10 Header (J5) Pin Funciton (V2.3)................................................................ 16 
Table 3-19 UART_10 Header (J5) Pin Funciton (V2.4)................................................................. 16 
Table 3-20 RS485_12 Header (J6) Pin Funciton........................................................................... 16 
Table 3-21 CAN_1 Header (J2) Pin Funciton................................................................................ 16 
Table 3-22 Raspberry Pi 40-pin Connector (CON4) Pin Funciton................................................. 18 
Table 3-23 Key Buttons (KEY_0, KEY_1, KEY_2, KEY_3) Pin Function...................................... 19 
Table 3-24 LEDs (LED_0 , LED_1, LED_2) Pin Function ............................................................. 19 
Table 3-25 CCAP0 Connector (CON3) Pin Funciton..................................................................... 20 
Table 3-26 SD1 MicroSD Card Slot (CON5) Pin Function ............................................................ 20 
Table 3-27 PN11 Pin State Control for SD1 VDD_SDIO 3.3V or 1.8V Power Voltage................. 21 
Table 3-28 PN14 or nRESET Pin State Control for SD1 MicroSD Card Power ON or OFF ......... 21 
Table 3-29 Arduino UNO Interface Connector 1 (NU1) Pin Funciton............................................ 22 
Table 3-30 Arduino UNO Interface Connector 2 (NU2) Pin Funciton............................................ 22 
Table 3-31 Arduino UNO Interface Connector 3 (NU3) Pin Funciton............................................ 22 
Table 3-32 Arduino UNO Interface Connector 4 (NU4) Pin Funciton............................................ 23 
Table 4-1 Secure Boot Disable Configuration................................................................................ 24 
Table 4-2 QSPI0 Boot Source IO Voltage Configuration............................................................... 24 
Table 4-3 QSPI0 Boot Source Configuration................................................................................. 25 
Table 4-4 QSPI0 Boot Source SPI NAND 1-bit Configuration....................................................... 25 

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1 OVERVIEW

The NuMaker-IoT-MA35D1-A1 evaluation board provides the Ethernet and connectivity features of

Nuvoton NuMicro MA35D1 series microprocessors (MPUs), based on MA35D16F987C (LQFP216

package, and stacking a 512 MB DDR). The NuMaker-IoT-MA35D1-A1 includes rich peripherals such

as one set of Gigabit Ethernet, one set of Megabit Ethernet, high-speed USB2.0 Host and device, one

set of SD2.0 in Micro SD slot, one set of CAN FD, and RS-485 and RS232 serial communication ports.

Furthermore, the NuMaker-IoT-MA35D1-A1 provides discrete power supply to be the reference design.

It also provides compatible headers with Raspberry Pi and Arduino UNO for minimizing effort in

connecting popular sensors and modules to the system. Based on these features, it helps user to

facilitate the evaluation in IIoT Edge Gateway, Smart Building, Smart Agriculture, T-Box, 4G/5G Base

Station, 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 800 MHz, 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 series 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.

Figure 1-1 NuMaker-IoT-MA35D1-A1 Board

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2 FEATURES

Target Chip: MA35D16F987C (LQFP216) MCP package with DDR3L (512 MB), which can

run up to 800 MHz

Power:

–5V/2A Power Jack, USB VCOM Port or HSUSB0 Device

–Battery header for RTC power

Debug:

–UART0 debug port: USB Virtual COM (VCOM) port

–Debug port: SWJ (JTAG + SWD) connector

Memory Devices

–An on-board Quad SPI NAND Flash device (512 MB)

–An on-board NAND Flash device (1 GB)

–MicroSD memory card (SD1, supports SD3.0)

One power-on setting DIP-Switch for evaluation booting source selection

One set of Gigabit Ethernet port: One Gigabit Ethernet (RGMII) PHY device, transformer

and RJ45 port connector

One set of Megabit Ethernet port: One Megabit Ethernet (RMII) PHY device, transformer

and RJ45 port connector

Two sets of high speed USB ports: One Host/Device port and one Host port

One Raspberry Pi 40-pin header connector

Arduino UNO compatible extension connectors

One camera capture (CMOS sensor) header connector

One audio codec with microphone input and speaker output

One UART header

One set of RS485 transceiver and header connector

One set of CAN FD transceiver and header connector

Four user key buttons

Three user LEDs

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3 HARDWARE CONFIGURATION

3.1 Front View

Figure 3-1 shows the main components and connectors from the front side of NuMaker-IoT-MA35D1-

A1 board.

Target Chip (U1): MA35D16F987C (LQFP216) MCP package with DDR3L (512MB).

Speaker

Header

(J7)

Target Chip

(U1, MA35D16F787C)

QSPI0 SPI-NAND Flash

(U11, W25N04KVZEIR)

NAND Flash

(U12, W29N08GVSIAA)

CCAP0

Connector

(CON3)

HSUSB1

Host

(CON11)

USB VCOM Port

(CON9)

RGMII0 Gigabit PHY

& Transformer

(U14, RTL8211FDI)

(U15, GST5009BM)

SWJ

Connector

(CON12)

Power-on Setting

DIP Switch

(SW7)

Key Buttons

(SW3/SW4/SW5/SW6)

Raspberry Pi

Connector

(CON4)

RTC Battery

Header

(J1)

Reset Key

(SW2)

Microphone

(M1)

Headset Jak

(CON8)

Audio codec

(U18, NAU88C22)

USB0_ID

Header

(J10)

LEDs

RMII1 10/100 PHY

& Transformer

(U16, RTL8201FI)

(U17, TS8121C) RTC Wakeup Key

(SW1)

UART_10

Header

(J5)

CAN_1

Transceiver &

Header

(U7, J2)

SWJ_nRESET

Header

(J3)

HSUSB0

Host/Device

(CON10)

VCOM Controller

(U19, NUC123ZD4AN0)

NUC123 ICE

Interface

(J9)

5V/2A

Power Jack

(CON2)

RS485_12

Transceiver &

Header

(U9, J6)

Figure 3-1 Front View of NuMaker-IoT-MA35D1-A1

3.2 Rear View

Figure 3-2 shows the main components and connectors from the rear side of NuMaker-IoT-MA35D1-A1

board.

RMII1 RJ45

Connector

(CON7)

RGMII0 RJ45

Connector

(CON6)

SD1

Micro-SD

(CON5)

Arduino UNO Compatible Extension Connectors

(NU1/NU2/NU3/NU4)

Figure 3-2 Rear View of NuMaker-IoT-MA35D1-A1

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3.3 DDR PHY and MCP DRAM Power Voltage

DDR PHY and MCP DRAM Power Selection Resistors (R252 and R253): These two resistors

R252 and R253 can decide the power voltage (1.35V or 1.8V) of DRAM_VDD that feeds to the

internal DDR PHY and MCP DARM of MA35D1 target chip.

Mounted on PCB

DRAM_VDD Voltage

MA35D1 PN / MCP DRAM Type

R252*1*2

1.35V

MA35D16F987C/MA35D16F887C

/ DDR3L*2

R253*1

1.8V

MA35D16F787C / DDR2

Note *1: Only one resistor R252 or R253 can be mounted on the PCB and user should make sure

which part number chip of MA35D1 series that be mounted on the this NuMaker-IoT-MA35D1-A1

board.

Note *2: By default, only R252 resistor and MA35D16F987C target chip are mounted on the NuMaker-

IoT-MA35D1-A1 board.

Table 3-1 DDR PHY and MCP DRAM Power Voltage Selection

3.4 Audio Codec

Audio Codec Device (U18): Nuvoton NAU88C22 is audio codec device that integrates microphone

input, speaker output and headphone output for audio application on this board.

Headset Jack (CON8): A headset input jack that follows CTIA definition.

Speaker Connector (J7): To connect a speaker to output audio sound.

Microphone (M1): An on-board microphone for audio sound input.

3.5 RGMII Gigabit Ethernet

RGMII0 Gigabit PHY (U14) and Transformer (U15): The RGMII0 MAC of MA35D1 series needs

an external Gigabit PHY (RTL8211FDI) and a transformer (GST5009BM) to connect with the

Ethernet network.

RGMII0 RJ45 Connector (CON6): The Ethernet RGMII0 RJ45 connector.

3.6 RMII Megabit Ethernet

RMII1 Megabit PHY (U16) and Transformer (U17): The RMII1 MAC of MA35D1 series needs an

external Megabit PHY (RTL8201FI) and a transformer (TS8121C) to connect with the Ethernet

network.

RMII1 RJ45 Connector (CON7): The Ethernet RMII1 RJ45 connector.

3.7 QSPI Flash

QSPI0 Flash (U11): Winbond SPI NAND Flash (W25N04KWZEIR, 512MB) for optional booting

source, supporting dual / quad mode.

Pin No.

Pin Name

GPIO pin of MA35D1

QSPI0_SS0

PD0

QSPI0_MISO0

PD3

QSPI0_MOSI1

PD4

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VSS

QSPI0_MOSI0

PD2

QSPI0_CLK

PD1

QSPI0_MISO1

PD5

QSPI0_VDD*

Note *: The power group of these GPIO PD0~PD5 belongs to the VDDIO5 power domain of MA35D1

series, the default voltage of VDDIO5 (power input VDD_QSPI0) is VDD1V8 (DC 1.8V) on this

NuMaker-IoT-MA35D1-A1 board.

Table 3-2 QSPI0 Flash (U11) Pin Function

3.8 NAND Flash

NAND Flash (U12): Winbond NAND Flash (W29N08GVSIAA, 1GB) for optional booting source.

Function Name

GPIO pin of MA35D1

NAND_DATA0

PA0

NAND_DATA1

PA1

NAND_DATA2

PA2

NAND_DATA3

PA3

NAND_DATA4

PA4

NAND_DATA5

PA5

NAND_DATA6

PA6

NAND_DATA7

PA7

NAND_RDY

PA8

NAND_nRE

PA9

NAND_nWE

PA10

NAND_CLE

PA11

NAND_ALE

PA12

NAND_nCS

PA13

NAND_nWP

PA14

Table 3-3 NAND Flash (U12) Pin Function

3.9 USB Virtual COM (VCOM) Port

USB VCOM Port (CON9, USB Micro-AB Receptacle): The NUC123ZD4AN0 microcontroller

(MCU) (U19) acts as an USB VCOM device to communicate data between the UART0 port of

MA35D1 series and USB host of PC. An USB cable should be connected with this micro-AB

connector (CON9) and should be plugged-in the PC host to display the debug messages on PC

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