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Nuvoton NuMicro NuMaker-M2L31SG User Manual

Arm cortex-m23-based microcontroller
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NuMaker-M2L31SG
NuMicro
®
Family
Arm
®
Cortex
®
-M23-based Microcontroller
NuMaker-M2L31SG
User Manual
Evaluation Board for NuMicro
®
M2L31 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
Dec. 20, 2024
Page 1 of 48
Rev 1.00

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Summary of Contents for Nuvoton NuMicro NuMaker-M2L31SG

  • Page 1 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.

  • Page 2: Table Of Contents

    3.8.2 Status LEDs ........................26 4 QUICK START ....................27 4.1 Toolchains Supporting ....................27 4.2 Nuvoton Nu-Link Driver Installation ................27 4.3 BSP Firmware Download ................... 29 4.4 Hardware Setup ......................29 4.5 Find the Example Project ................... 31 4.6 Execute the Project under Toolchains ..............
  • Page 3 NuMaker-M2L31SG 5.3 Extension Connectors ....................45 5.4 PCB Placement ......................46 6 REVISION HISTORY ..................47 Dec. 20, 2024 Page 3 of 48 Rev 1.00...
  • Page 4 NuMaker-M2L31SG List of Figures Figure 1-1 NuMaker-M2L31SG Evaluation Board ................7 Figure 3-1 Front View of NuMaker-M2L31SG ................. 9 Figure 3-2 Rear View of NuMaker-M2L31SG ................10 Figure 3-3 M2L31SG4AE Extension Connectors ................11 Figure 3-4 Arduino UNO Compatible Extension Connectors ............15 Figure 3-5 External Power Supply Sources on Nu-Link2-Me ............
  • Page 5 NuMaker-M2L31SG Figure 4-27 Startup Tab Configuration ..................41 Figure 4-28 NuEclipse Debug Mode ....................42 Figure 4-29 Debug Message on Serial Port Terminal Windows ............ 42 Figure 5-1 Nu-Link2-Me Circuit ...................... 43 Figure 5-2 M2L31SG Target Board Circuit ..................44 Figure 5-3 Extension Connectors Circuit ..................
  • Page 6 NuMaker-M2L31SG List of Tables Table 3-1 Extension Connectors ....................11 Table 3-2 M2L31SG4AE Full-pin Extension Connectors and GPIO Function List ......14 Table 3-3 Arduino UNO Extension Connectors and M2L31SG4AE Mapping GPIO List ....16 Table 3-4 Vin Power Source ......................17 Table 3-5 5V Power Sources ......................

  • Page 7: Overview

    NuMaker-M2L31SG OVERVIEW The NuMaker-M2L31SG is an evaluation board for Nuvoton NuMicro M2L31XD4AE, M2L31ZE4AE, M2L31ZD4AE, M2L31YG4AE, M2L31YE4AE, M2L31YD4AE, M2L31LE4AE, M2L31LG4AE M2L31LD4AE and M2L31SE4AE microcontrollers. The NuMaker-M2L31SG consists of two parts: an M2L31SG target board and an on-board Nu-Link2-Me debugger and programmer. The NuMaker- M2L31SG is designed for project evaluation, prototype development and validation with power consumption monitoring function.

  • Page 8: Features

    NuMaker-M2L31SG FEATURES ⚫ NuMicro M2L31SG4AE used as main microcontroller with function compatible with: M2L31XD4AE – M2L31ZE4AE – M2L31ZD4AE – M2L31YG4AE – M2L31YE4AE – M2L31YD4AE – M2L31LE4AE – M2L31LG4AE – M2L31LD4AE – M2L31SE4AE – ⚫ M2L31SG4AE full pins extension connectors ⚫ Arduino UNO compatible extension connectors ⚫...

  • Page 9: Hardware Configuration

    NuMaker-M2L31SG HARDWARE CONFIGURATION Front View Arduino UNO Compatible Extension Connectors Switch Reset Button External V Connector Ammeter VCOM Switch ICE USB Connector USB PWR Connector ICE Chip: M48SSIDAE Power LED ICE Status LED PC14 LED Off-line Program Button External V Connector M2L31SG Target Board Nu-Link2-Me...

  • Page 10: Rear View

    NuMaker-M2L31SG Rear View Figure 3-2 shows the main components and connectors from the rear side of NuMaker-M2L31SG. The following lists components and connectors from the rear view: ⚫ Nu-Link2-Me MCUVCC Power Switch (ICEJPR1) – ICEVCC Power Switch (ICEJPR2) – ICEVCC Power Switch MCUVCC Power Switch Figure 3-2 Rear View of NuMaker-M2L31SG Dec.

  • Page 11: Extension Connectors

    NuMaker-M2L31SG Extension Connectors Table 3-1 presents the extension connectors. Connector Description JP3, JP4, JP5 and JP6 Full pins extension connectors on the NuMaker-M2L31SG. NU1, NU2, NU3 and Arduino UNO compatible pins on the NuMaker-M2L31SG. Table 3-1 Extension Connectors 3.3.1 Pin Assignment for Extension Connectors The NuMaker-M2L31SG provides the M2L31SG4AE onboard and extension connectors (JP3, JP4, JP5 and JP6).
  • Page 12 NuMaker-M2L31SG M2L31SG4AE Header Pin No. Function PB.6/EADC0_CH6/LPADC0_CH6/ACMP2_P2/EBI_nWRH/UART1_RXD/EBI_nCS1/EPWM1_BRAK JP3.1 E1/EPWM1_CH5/INT4/ACMP1_O PB.5/EADC0_CH5/LPADC0_CH5/ACMP1_N/OPA1_P1/EBI_ADR0/SPI1_MISO/I2C0_SCL/UART5_ JP3.2 TXD/EPWM0_CH0/UART2_TXD/TM0/INT0/LPI2C0_SCL/LPTM0 PB.4/EADC0_CH4/LPADC0_CH4/ACMP1_P1/EBI_ADR1/SPI1_MOSI/I2C0_SDA/UART5_RXD/EP JP3.3 WM0_CH1/UART2_RXD/TM1/INT1/LPI2C0_SDA/LPTM1 PB.3/EADC0_CH3/LPADC0_CH3/ACMP0_N/EBI_ADR2/I2C1_SCL/SPI1_CLK/UART1_TXD/UART5 JP3.4 _nRTS/EPWM0_CH2/TM2/INT2/LPIO7 PB.2/EADC0_CH2/LPADC0_CH2/ACMP0_P1/OPA0_O/WPPIN/EBI_ADR3/I2C1_SDA/SPI1_SS/UA JP3.5 RT1_RXD/UART5_nCTS/EPWM0_CH3/TM3/INT3/LPIO6 PB.1/EADC0_CH1/LPADC0_CH1/ACMP2_N/OPA0_N0/EBI_ADR8/UART2_TXD/I2C1_SCL/QSPI0_ JP3.6 MISO1/EPWM0_CH4/EPWM1_CH4/EPWM0_BRAKE0/UTCPD0_VBDCHG/LPIO3 PB.0/EADC0_CH0/LPADC0_CH0/ACMP2_P1/OPA0_P0/EBI_ADR9/USCI0_CTL0/UART2_RXD/SPI JP3.7 0_I2SMCLK/I2C1_SDA/QSPI0_MOSI1/EPWM0_CH5/EPWM1_CH5/EPWM0_BRAKE1/UTCPD0_V CNEN2/LPIO2 PA.11/EADC0_CH23/LPADC0_CH23/ACMP0_P0/EBI_nRD/USCI0_CLK/EPWM0_SYNC_OUT/TM0 JP3.8 _EXT/LPTM0_EXT PA.10/EADC0_CH22/LPADC0_CH22/ACMP1_P0/OPA1_O/EBI_nWR/USCI0_DAT0/EQEI1_INDEX/ JP3.9 ECAP0_IC0/TM1_EXT/DAC0_ST/LPTM1_EXT PA.9/EADC0_CH21/LPADC0_CH21/ACMP2_P0/OPA1_N0/EBI_MCLK/USCI0_DAT1/UART1_TXD/ JP3.10 EQEI1_A/ECAP0_IC1/TM2_EXT PA.8/EADC0_CH20/LPADC0_CH20/OPA1_P0/EBI_ALE/USCI0_CTL1/UART1_RXD/EQEI1_B/ECA JP3.11 P0_IC2/TM3_EXT/INT4 PF.6/EBI_ADR19/SPI0_MOSI/UART4_RXD/EBI_nCS0/EPWM1_BRAKE0/TAMPER0/EPWM0_BRA JP3.12 KE0/EPWM0_CH4/CLKO...
  • Page 13 NuMaker-M2L31SG M2L31SG4AE Header Pin No. Function PA.2/QSPI0_CLK/SPI0_CLK/UART4_RXD/I2C0_SMBSUS/UART1_RXD/I2C1_SDA/EQEI0_A/EPW JP5.14 M0_CH3/UTCPD0_VBSRCEN/LPSPI0_CLK JP5.15 DDIO JP5.16 nRESET PF.0/UART1_TXD/I2C1_SCL/UART0_TXD/EPWM1_CH4/ICE_DAT/UTCPD0_FRSTX2/UTCPD0_DI JP4.1 SCHG/LPUART0_TXD/LPIO2 PF.1/UART1_RXD/I2C1_SDA/UART0_RXD/EPWM1_CH5/ICE_CLK/UTCPD0_FRSTX1/UTCPD0_D JP4.2 ISCHG/LPUART0_RXD/LPIO3 PC.5/EBI_AD5/QSPI0_MISO1/UART2_TXD/I2C1_SCL/CANFD0_TXD/UART4_TXD/EPWM1_CH0/ JP4.3 UTCPD0_FRSTX2/UTCPD0_DISCHG PC.4/EBI_AD4/QSPI0_MOSI1/SPI1_I2SMCLK/UART2_RXD/I2C1_SDA/CANFD0_RXD/UART4_RX JP4.4 D/EPWM1_CH1/UTCPD0_FRSTX1/UTCPD0_DISCHG PC.3/EBI_AD3/QSPI0_SS/SPI1_MISO/UART2_nRTS/I2C0_SMBAL/UART3_TXD/EPWM1_CH2/UT JP4.5 CPD0_CCDB2 PC.2/EBI_AD2/QSPI0_CLK/SPI1_MOSI/UART2_nCTS/I2C0_SMBSUS/EQEI0_INDEX/UART3_RXD JP4.6 /EPWM1_CH3/ECAP0_IC0/UTCPD0_CCDB1 PC.1/EBI_AD1/QSPI0_MISO0/SPI1_CLK/UART2_TXD/I2C0_SCL/EQEI0_A/EPWM1_CH4/ECAP0_I JP4.7 C1/ACMP0_O/EADC0_ST/UTCPD0_CC2/LPI2C0_SCL/LPIO5 PC.0/EBI_AD0/QSPI0_MOSI0/SPI1_SS/UART2_RXD/I2C0_SDA/EQEI0_B/EPWM1_CH5/ECAP0_I JP4.8 C2/ACMP1_O/UTCPD0_CC1/LPI2C0_SDA/LPIO4 JP4.9 PD.3/EBI_AD10/USCI0_CTL1/SPI0_SS/UART3_nRTS/UART0_TXD/LPSPI0_SS/LPUART0_TXD PD.2/EBI_AD11/USCI0_DAT1/SPI0_CLK/UART3_nCTS/UART0_RXD/LPSPI0_CLK/LPUART0_RX JP4.10 JP4.11 PD.1/EBI_AD12/USCI0_DAT0/SPI0_MISO/UART3_TXD/LPSPI0_MISO/LPIO7...

  • Page 14: Table 3-2 M2L31Sg4Ae Full-Pin Extension Connectors And Gpio Function List

    NuMaker-M2L31SG M2L31SG4AE Header Pin No. Function PB.10/EADC0_CH10/LPADC0_CH10/EBI_ADR17/UART0_nRTS/UART4_RXD/I2C1_SDA/LPUART JP6.13 0_nRTS JP6.14 PB.9/EADC0_CH9/LPADC0_CH9/EBI_ADR18/UART0_TXD/UART1_nCTS/LPUART0_TXD JP6.15 PB.8/EADC0_CH8/LPADC0_CH8/EBI_ADR19/UART0_RXD/UART1_nRTS/LPUART0_RXD PB.7/EADC0_CH7/LPADC0_CH7/ACMP2_P3/EBI_nWRL/UART1_TXD/EBI_nCS0/EPWM1_BRAKE JP6.16 0/EPWM1_CH4/INT5/ACMP0_O Table 3-2 M2L31SG4AE Full-pin Extension Connectors and GPIO Function List Dec. 20, 2024 Page 14 of 48 Rev 1.00...

  • Page 15: 3.3.2 Arduino Uno Compatible Extension Connectors

    NuMaker-M2L31SG 3.3.2 Arduino UNO Compatible Extension Connectors Figure 3-4 shows the Arduino UNO compatible extension connectors. MOSI GPIO PD.0 PB.14 SPI0_MOSI MISO RESET PD.1 PD.2 nRESET PD.3 SPI0_MISO SPI0_CLK SPI0_SS UART1_RXD PA.8 PB.3 EADC0_CH3 I2C1_SCL UART1_TXD UART1_TXD PA.9 PB.2 EADC0_CH2 I2C1_SDA UART1_RXD EPWM1_CH1...

  • Page 16: Table 3-3 Arduino Uno Extension Connectors And M2L31Sg4Ae Mapping Gpio List

    NuMaker-M2L31SG NuMaker-M2L31SG NuMaker-M2L31SG Header Header Compatible to GPIO Pin of Compatible to GPIO Pin of M2L31 Arduino UNO M2L31 Arduino UNO NU3.1 NU2.6 NU3.2 NU2.5 NU3.3 NU2.4 NU3.4 NU2.3 NU3.5 NU2.2 NU3.6 NU2.1 NU3.7 PA10 NU1.8 NU3.8 PA11 NU1.7 NU4.1 NU1.6 NU4.2 NU1.5...

  • Page 17: Power Supply Configuration

    NuMaker-M2L31SG Power Supply Configuration The NuMaker-M2L31SG is able to adopt multiple power supplies. External power sources include NU1 Vin (7V to 48V), V (depending on the target chip operating voltage), and PC through USB connector. By using switches and voltage regulator, multiple power domains can be created on the NuMaker- M2L31SG.

  • Page 18: Power Sources

    NuMaker-M2L31SG 3.4.3 3.3V Power Sources Table 3-6 presents the 3.3V power sources. Voltage 5 V Source Description Regulator ICEUP1 converts USB_HS_VBUS to 3.3V and supplies ICEUP1 USB_HS_VBUS 3.3V to M2L31SG target board or ICE chip. UP1 converts USB_VBUS to 3.3V and supplies 3.3V to M2L31SG target board.

  • Page 19: Usb Connectors

    NuMaker-M2L31SG 3.4.6 USB Connectors Table 3-9 presents the USB connectors. Connector Description ICE USB connector on Nu-Link2-Me for power supply, debugging and ICEJ2 programming from PC. USB PWR connector on NuMaker-M2L31SG is for USB PD3.0 power supply or general 5V V power supply.

  • Page 20: Figure 3-5 External Power Supply Sources On Nu-Link2-Me

    NuMaker-M2L31SG ICE USB Connector (ICEJ4) Nu-Link2-Me Figure 3-5 External Power Supply Sources on Nu-Link2-Me To use ICEJ4 as external power supply source with Nu-Link2-Me, please follow the steps below: Solder the resistor on ICEJPR1 (MCUVCC) depending on the target chip operating voltage. Solder the resistor on ICEJPR2 (ICEVCC) depending on the ICE chip operating voltage.

  • Page 21: Figure 3-6 External Power Supply Sources On M2L31Sg Target Board

    NuMaker-M2L31SG External V Connector (JP1) USB Power Connector (J2) External V Connector (JP2) NU1 pin8 (Vin) Figure 3-6 External Power Supply Sources on M2L31SG Target Board To use Vin or J2 as external power supply source, please follow the steps below: Switch the SW2 depending on the target chip operating voltage.

  • Page 22: Figure 3-7 Detach The Nu-Link2-Me From Numaker-M2L31Sg

    NuMaker-M2L31SG External V Connector (JP1) USB Power Connector (J2) " External V Connector (JP2) Detach Nu-Link2-Me NU1 pin8 (Vin) Figure 3-7 Detach the Nu-Link2-Me from NuMaker-M2L31SG Dec. 20, 2024 Page 22 of 48 Rev 1.00...

  • Page 23: Ammeter Connector

    NuMaker-M2L31SG Table 3-12 presents all power models when supplies external power through M2L31SG target board. The M2L31SG target board external power sources are highlighted in yellow. ICEJPR1 ICEJPR2 Target Chip ICE Chip Model ICEJ2 (MCUVCC) (ICEVCC) Voltage Selection Voltage Selection Selection 7V ~ 48V Remove...

  • Page 24: Push Buttons

    NuMaker-M2L31SG Figure 3-8 Wiring between Ammeter Connector and Ammeter  M2L31_Series_BSP_CMSIS_V3.XX.XXX  SampleCode  StdDriver  SYS_PowerDown_MinCurrent Figure 3-9 Project Path of SYS_PowerDown_MinCurrent Push Buttons Table 3-14 presents the push buttons. Component Description ICESW1 Offline program button to start offline ICP programming the target chip. Reset button to reset the target chip.

  • Page 25: Leds

    NuMaker-M2L31SG LEDs Table 3-15 presents the LEDs. Component Description Power LED The power LED indicates that the NuMaker-M2L31SG is powered. PC14 LED The LED is connected to the target chip PC.14. ICES0, ICES1, ICES2 Nu-Link2-Me status LED. and ICES3 Table 3-15 LEDs Nu-Link2-Me The Nu-Link2-Me is an attached on-board debugger and programmer.

  • Page 26: Status Leds

    NuMaker-M2L31SG 3.8.2 Status LEDs Table 3-15 presents the status LEDs patterns for different operation on Nu-Link2-Me. Status LED Operation Status ICES0 ICES1 ICES2 ICES3 Boot Flash x 3 Flash x 3 Flash x 3 Flash x 3 Idle One Nu-Link2-Me is selected to connect Flash x 3 Flash x 3 Flash x 3...

  • Page 27: Quick Start

    KEIL MDK Nuvoton edition M0/M23 ⚫ IAR EWARM ⚫ NuEclipse GCC (for Windows) ⚫ NuEclipse GCC (for Linux) Nuvoton Nu-Link Driver Installation Download and install the latest Nuvoton Nu-Link Driver. ⚫ Download and install Nu-Link_Keil_Driver when using Keil MDK. ⚫ Download and install Nu-Link_IAR_Driver when using IAR EWARM.

  • Page 28: Figure 4-2 Nu-Link Usb Driver Installation

    NuMaker-M2L31SG Figure 4-2 Nu-Link USB Driver Installation Dec. 20, 2024 Page 28 of 48 Rev 1.00...

  • Page 29: Bsp Firmware Download

    NuMaker-M2L31SG BSP Firmware Download Download and unzip the Board Support Package (BSP). Hardware Setup 1. Open the virtual COM (VCOM) function by changing Nu-Link2-Me VCOM Switch No. 1 and 2 to ON. Figure 4-3 Open VCOM Function 2. Connect the ICE USB connector shown in Figure 4-4 to the PC USB port through a USB cable.

  • Page 30: Figure 4-5 Device Manger

    NuMaker-M2L31SG Find the “Nuvoton Virtual COM Port” on the Device Manger as Figure 4-5. Figure 4-5 Device Manger 4. Open a serial port terminal, PuTTY for example, to print out debug message. Set the speed to 115200. Figure 4-6 presents the PuTTY session setting.

  • Page 31: Find The Example Project

    NuMaker-M2L31SG Find the Example Project Use the “Template” project as an example. The project can be found under the BSP folder as shown in Figure 4-7.  M2L31_Series_BSP_CMSIS_V3.XX.XXX  SampleCode Template    Keil  Figure 4-7 Template Project Folder Path Execute the Project under Toolchains Open and execute the project under the toolchain.

  • Page 32: Figure 4-9 Project File Migrate To Version 5 Format

    NuMaker-M2L31SG Figure 4-9 Project File Migrate to Version 5 Format 2. Make sure the debugger is “Nuvoton Nu-Link Debugger” as shown in Figure 4-10 and Figure 4-11. Figure 4-10 Debugger Setting in Options Window Note: If the dropdown menu in Figure 4-10 does not contain “Nuvoton Nu-Link Debugger” item, please rework section 4.2.

  • Page 33: Figure 4-11 Programming Setting In Options Window

    NuMaker-M2L31SG Figure 4-11 Programming Setting in Options Window 3. Rebuild all target files. After successfully compiling the project, download code to the Flash memory. Click “Start/Stop Debug Section” button to enter debug mode. 1. Rebuild 2. Successfully compile 3. Download 4.

  • Page 34: Figure 4-13 Keil Mdk Debug Mode

    NuMaker-M2L31SG 4. Figure 4-13 shows the debug mode under Keil MDK. Click “Run” and the debug message will be printed out as shown in Figure 4-14. User can debug the project under debug mode by checking source code, assembly language, peripherals’ registers, and setting breakpoint, step run, value monitor, etc.

  • Page 35: Iar Ewarm

    NuMaker-M2L31SG 4.6.2 IAR EWARM This section provides steps to beginners on how to run a project by using IAR EWARM. Double click the “Template.eww” to open the project. Make sure the toolbar contains “Nu-Link” item as shown in Figure 4-15. Note: If the toolbar does not contain “Nu-Link”...

  • Page 36: Figure 4-17 Iar Ewarm Debug Mode

    NuMaker-M2L31SG 4. Figure 4-17 shows the debug mode under IAR EWARN. Click “Go” and the debug message will be printed out as shown in Figure 4-18. User can debug the project under debug mode by checking source code, assembly language, peripherals’ registers, and setting breakpoint, step run, value monitor, etc.

  • Page 37: Nueclipse

    NuMaker-M2L31SG 4.6.3 NuEclipse This section provides steps to beginners on how to run a project by using NuEclipse. Please make sure the filenames and project folder path contain neither invalid character nor space. Double-click “NuEclipse.exe" to open the toolchain. Import the “Template” project by following the steps presented in Figure 4-19 and Figure 4-20. Figure 4-19 Import the Project in NuEclipse Figure 4-20 Import Projects Windows Dec.

  • Page 38: Figure 4-21 Open Project Properties Window

    NuMaker-M2L31SG 3. Click the “Template” project and find the project properties as shown in Figure 4-21. Make sure the settings are the same as settings in Figure 4-22. Figure 4-21 Open Project Properties Window Figure 4-22 Project Properties Settings Dec. 20, 2024 Page 38 of 48 Rev 1.00...

  • Page 39: Figure 4-23 Build Project

    NuMaker-M2L31SG Click the “Template” project and build the project. Figure 4-23 Build Project 5. After the project is built, click the “Template” project and set the “Debug Configuration” as shown in Figure 4-24. Follow the settings presented in Figure 4-25, Figure 4-26 and Figure 4-27 to enter debug mode.

  • Page 40: Figure 4-25 Main Tab Configuration

    NuMaker-M2L31SG Note 1: Double-click the “GDB Nuvoton Nu-Link Debugging” to create the sub item. Note 2: After the project is built, the “*.elf” file will be shown in “C/C++ Application” frame. Figure 4-25 Main Tab Configuration Figure 4-26 Debugger Tab Configuration Dec.

  • Page 41: Figure 4-27 Startup Tab Configuration

    NuMaker-M2L31SG Note: User must follow those settings highlighted in green, and configure other settings depending on the needs. Figure 4-27 Startup Tab Configuration Dec. 20, 2024 Page 41 of 48 Rev 1.00...

  • Page 42: Figure 4-28 Nueclipse Debug Mode

    NuMaker-M2L31SG 6. Figure 4-28 shows the debug mode under NuEclipse. Click “Resume” and the debug message will be printed out as shown in Figure 4-29. User can debug the project under debug mode by checking source code, assembly language, peripherals’ registers, and setting breakpoint, step run, value monitor, etc.

  • Page 43: Numaker-M2L31Sg Schematics

    NuMaker-M2L31SG NUMAKER-M2L31SG SCHEMATICS Nu-Link2-Me Figure 5-1 shows the Nu-Link2-Me circuit. 3.3V USB 2.0 HIGH SPEED DEVICES ICER1 USB_HS_VBUS O f f - page C onnect or 200 1% USB_HS_CAP R0603 USB_HS_VBUS ICE5V ICEJ5 ICEJ4 USB_TY PE_C_SMD(12401548E4#2A) ICEC1 ICEC2 ICEC13 ICE5V 0.1u USB_HS_VBUS USB_HS_VBUS...

  • Page 44: M2L31Sg Target Board

    NuMaker-M2L31SG M2L31SG Target Board Figure 5-2 shows the M2L31SG target board circuit. P1 - P32 P65 - P96 O f f - page C onnect or ICE_TXD0 ICE_MCU_TX ICE_RXD0 ICE_MCU_RX PF0_ICE_DAT ICE_VDD PB5_NU2_A2 TICEDAT MCUVCC_DIODE PF1_ICE_CLK ICE_DAT PB4_NU2_A3 TICECLK ICE_TICEDAT ICE_CLK PB3_NU2_A5/SCL/TX ICE_TICECLK...

  • Page 45: Figure 5-3 Extension Connectors Circuit

    NuMaker-M2L31SG Extension Connectors Figure 5-3 shows extension connectors of NuMaker-M2L31SG. P1 - P32 P65 - P96 PB5_NU2_A2 PB4_NU2_A3 TICEDAT TICECLK PA5_NU4_SCL I2C_SCL PB3_NU2_A5/SCL/TX PB2_NU2_A4/SDA/RX PA4_NU4_SDA I2C_SDA PC12 PC11 PC5_NU3_D3 PC4_NU3_D2 VREF VREF PC10 PC3_NU5_MISO/CCDB2 PC2_NU5_MOSI/CCDB1 MCUVCC_DIODE PB1_NU3_D8 PB0_NU3_D9 PC1_NU5_CLK/CC2 PC0_NU5_SS/CC1 TICERST PA2_NU4_D13/CLK MCU_RESET...

  • Page 46: Pcb Placement

    NuMaker-M2L31SG PCB Placement Figure 5-4 and Figure 5-5 show the front and rear placement of NuMaker-M2L31SG. Figure 5-4 Front Placement Figure 5-5 Rear Placement Dec. 20, 2024 Page 46 of 48 Rev 1.00...

  • Page 47: Revision History

    NuMaker-M2L31SG REVISION HISTORY Date Revision Description 2024.12.20 1.00 Initial version. Dec. 20, 2024 Page 47 of 48 Rev 1.00...

  • Page 48: Important Notice

    NuMaker-M2L31SG Important Notice Nuvoton Products are neither intended nor warranted for usage in systems or equipment, any malfunction or failure of which may cause loss of human life, bodily injury or severe property damage. Such applications are deemed, “Insecure Usage”.

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