Nuvoton NuMaker-M251KG User Manual

Nuvoton NuMaker-M251KG User Manual

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NuMaker-M251KG
®
®
ARM
Cortex
-M
32-bit Microcontroller
NuMaker-M251KG
User Manual
®
NuMicro
M251 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 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
Aug.
08, 2020
Page 1 of 49
Rev 1.00

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Summary of Contents for Nuvoton NuMaker-M251KG

  • 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 based system design. Nuvoton assumes no responsibility for errors or omissions.
  • Page 2: Table Of Contents

    Status LEDs ....................27 3.11.2 Quick Start ..................28 Toolchains Supporting ................28 Nuvoton Nu-Link Driver Installation ..............28 BSP Firmware Download ................30 Hardware Setup ..................30 Find the Example Project ................32 Execute the Project under Toolchains ............. 32 Aug.
  • Page 3 NuMaker-M251KG Keil MDK ....................... 32 4.6.1 IAR EWARM ....................36 4.6.2 NuEclipse ...................... 37 4.6.3 NuMaker-M251KG Schematics ..............44 Nu-Link2-Me ................... 44 M251 platform ..................45 Extension Connector ................. 46 PCB Placement ..................47 REVISION HISTORY ................48 Aug. 08, 2020 Page 3 of 49 Rev 1.00...
  • Page 4 Figure 3-5 External Power Supply Sources on Nu-Link2-Me ............22 Figure 3-6 External Power Supply Sources on M251 platform ............23 Figure 3-7 Separate the Nu-Link2-Me from NuMaker-M251KG ............ 24 Figure 3-8 Wiring between Ammeter Connector and Ammeter ............. 25 Figure 4-1 Nu-Link USB Driver Installation Setup ................
  • Page 5 NuMaker-M251KG Figure 4-28 NuEclipse Debug Mode ....................43 Figure 4-29 Debug Message on Serial Port Terminal Windows ............ 43 Figure 5-1 Nu-Link2-Me Circuit ...................... 44 Figure 5-2 M251 platform Circuit....................45 Figure 5-3 Extension Connectors Circuit ..................46 Figure 5-5 Front Placement ......................47 Figure 5-6 Rear Placement ......................
  • Page 6 NuMaker-M251KG List of Tables Table 3-1 Extension Connectors ....................11 Table 3-2 M251KG6AE Full-pin Extension Connectors and GPIO Function List ......16 Table 3-3 Arduino UNO Extension Connectors and M251KG6AE Mapping GPIO List ....18 Table 3-4 Vin Power Source ......................19 Table 3-5 5V Power Sources ......................
  • Page 7: Overview

    The NuMaker-M251KG is a development board for Nuvoton NuMicro ® M251 microcontrollers module. The NuMaker-M251KG consists of two parts: a M251 platform and an on-board Nu-Link2-Me debugger and programmer. The NuMaker-M251KG is designed for project evaluation, prototype development and validation with power consumption monitoring function.
  • Page 8: Features

    NuMaker-M251KG FEATURES  ® NuMicro M251KG6AE microcontroller with function compatible with:  M251SG6AE  M251LG6AE  M251KG6AE extension connectors  Arduino UNO compatible extension connectors Ammeter connector for measuring the microcontroller’s power consumption   Fixable board power supply: ...
  • Page 9: Hardware Configuration

    Nu-Link2-Me Target Chip: M251KG6AE Target Chip Extension Connector Figure 3-1 Front View of NuMaker-M251KG Figure 3-1 shows the main components and connectors from the front side of NuMaker-M251KG. The following lists components and connectors from the front view:  Target Chip: M251KG6AE(U1) ...
  • Page 10: Rear View

    NuMaker-M251KG Rear View Figure 3-2 shows the main components and connectors from the rear side of NuMaker-M251KG. The following lists components and connectors from the rear view:  Nu-Link2-Me  MCUVCC Power Switch (ICEJPR1)  ICEVCC Power Switch (ICEJPR2) ICEVCC Power Switch...
  • Page 11: Extension Connectors

    Table 3-1 Extension Connectors 3.3.1 Pin Assignment for Extension Connectors The NuMaker-M251KG provides the M251KG6AE target chip onboard and full pins extension connectors (JP3, JP4, JP5 and JP6). The Figure 3-3 shows the M251KG6AE extension connectors. Pin17 ~ Pin32 Pin1 ~ Pin16...
  • Page 12 NuMaker-M251KG M251KG6AE Header Pin No. Function PB.5/EADC0_CH5/ACMP1_N/EBI_ADR0/I2C0_SCL/USCI1_CTL0/SC0_CLK/PWM0_CH0/PSIO0_C JP3.1 H4/UART2_TXD/TM0/INT0 PB.4/EADC0_CH4/ACMP1_P1/EBI_ADR1/I2C0_SDA/USCI1_CTL1/SC0_DAT/PWM0_CH1/PSIO0_ JP3.2 CH5/UART2_RXD/TM1/INT1 PB.3/EADC0_CH3/ACMP0_N/EBI_ADR2/I2C1_SCL/UART1_TXD/USCI1_DAT1/SC0_RST/PWM0_ JP3.3 CH2/PSIO0_CH6/PWM0_BRAKE0/TM2/INT2 PB.2/EADC0_CH2/ACMP0_P1/OPA0_O/EBI_ADR3/I2C1_SDA/UART1_RXD/USCI1_DAT0/SC0_P JP3.4 WR/PWM0_CH3/PSIO0_CH7/TM3/INT3 PC.12/EBI_ADR4/UART0_TXD/I2C0_SCL/SC0_nCD/PWM1_CH0/ACMP0_O JP3.5 PC.11/EBI_ADR5/UART0_RXD/I2C0_SDA/PWM1_CH1/ACMP1_O JP3.6 PC.10/EBI_ADR6/PWM1_CH2 JP3.7 PC.9/EBI_ADR7/PWM1_CH3 JP3.8 PB.1/EADC0_CH1/OPA0_N/EBI_ADR8/UART2_TXD/USCI1_CLK/I2C1_SCL/QSPI0_MISO1/PWM0 JP3.9 _CH4/PWM1_CH4/PWM0_BRAKE0 PB.0/EADC0_CH0/OPA0_P/EBI_ADR9/UART2_RXD/SPI0_I2SMCLK/I2C1_SDA/QSPI0_MOSI1/P JP3.10 WM0_CH5/PWM1_CH5/PWM0_BRAKE1 JP3.11 JP3.12 PA.11/ACMP0_P0/EBI_nRD/USCI0_CLK/BPWM0_CH0/TM0_EXT JP3.13 PA.10/ACMP1_P0/EBI_nWR/USCI0_DAT0/BPWM0_CH1/TM1_EXT/DAC0_ST JP3.14 PA.9/EBI_MCLK/USCI0_DAT1/UART1_TXD/BPWM0_CH2/TM2_EXT JP3.15 PA.8/EBI_ALE/USCI0_CTL1/UART1_RXD/BPWM0_CH3/TM3_EXT/INT4...
  • Page 13 NuMaker-M251KG M251KG6AE Header Pin No. Function JP3.30 PF.5/UART2_RXD/UART2_nCTS/PWM0_CH0/BPWM0_CH4/X32_IN/EADC0_ST JP3.31 PF.4/UART2_TXD/UART2_nRTS/PWM0_CH1/BPWM0_CH5/X32_OUT JP3.32 JP5.1 JP5.2 JP5.3 JP5.4 PF.3/EBI_nCS0/UART0_TXD/I2C0_SCL/XT1_IN/BPWM1_CH0 JP5.5 PF.2/EBI_nCS1/UART0_RXD/I2C0_SDA/QSPI0_CLK/XT1_OUT/BPWM1_CH1 JP5.6 JP5.7 JP5.8 PE.8/EBI_ADR10/USCI1_CTL1/UART2_TXD/PWM0_CH0/PWM0_BRAKE0 JP5.9 PE.9/EBI_ADR11/USCI1_CTL0/UART2_RXD/PWM0_CH1/PWM0_BRAKE1 JP5.10 PE.10/EBI_ADR12/USCI1_DAT0/PWM0_CH2/PWM1_BRAKE0 JP5.11 PE.11/EBI_ADR13/USCI1_DAT1/UART1_nCTS/PWM0_CH3/PWM1_BRAKE1 JP5.12 PE.12/EBI_ADR14/USCI1_CLK/UART1_nRTS/PWM0_CH4 JP5.13 PE.13/EBI_ADR15/I2C0_SCL/UART1_TXD/PWM0_CH5/PWM1_CH0/BPWM1_CH5 JP5.14 PC.8/EBI_ADR16/I2C0_SDA/UART1_RXD/PWM1_CH1/BPWM1_CH4 JP5.15 PC.7/EBI_AD9/UART0_nCTS/I2C1_SMBAL/PWM1_CH2/BPWM1_CH0/TM0/INT3 JP5.16 PC.6/EBI_AD8/UART0_nRTS/I2C1_SMBSUS/PWM1_CH3/BPWM1_CH1/TM1/INT2 JP5.17 PA.7/EBI_AD7/UART0_TXD/I2C1_SCL/PWM1_CH4/BPWM1_CH2/ACMP0_WLAT/TM2/INT1 JP5.18...
  • Page 14 NuMaker-M251KG M251KG6AE Header Pin No. Function BPWM0_CH0/PWM0_CH5/DAC0_ST JP5.29 DDIO PE.14/EBI_AD8/UART2_TXD/PSIO0_CH0 JP5.30 PE.15/EBI_AD9/UART2_RXD/PSIO0_CH1 JP5.31 nRESET JP5.32 Note: It is recommended to use 10 kΩ pull-up resistor and 10 uF capacitor on nRESET pin. PF.0/UART1_TXD/I2C1_SCL/UART0_TXD/BPWM1_CH0/ICE_DAT JP4.1 Note: It is recommended to use 100 kΩ pull-up resistor on ICE_DAT pin.
  • Page 15 NuMaker-M251KG M251KG6AE Header Pin No. Function PD.1/EBI_AD12/USCI0_DAT0/SPI0_MISO JP4.26 PD.0/EBI_AD13/USCI0_CLK/SPI0_MOSI/TM2 JP4.27 PD.13/EBI_AD10/SPI0_I2SMCLK/USCI2_CTL0 JP4.28 PA.12/I2C1_SCL/USCI2_DAT1/PSIO0_CH4/BPWM1_CH2 JP4.29 PA.13/I2C1_SDA/USCI2_DAT0/PSIO0_CH5/BPWM1_CH3 JP4.30 PA.14/UART0_TXD/USCI2_CLK/PSIO0_CH6/BPWM1_CH4 JP4.31 PA.15/UART0_RXD/USCI2_CTL1/PSIO0_CH7/BPWM1_CH5 JP4.32 PE.7/PSIO0_CH0/PWM0_CH0/BPWM0_CH5 JP6.1 PE.6/SC0_nCD/USCI0_CTL0/PSIO0_CH1/PWM0_CH1/BPWM0_CH4 JP6.2 PE.5/EBI_nRD/SC0_PWR/USCI0_CTL1/PSIO0_CH2/PWM0_CH2/BPWM0_CH3 JP6.3 PE.4/EBI_nWR/SC0_RST/USCI0_DAT1/PSIO0_CH3/PWM0_CH3/BPWM0_CH2 JP6.4 PE.3/EBI_MCLK/SC0_DAT/USCI0_DAT0/PWM0_CH4/BPWM0_CH1 JP6.5 PE.2/EBI_ALE/SC0_CLK/USCI0_CLK/USCI2_CTL0/PWM0_CH5/BPWM0_CH0 JP6.6 JP6.7 JP6.8 PE.1/EBI_AD10/QSPI0_MISO0/I2C1_SCL/USCI2_DAT1 JP6.9 PE.0/EBI_AD11/QSPI0_MOSI0/I2C1_SDA/USCI2_DAT0 JP6.10 JP6.11 JP6.12 JP6.13...
  • Page 16: Table 3-2 M251Kg6Ae Full-Pin Extension Connectors And Gpio Function List

    NuMaker-M251KG M251KG6AE Header Pin No. Function JP6.25 JP6.26 PB.11/EADC0_CH11/EBI_ADR16/UART0_nCTS/I2C1_SCL/SPI0_I2SMCLK/BPWM1_CH0 JP6.27 PB.10/EADC0_CH10/EBI_ADR17/USCI1_CTL0/UART0_nRTS/I2C1_SDA/BPWM1_CH1 JP6.28 PB.9/EADC0_CH9/EBI_ADR18/USCI1_CTL1/UART0_TXD/UART1_nCTS/I2C1_SMBAL/BPWM1_C JP6.29 PB.8/EADC0_CH8/EBI_ADR19/USCI1_CLK/UART0_RXD/UART1_nRTS/I2C1_SMBSUS/BPWM1_ JP6.30 PB.7/EADC0_CH7/EBI_nWRL/USCI1_DAT0/UART1_TXD/EBI_nCS0/BPWM1_CH4/PWM1_BRAKE JP6.31 0/PWM1_CH4/INT5/ACMP0_O PB.6/EADC0_CH6/EBI_nWRH/USCI1_DAT1/UART1_RXD/EBI_nCS1/BPWM1_CH5/PWM1_BRAK JP6.32 E1/PWM1_CH5/INT4/ACMP1_O Table 3-2 M251KG6AE Full-pin Extension Connectors and GPIO Function List Aug. 08, 2020 Page 16 of 49 Rev 1.00...
  • Page 17: Arduino Uno Compatible Extension Connectors

    NuMaker-M251KG 3.3.2 Arduino UNO Compatible Extension Connectors Figure 3-4 shows the Arduino UNO compatible extension connectors. MOSI PA.10 PB.15 USCI0_DAT0 MISO RESET PA.9 PA.11 nRESET PA.8 USCI0_DAT1 USCI0_CLK PB.1 EADC0_CH1 I2C1_SCL UART2_TXD UART1_RXD PWM0_CH3 PB.2 PB.0 EADC0_CH0 I2C1_SDA UART2_RXD UART1_TXD PWM0_CH2 PB.3...
  • Page 18: Table 3-3 Arduino Uno Extension Connectors And M251Kg6Ae Mapping Gpio List

    NuMaker-M251KG NuMaker-M251KG NuMaker-M251KG Header Header Compatible to Compatible to GPIO Pin of M251 GPIO Pin of M251 Arduino UNO Arduino UNO NU3.1 PB.2 NU2.6 PB.1 NU3.2 PB.3 NU2.5 PB.0 NU3.3 PC.4 NU2.4 PB.4 NU3.4 PC.5 NU2.3 PB.5 NU3.5 PC.3 NU2.2 PB.6...
  • Page 19: Power Supply Configuration

    NuMaker-M251KG Power Supply Configuration The NuMaker-M251KG is able to adopt multiple power supply. External power source includes NU1 Vin (7 V to 12 V), VDD (depends on target chip operating voltage), and PC through USB connector. By using switches and voltage regulator, multiple power domains can be created on the NuMaker- M251KG.
  • Page 20: Power Sources

    ICE USB connector supplies 5 V power from PC to ICEJ3 USB_HS_VBUS M251 platform and Nu-Link2-Me. USB connector on NuMaker-M251KG supplies 5 V USB_VBUS power from PC to M251 platform and Nu-Link2-Me. ICEJ3, J2 or NU1 pin8 supplies 5 V power to NU1 pin5.
  • Page 21: Power Connectors

    Table 3-9 presents the USB connectors. Connector Comment ICE USB connector on Nu-Link2-Me for power supply, debugging and ICEJ3 programming from PC. USB PWR connector on NuMaker-M251KG for power supply. Table 3-9 USB Connectors 3.4.7 Power Switches Table 3-10 presents the power switches. Switch...
  • Page 22: Power Supply Models

    NuMaker-M251KG 3.4.8 Power Supply Models External Power Supply through Nu-Link2-Me to Target Chip The external power supply source on Nu-Link2-Me is shown in Figure 3-5. ICE USB Connector (ICEJ3) Nu-Link2-Me Figure 3-5 External Power Supply Sources on Nu-Link2-Me To use ICEJ3 as external power supply source with Nu-Link2-Me, please follow the below steps: 1.
  • Page 23: Figure 3-6 External Power Supply Sources On M251 Platform

    2. Separate the Nu-Link2-Me from NuMaker-M251KG. 3. Connect the external power supply to Vin or J2. To use JP1 as external power supply source with Nu-Link2-Me separated from NuMaker-M251KG, please follow the below steps: 1. Switch the SW2 to OFF.
  • Page 24: Figure 3-7 Separate The Nu-Link2-Me From Numaker-M251Kg

    Connector " (JP2) Separate Nu-Link2-Me NU1 pin8 (Vin) Figure 3-7 Separate the Nu-Link2-Me from NuMaker-M251KG Table 3-12 presents all power models when supplies external power through M251 platform. The M251 platform external power sources are highlighted in yellow. ICEJPR1 ICEJPR2...
  • Page 25: External Reference Voltage Connector

    NuMaker-M251KG External Reference Voltage Connector Table 3-13 presents the external reference voltage connector. Connector Comment Connector for user to easily connect to the external reference voltage pin VREF1 of the target chip. User needs to remove the L5 ferrite bead.
  • Page 26: Push-Buttons

    Table 3-17 Push-Buttons LEDs Table 3-18 presents the LEDs. Component Comment Power LED The power LED indicates that the NuMaker-M251KG is powered. PB14 LED The LED is connected to the target chip PB.14. ICES0, ICES1, ICES2 Nu-Link2-Me status LED. and ICES3...
  • Page 27: 3.11.2 Status Leds

    NuMaker-M251KG 3.11.2 Status LEDs Table 3-20 presents the status LEDs patterns for different operation on Nu-Link2-Me. Status LED Operation Status ICES0 ICES1 ICES2 ICES3 Power on Flash x 3 Flash x 3 Flash x 3 Flash x 3 Connected to IDE/NuTool...
  • Page 28: 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 29: Figure 4-2 Nu-Link Usb Driver Installation

    NuMaker-M251KG Figure 4-2 Nu-Link USB Driver Installation Aug. 08, 2020 Page 29 of 49 Rev 1.00...
  • Page 30: Bsp Firmware Download

    2. Connect the ICE USB connector shown in Figure 4-4 to the PC USB port through USB cable. Figure 4-4 ICE USB Connector 3. Find the “Nuvoton Virtual COM Port” on the Device Manger as Figure 4-5. Aug. 08, 2020 Page 30 of 49 Rev 1.00...
  • Page 31: Figure 4-5 Device Manger

    NuMaker-M251KG 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. Figure 4-6 PuTTY Session Setting Aug. 08, 2020 Page 31 of 49...
  • Page 32: Find The Example Project

    NuMaker-M251KG 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.  M251_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 33: Figure 4-9 Project File Migrate To Version 5 Format

    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. Note: If the dropdown menu in Figure 4-10 does not contain “Nuvoton Nu-Link Debugger” item,...
  • Page 34: Figure 4-11 Programming Setting In Options Window

    NuMaker-M251KG Figure 4-11 Programming Setting in Options Window 3. Rebuild all target files. After successfully compile the project, download code to the flash memory. Click “Start/Stop Debug Section” button can enter debug mode. 1. Rebuild 2. Successfully compile 3. Download 4.
  • Page 35: Figure 4-13 Keil Mdk Debug Mode

    NuMaker-M251KG source code, assembly language, peripherals’ registers, and setting breakpoint, step run, value monitor, etc. 3 1 2 1. Run 2. Stop 3. Reset Figure 4-13 Keil MDK Debug Mode Figure 4-14 Debug Message on Serial Port Terminal Windows Aug.
  • Page 36: Iar Ewarm

    NuMaker-M251KG 4.6.2 IAR EWARM This section provides steps to beginners on how to run a project by using IAR EWARM. 1. Double click the “Template.eww” to open the project. 2. Make sure the toolbar contain “Nu-Link” item as shown in Figure 4-15.
  • Page 37: Nueclipse

    NuMaker-M251KG 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 38: Figure 4-19 Import The Project In Nueclipse

    NuMaker-M251KG Figure 4-19 Import the Project in NuEclipse M251_252_Series_BSP_CMSIS_V3.XX.XXX\SampleCod e\Templ M251_252__Series_BSP_CMSIS_V3.XX.XXX\SampleCode\Te mplate\G Figure 4-20 Import Projects Windows 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.
  • Page 39: Figure 4-21 Open Project Properties Window

    NuMaker-M251KG Figure 4-21 Open Project Properties Window Figure 4-22 Project Properties Settings 4. Click the “Template” project and build the project. Aug. 08, 2020 Page 39 of 49 Rev 1.00...
  • Page 40: Figure 4-23 Build Project

    NuMaker-M251KG 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 41: Figure 4-25 Main Tab Configuration

    NuMaker-M251KG Note 1: Double click the “GDB Nuvoton Nu-Link Debugging” to create the subitem. 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 Aug.
  • Page 42: Figure 4-27 Startup Tab Configuration

    NuMaker-M251KG Note 1: User must follow those settings highlighted in green, and can configure other settings depend on the needs. Figure 4-27 Startup Tab Configuration Aug. 08, 2020 Page 42 of 49 Rev 1.00...
  • Page 43: Figure 4-28 Nueclipse Debug Mode

    NuMaker-M251KG 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 44: Numaker-M251Kg Schematics

    NuMaker-M251KG NUMAKER-M251KG SCHEMATICS Nu-Link2-Me Figure 5-1 shows the Nu-Link2-Me circuit. The Nu-Link2-Me is a debugger and programmer that supports on-line programming and debugging through SWD interface. 3.3V ICER1 O f f - page C onnect or 200 1% USB_HS_CAP R0603...
  • Page 45: M251 Platform

    NuMaker-M251KG M251 platform Figure 5-2 shows the M251 platform circuit. P1 - P32 P65 - P96 PF0_ICE_DAT PB5_NU2_A2 TICEDAT PF1_ICE_CLK PB4_NU2_A3 TICECLK PB3_NU3_D1/TX PB2_NU3_D0/RX PC12 PC5_NU3_D3 PC11 PC4_NU3_D2 PC10 PC3_NU3_D4 PC2_NU3_D5 PB1_NU2_A5/SCL/TX PC1_NU4_SCL nRESET PB0_NU2_A4/SDA/RX PC0_NU4_SDA PE.15/EBI_AD9/UART2_RXD/PSIO0_CH1 VDD_3 VDD_4 PE.14/EBI_AD8/UART2_TXD/PSIO0_CH0...
  • Page 46: Extension Connector

    NuMaker-M251KG Extension Connector Figure 5-3 shows extension connectors of NuMaker-M251KG. P1 - P32 P65 - P96 PB5_NU2_A2 PB4_NU2_A3 TICEDAT TICECLK PC1_NU4_SCL I2C_SCL PB3_NU3_D1/TX PB2_NU3_D0/RX PC0_NU4_SDA I2C_SDA PC12 PC11 PC5_NU3_D3 PC4_NU3_D2 VREF VREF PC10 PC3_NU3_D4 PC2_NU3_D5 MCUVCC_DIODE PB1_NU2_A5/SCL/TX PB0_NU2_A4/SDA/RX PC1_NU4_SCL PC0_NU4_SDA...
  • Page 47: Pcb Placement

    NuMaker-M251KG PCB Placement Figure 5-4 and Figure 5-5 show the front and rear placement of NuMaker-M251KG. Figure 5-4 Front Placement Figure 5-5 Rear Placement Aug. 08, 2020 Page 47 of 49 Rev 1.00...
  • Page 48: Revision History

    NuMaker-M251KG REVISION HISTORY Date Revision Description 2019.08.18 1.00 Initially issued. Aug. 08, 2020 Page 48 of 49 Rev 1.00...
  • Page 49 NuMaker-M251KG 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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