SLVUDI2 September   2025

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Board Overview
    2. 2.2 Key Features
      1. 2.2.1 Processor
      2. 2.2.2 Memory and Storage
      3. 2.2.3 Interface and Peripherals
      4. 2.2.4 Expansion Connectors and Expansion Headers to Support Application-Specific Capes
    3. 2.3 Power Requirements
      1. 2.3.1 Integrated Power Architecture
      2. 2.3.2 Advanced Power Management Features
    4. 2.4 Header Information
      1. 2.4.1 Cape Expansion Headers
      2. 2.4.2 65 Possible Digital I/Os
      3. 2.4.3 PWMs and Timers
      4. 2.4.4 Analog Inputs
      5. 2.4.5 UART
      6. 2.4.6 I2C
      7. 2.4.7 SPI
    5. 2.5 Detailed Hardware Design
      1. 2.5.1 USB Interface
        1. 2.5.1.1 USB 2.0 Type-A Interface
        2. 2.5.1.2 USB 2.0 Type-C® Interface
      2. 2.5.2 Ethernet Interface
      3. 2.5.3 Power Supply Interface
      4. 2.5.4 DDR3L SDRAM Interface
      5. 2.5.5 eMMC Flash Interface
      6. 2.5.6 Micro SD Card Slot Interface
      7. 2.5.7 Grove Connector Interfaces
        1. 2.5.7.1 Grove I2C Interface (J4)
        2. 2.5.7.2 Grove UART Interface (J5)
  8. 3Hardware Design Files
    1. 3.1 Schematics, PCB Layout and BOM
  9. 4Compliance Information
    1. 4.1 Compliance – FCC Requirement
  10. 5Additional Information
    1. 5.1 Known Hardware or Software Issues
    2. 5.2 Trademarks
    3. 5.3 Brand Uses Approval
  11. 6Related Documentation

2.4.5 UART

There is a dedicated header for getting to the UART0 pins and connecting a debug cable. Three additional serial ports are brought to the expansion headers, but one of them only has a single direction to the headers.

Table 2-6 Expansion Header Pinout Diagram
P9 P8
DGND 1 2 DGND DGND 1 2 DGND
VDD_3V3B 3 4 VDD_3V3 MMC1_DAT6 3 4 MMC1_DAT7
VDD_5V 5 6 VDD_5V MMC1_DAT2 5 6 MMC1_DAT3
SYS_5V 7 8 SYS_5V TIMER4 7 8 TIMER7
PWR_BUT 9 10 SYS_RESETn TIMER5 9 10 TIMER6
UART4_RXD 11 12 GPIO1_28 GPIO1_13 11 12 GPIO1_12
UART4_TXD 13 14 EHRPWM1A EHRPWM2B 13 14 GPIO0_26
GPIO1_16 15 16 EHRPWM1B GPIO1_15 15 16 GPIO1_14
I2C1_SCL 17 18 I2C1_SDA GPIO0_27 17 18 GPIO2_1
I2C2_SCL 19 20 I2C2_SDA EHRPWM2A 19 20 MMC1_CMD
UART2_TXD 21 22 UART2_RXD MMC1_CLK 21 22 MMC1_DAT5
GPIO1_17 23 24 UART1_TXD MMC1_DAT 23 24 MMC1_DAT1
GPIO3_21 25 26 UART1_RXD MMC1_DAT0 25 26 GPIO1_29
GPIO3_19 27 28 SPI1_CS0 LCD_VSYNC 27 28 LCD_PCLK
SPI1_D0 29 30 SPI1_D1 LCD_HSYNC 29 30 LCD_DE
SPI1_SCLK 31 32 VDD_ADC LCD_DATA14 31 32 LCD_DATA15
AIN4 33 34 GNDA_ADC LCD_DATA13 33 34 LCD_DATA11
AIN6 35 36 AIN5 LCD_DATA12 35 36 LCD_DATA10
AIN2 37 38 AIN3 LCD_DATA8 37 38 LCD_DATA9
AIN0 39 40 AIN1 LCD_DATA6 39 40 LCD_DATA7
CLKOUT2 41 42 GPIO0_7 LCD_DATA4 41 42 LCD_DATA5
DGND 43 44 GPIO0_8 LCD_DATA2 43 44 LCD_DATA3
DGND 45 46 GPIO0_9 LCD_DATA0 45 46 LCD_DATA1