Data Sheet

Beijing Eswin Technology Co.,Ltd
011 MSPI_WP Main SPI write protect
100 I2C_SCL IIC Serial Clock
101 UART1_RXD UART1 Received data
SD_DATA3
Truth table Function name Function
000 SD_DATA3 SDIO Data3
001 GPIO10 General purpose use 10
010 UART1_DTR UART1 Data terminal ready
011 MSPI_HOLD Main SPI Hold enable
100 I2C_SDA IIC Serial Data
101 UART1_TXD UART1 Transmitter data
SD_CLK
Truth table Function name Function
000 SD_CLK SDIO Data Clock
001 GPIO11 General purpose use 11
010 UART1_RTS UART1 Request to send
011 MSPI_CLK Main SPI Clock
100 UART1_RXD UART1 Received data
SD_CMD
Truth table Function name Function
000 SD_CMD SDIO Command
001 GPIO12 General purpose use 12
010 UART1_CTS UART1 Clear to send
011 MSPI_CS0 Main SPI Chip Select 0