Spi; Ecspi; Qspi; Uart - Boardcon Embedded Design PICO-IMX8M-MINI Reference User Manual

2.8 SPI

2.8.1 ECSPI

Full-duplex enhanced Synchronous Serial Interface, with data rate up to 52 Mbit/s. Configurable to support
Master/Slave modes, four chip selects to support multiple peripherals.
Signal Description
ECSPI1_SCLK SPI1 Master clock put out;
ECSPI1_MISO SPI1 Master data input; Slave data output
ECSPI1_MOSI SPI1 Slave data input; Master data output
ECSPI1_SS0 SPI1 Chip Select0
ECSPI2_SCLK SPI2 Master clock put out;
ECSPI2_MISO SPI2 Master data input; Slave data output
ECSPI2_MOSI SPI2 Slave data input; Master data output
ECSPI2_SS0 SPI2 Chip Select0
ECSPI3_SCLK SPI3 Master clock put out;
ECSPI3_MISO SPI3 Master data input; Slave data output
ECSPI3_MOSI SPI3 Slave data input; Master data output
ECSPI3_SS0 SPI3 Chip Select0

2.8.2 QSPI

Signal Description
QSPIA_SCLK SPIA Master clock put out;
QSPIA_SS0 SPIA Chip Select0
QSPIA_SS1 SPIA Chip Select1
QSPIA_data0 SPIA data0
QSPIA_ data1 SPIA data1
QSPIA_ data2 SPIA data2
QSPIA_ data3 SPIA data3
QSPIB_SCLK SPIB Master clock put out;
QSPIB_SS0 SPIB Chip Select0
QSPIB_SS1 SPIB Chip Select1
QSPIB_data0 SPIB data0
QSPIB_ data1 SPIB data1
QSPIB_ data2 SPIB data2
QSPIB_ data3 SPIB data3

2.9 UART

Four Universal Asynchronous Receiver/Transmitter (UART) modules
Each of the UARTv2 modules supports the following serial data transmit/receive protocols and
Customize the embedded system based on
Defaults Function
Pin
169 UART3_RXD
173 UART3_CTS
171 UART3_TXD
175 UART3_RTS
174 ECSPI2_SCLK
172 ECSPI2_MISO
170 ECSPI2_MOSI
176 ECSPI2_SS0
156 UART1_RXD
154 UART1_TXD
152 UART2_RXD
150 UART2_TXD
Defaults Function
Pin
Un-pinout QSPIA_SCLK for flash
Un-pinout QSPIA_SS0 for flash
Un-pinout SD3_STROBE for emmc
Un-pinout QSPIA_data0 for flash
Un-pinout QSPIA_ data1 for flash
Un-pinout QSPIA_ data2 for flash
Un-pinout QSPIA_ data3 for flash
Un-pinout SD3_DATA7 for emmc
Un-pinout SD3_DATA5 for emmc
Un-pinout SD3_DATA6 for emmc
Un-pinout SD3_DATA0 for emmc
Un-pinout SD3_DATA1 for emmc
Un-pinout SD3_DATA2 for emmc
Un-pinout SD3_DATA3 for emmc
21
Your Idea