Internal Communication Lines
The device is equipped with multiple internal lines of communication of following types:
SPI
The device is equipped with the following lines of SPI communications.
SPI1
|
Signal |
Processor pin |
Default function |
|
Chip select |
AD18 |
SPI1_CS0 |
|
Master in slave out |
A7 |
SPI1_MISO |
|
Clock |
D6 |
SPI1_SCLK |
|
Master out slave in |
B7 |
SPI1_MOSI |
SPI2
|
Signal |
Processor pin |
Default function |
|
Chip select |
A6 |
SPI2_CS0 |
|
Master in slave out |
A8 |
SPI2_MISO |
|
Clock |
E6 |
SPI2_SCLK |
|
Master out slave in |
B8 |
SPI2_MOSI |
I2C
The device is equipped with the following lines of I2C communications.
I2C2
Device name: /dev/i2c-2
|
Signal |
Processor pin |
Default function |
|
Clock |
D10 |
I2C2_SCL |
|
Data |
D9 |
I2C2_SDA |
I2C3
Device name: /dev/i2c-3
|
Signal |
Processor pin |
Default function |
|
Clock |
E10 |
I2C3_SCL |
|
Data |
F10 |
I2C3_SDA |
I2C4
Device name: /dev/i2c-4
|
Signal |
Processor pin |
Default function |
|
Clock |
D13 |
I2C4_SCL |
|
Data |
E13 |
I2C4_SDA |
UART
The device is equipped with the following lines of UART communications.
UART1
Device name: /dev/ttymxc0
|
Signal |
Processor pin |
Default function |
|
Receive (UART1 RX) |
E14 |
UART1_RXD |
|
Transmit (UART1 TX) |
F13 |
UART1_TXD |
|
|
|
UART3
Device name: /dev/ttymxc2
|
Signal |
Processor pin |
Default Function |
|
Receive (UART3 RX) |
E18 |
UART3_RXD |
|
Transmit (UART3 TX) |
D18 |
UART3_TXD |
|
|
|
UART4
Device name: /dev/ttymxc3
|
Signal |
Processor pin |
Default function |
|
Receive (UART4 RX) |
F19 |
UART4_RXD |
|
Transmit (UART4 TX) |
F18 |
UART4_TXD |
|
|
|