Difference between revisions of "Beagleboard:BeagleBone cape interface spec"

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(SPI)
(SPI)
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AM5729 SPI3 GPIO7_11  
 
AM5729 SPI3 GPIO7_11  
 
* P9.23 - CS
 
* P9.23 - CS
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= UART =
 
= UART =

Revision as of 02:11, 25 July 2020

This is a list of symlink interfaces based on BeagleBone Cape header pins.[1][2][3]

I2C

Bone bus I2C
Bone bus BBBWL/BBB BBAI SCL SDA Overlay
/dev/bone/i2c/1 I2C0 I2C1 On-board On-board
/dev/bone/i2c/1 I2C1 I2C5 P9.17 P9.18
/dev/bone/i2c/2 I2C2 I2C4 P9.19 P9.20
/dev/bone/i2c/2a I2C2 N/A P9.21 P9.22
/dev/bone/i2c/3 I2C1 I2C3 P9.24 P9.26



SPI

Bone bus SPI
Bone bus BBBWL/BBB BBAI MOSI MISO CLK CS Overlay
/dev/bone/spi/0.x SPI0 SPI2 P9.18 P9.21 P9.22
  • P9.17 (CS0)
/dev/bone/spi/1.x SPI1 SPI3 P9.30 P9.29 P9.31
  • P9.28 (CS0)
  • P9.42 (CS1)