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,→SPI bus - J20
=== SPI bus - J20 ===
J20 is a 8-pin 1.25mm pitch vertical header. The following table reports the connector's pinout:
{| class="wikitable"
!Notes
|-
|1
|DGND
|Ground
|
|-
|2
|MCSPI1_CLK
|SPI1 clock
|
|-
|3
|MCSPI1_CS0
|SPI1 chip select #0
|
|-
|4
|MCSPI1_CS1
|SPI1 chip select #1
|
|-
|5
|MCSPI1_CS2
|SPI1 chip select #2
|
|-|6|MCSPI1_SOMI|SPI1 slave output master input
|
|-
|7|MCSPI1_SIMO|SPI1 slave input master output
|
|-
|8|3.3V|3.3 V
|
|-