14 digital i/o interface, 1 multifunction overview, Ktam3874/pitx user's guide – Kontron KTAM3874-pITX User Manual
Page 34
KTD-S0051-D
Page 30
Digital I/O Interface
KTAM3874/pITX User's Guide
14 Digital I/O Interface
The digital I/O interface is a subset of a multifunction part from TI's
®
Sitara
TM
SoC. Some of the I/O pins
have additional functionalities which can be changed by software.
14.1 Multifunction Overview
The following table informs about the dependencies.
I/O Pin
TI
®
Label
Second Function
Connector
GPIO0
GP0[10]
---------
J2105
GPIO1
GP0[11]
---------
J2105
GPIO2
GP0[12]
---------
J2105
GPIO3
GP0[13]
---------
J2105
GPIO4
GP0[14]
SPI
TM
fourth controller chip select (SPI3 SCS0)
J2105
GPIO5
GP0[15]
SPI
TM
fourth controller clock (SPI3 SCLK)
J2105
GPIO6
GP0[16]
SPI
TM
fourth controller data 1 (SPI3 D1)
J2105
GPIO7
GP0[17]
SPI
TM
fourth controller data 0 (SPI3 D0)
J2105
GPIO8
GP0[18]
---------
J2105
GPIO9
GP0[19]
---------
J2105
GPIO10
GP0[20]
---------
J2105
GPIO11
GP0[21]
---------
J2105
GPIO12
GP0[22]
UART4 RXD
J2105
GPIO13
GP0[23]
UART4 TXD
J2105
GPIO14
GP0[24]
UART4 CTS
J2105
GPIO15
GP0[25]
UART4 RTS
J2105
GPIO16
GP0[26]
UART2 RXD
J2105
GPIO17
GP0[27]
UART2 TXD
J2105
GPIO18
GP0[28]
UART2 CTS
J2105
GPIO26
GP2[02]
UART2 RTS
J2105
GPIO33
GP2[16]
---------
J2105
GPIO34
GP2[17]
---------
J2105
GPIO35
GP2[18]
---------
J2105
GPIO36
GP2[19]
---------
J2105
GPIO37
GP2[20]
---------
J2105
GPIO19
GP1[11]
---------
J2104
GPIO20
GP1[12]
---------
J2104
GPIO21
GP1[27]
Timer 4 input/output (TIM4 IO)
J2104
GPIO22
GP1[28]
Timer 5 input/output (TIM5 IO)
J2104
GPIO23
GP1[29]
Timer 6 input/output (TIM6 IO)
J2104
GPIO24
GP1[30]
Timer 7 input/output (TIM7 IO)
J2104
GPIO25
GP2[00]
---------
J2104
GPIO27
GP2[07]
---------
J2104