Manual

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