Kontron KTAM3874-pITX - Manual (Page 37)

KTD-S0051-D Page 33 Digital I/O Interface
KTAM3874/pITX User's Guide
14.4 Connector 2
Most of digital I/O pins are linked with connector J2105 (40 pins). A prototype cable with open ends is
available (part number 821515).
Header Pin Signal Description Type
1 - 2 VCC3 1) Power +3.3V PWR
3 SDA I 2 C TM 3rd controller data (I2C2) IO-33
4 SCL I 2 C TM 3rd controller clock (I2C2) IO-33
5 SCS0 SPI TM 3rd controller chip select (SPI2) IO-33
6 SCLK SPI TM 3rd controller clock (SPI2) IO-33
7 D0 SPI TM 3rd controller data 0 (SPI2) IO-33
8 D1 SPI TM 3rd controller data 1 (SPI2) IO-33
9 - 10 GND Ground PWR
11 GPIO15 I/O GP0[25] or UART4 RTS IO-33
12 GPIO14 I/O GP0[24] or UART4 CTS IO-33
13 GPIO13 I/O GP0[23] or UART4 TXD IO-33
14 GPIO12 I/O GP0[22] or UART4 RXD IO-33
15 GPIO11 I/O GP0[21] IO-33
16 GPIO10 I/O GP0[20] IO-33
17 GPIO9 I/O GP0[19] IO-33
18 GPIO8 I/O GP0[18] IO-33
19 GPIO0 I/O GP0[10] IO-33
20 GPIO1 I/O GP0[11] IO-33
21 GPIO2 I/O GP0[12] IO-33
22 GPIO3 I/O GP0[13] IO-33
23 GPIO4 I/O GP0[14] or SPI3 SCS0 IO-33
24 GPIO5 I/O GP0[15] or SPI3 SCLK IO-33
25 GPIO6 I/O GP0[16] or SPI3 D1 IO-33
26 GPIO7 I/O GP0[17] or SPI3 D0 IO-33
27 - 28 GND Ground PWR
29 GPIO16 I/O GP0[26] or UART2 RXD IO-33
30 GPIO17 I/O GP0[27] or UART2 TXD IO-33
31 GPIO18 I/O GP0[28] or UART2 CTS IO-33
32 GPIO26 I/O GP2[02] or UART2 RTS IO-33
33 GPIO35 I/O GP2[18] IO-33
34 GPIO36 I/O GP2[19] IO-33
35 GPIO37 I/O GP2[20] IO-33
36 GPIO33 I/O GP2[16] IO-33
37 RSVD Reserved ---
38 GPIO34 I/O GP2[17] IO-33
39 - 40 VCC3 1) Power +3.3V PWR