Kontron KTT20-pITX - Manual (Page 34)

KTD-S0044-G Page 30 Digital I/O Interface
KTT20/pITX User's Guide
14.4 Connector 2
The digital I/O interface with I/O voltage 3.3V uses the connector J2001 (40 pins). A prototype cable with
open ends is available (part number 821515).
Header Pin Signal Description Type
1 - 2 GND Ground PWR
3 GPIO17 I/O B.03 or I 2 C TM data IO-33
4 GPIO16 I/O B.02 or I 2 C TM clock IO-33
5 - 6 VCC3 1) Power +3.3V PWR
7 GPIO19 I/O T.03 or SPI1 TM MISO IO-33
8 GPIO18 I/O T.02 or SPI1 TM MOSI IO-33
9 GPIO20 I/O B.04 or SPI1 TM clock IO-33
10 GPIO21 I/O B.05 or SPI1 TM chip select IO-33
11 - 12 GND Ground PWR
13 GPIO23 I/O D.05 or SDIO2 command line IO-33
14 GPIO22 I/O T.04 IO-33
15 GPIO25 I/O L.01 or SDIO2 data 1 IO-33
16 GPIO24 I/O L.00 or SDIO2 data 0 IO-33
17 GPIO27 I/O L.03 or SDIO2 data 3 IO-33
18 GPIO26 I/O L.02 or SDIO2 data 2 IO-33
19 GPIO29 I/O L.05 or SDIO2 data 5 IO-33
20 GPIO28 I/O L.04 or SDIO2 data 4 IO-33
21 GPIO31 I/O D.07 IO-33
22 GPIO30 I/O D.06 IO-33
23 GPIO33 I/O T.01 IO-33
24 GPIO32 I/O T.00 or SDIO2 clock IO-33
25 - 26 VCC3 1) Power +3.3V PWR
27 - 28 GND Ground PWR
29 GPIO34 I/O H.01 IO-33
30 GPIO35 I/O I.05 IO-33
31 GPIO36 I/O L.06 or SDIO2 data 6 IO-33
32 GPIO39 I/O D.02 IO-33
33 GPIO37 I/O L.07 or SDIO2 data 7 IO-33
34 GPIO38 I/O A.00 IO-33
35 GPIO40 I/O BB.01 IO-33
36 GPIO41 I/O J.07 IO-33
37 - 38 VCC3 1) Power +3.3V PWR
39 - 40 GND Ground PWR