beautypg.com

Ktt20/pitx software guide – Kontron KTT20-pITX User Manual

Page 42

background image

KTD-S0045-D

Page 38

Linux® BSP


KTT20/pITX Software Guide


For the I

2

C

TM

part some restrictions are valid:

S

Do not access board devices (e.g. temperature sensor - this device has an own interface).
Especially this part should be used for external components on the digital I/O (GPIO) or mini
PCI Express

®

connector.

S

Some datasheets present the device address as a shifted value (e.g. EEPROM address =
0xA0). Use instead the unshifted value (e.g. real EEPROM address = 0x50).

S

Bus 1 allows access to the DVI

®

DDC lines. Do not overwrite the EDID EEPROM.

I

2

C

TM

bus assignment:

Bus 0 Ö mini PCI Express

®

connector Bus 1 Ö DVI

®

DDC lines

Bus 2 Ö Digital I/O connector Bus 3 Ö Reserved

This manual is related to the following products: