Figure 20: I2C Interface Connected To Vext Line Of Ac75 - Siemens AC75 Hardware Interface Description

AC75 Hardware Interface Description
Strictly confidential / Preliminary
GSM module
VEXT
I2CDAT
I2CCLK
GND
Figure 20: I
Note: Good care should be taken when creating the PCB layout of the host application: The
traces of I2CCLK and I2CDAT should be equal in length and as short as possible.
AC75_HD_V00.202
2
C interface connected to VEXT line of AC75
Page 60 of 120
s
Application
R
R
p
p
I2CDAT
I2CCLK
GND
27.04.2006