7.6 SIM
Pin
Name
3
CCLK
2
CCRST
7
CCIO
1
CCVCC
7.7 Display
Pin
Name
1
2.9V
2
LCD_CLK
3
LCD_DAT
4
LCD_RS
5
LCD_CS
6
GND
7
VLCD
8
LCD_RESET
V 1.10
A52/A55/C55 IFX
IN/OUT
Remarks
O
Pulse for chipcard.
The chipcard is controlled directly from the
EGOLD+.
O
Reset for chipcard
I
Data pin for chipcard;
O
10 kΩ pull up at the
-
Switchable power supply for chipcard;
220 nF capacitors are situated close to the
chipcard pins and are necessary for buffering
current spikes.
Remarks
Power supply display controller
Clock
Data line
Register select
Chip select
GND
Power supply display
Reset
Page 41of 45
Company Confidential © Copyright Siemens AG
CCVCC
pin
ICM MP CCQ GRM
08/03