Sony Ericsson GR47/GR48 - Manual (Page 20)

5. SYSTEM CONNECTOR INTERFACE
20
LZT 123 7589 R1A
1RWH
Under the heading “Dir” in the table, radio device input and output signals
are indicated by the letters I and O respectively.
Pin Signal Name Dir Signal Type Description
1 VCC - Supply Power supply
2 DGND - - Digital ground
3 VCC - Supply Power supply
4 DGND - - Digital ground
5 VCC - Supply Power supply
6 DGND - - Digital ground
7 VCC - Supply Power supply
8 DGND - - Digital ground
9 VCC - Supply Power supply
10 DGND - - Digital ground
11 CHG_IN - Battery
charge power
Battery charging
12 DGND - - Digital ground
13 IO5
ADC4
I/0
I
Digital 2.75V
Analogue
General purpose input/output 5
Analogue to digital converter 4
14 ON/OFF I Internal pull
up, open drain
Turns the radio device on and off.
15 SIMVCC - Digital 3 V/5 V SIM card power supply. Power output
from radio device for SIM Card
16 SIMPRESENCE I Internal pull
up, open drain
SIM Presence
A “1” indicates that the SIM is missing; a
“0” that it is inserted
17 SIMRST O Digital 3 V/5 V SIM card reset
18 SIMDATA I/O Digital 3 V/5 V SIM card data
19 SIMCLK O Digital 3 V/5 V SIM card clock
20 DAC O Analogue Digital to analogue converter
21 IO1
KEYROW2
I/O
I
Digital 2.75V General purpose input/output 1
Keyboard row 2
22 IO2
ADC5
I/O
I
Digital 2.75V
Analogue
General purpose input/output 2
Analogue to digital converter 5
23 IO3
KEYROW3
I/O
I
Digital 2.75V General purpose input/output 3
Keyboard row 3
24 IO4
KEYROW4
I/O
I
Digital 2.75V General purpose input/output 4
Keyboard row 4
25 VRTC I Supply 1.8V Supply for real time clock
26 ADC1 I Analogue Analogue to digital converter 1
27 ADC2 I Analogue Analogue to digital converter 2