Sony Ericsson GR47/GR48 User 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