Sony Ericsson GM47 User Manual
Page 42

GM47/GM48 INTEGRATOR’S MANUAL
42
LZT 123 7263 R1C
The following table gives the pin assignments for the system connector
interface and a short description for each signal.
Note!
Under the heading “Dir” in the table, module 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
VCC
-
Supply
Power supply
12
DGND
-
-
Digital ground
13
Reserved for
future use
14
ON/OFF
I
Internal pull
up, open drain
Turns the module on and off.
Former WAKE_B
15
SIMVCC
-
Digital 3V/5V
SIM card power supply. Power output
from module 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 3V/5V
SIM card reset
18
SIMDATA
I/O
Digital 3V/5V
SIM card data
19
SIMCLK
O
Digital 3V/5V
SIM card clock
20
DAC
O
Analogue
Digital to analogue converter
21
IO1
I/O
Digital 2.75
General purpose input/output 1
22
IO2
I/O
Digital 2.75
General purpose input/output 2
23
IO3
I/O
Digital 2.75
General purpose input/output 3
24
IO4
I/O
Digital 2.75
General purpose input/output 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