GR47/48 Design Guidelines
BA/SEM/MS 03:0015 Rev A
LZT 123 7596
31
Appendix II – GR47/GR48 Pin out
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
-
Batt Charge
(power)
Battery charging
12.
DGND
-
-
Digital Ground
13.
IO5
ADC4
I/O
I
Dig 2.75
Analogue
General Purpose input/output 5
Analogue to digital converter 4
14.
ON/OFF
I
Internal pull
up, open
drain
Turns the module on/off
15.
SIMVCC
-
Dig. 3/5 V
SIM card power supply
Power output for SIM Card from
module
16.
SIMPRESENCE
I
Internal pull
up, open
drain
SIM Presence
A "1" shall indicate that the SIM is
missing; a "0" that it is inserted.
17.
SIMRST
O
Dig. 3/5 V
SIM card reset
18.
SIMDATA
I/O
Dig. 3/5 V
SIM card data
19.
SIMCLK
O
Dig. 3/5 V
SIM card clock
20.
DAC
O
Analogue
Digital to Analogue converter
21.
IO1
KEYROW2
I/O
I
Digital, 2.75
General purpose input/output 1
Keyboard row 2
22.
IO2
ADC 5
I/O
I
Digital, 2.75
Analogue
General purpose input/output 2
Analgue to digital converter 5
23.
IO3
KEYROW3
I/O
I
Digital, 2.75
General purpose input/output 3
Keyboard row 3
24.
IO4
KEYROW4
I/O
I
Digital, 2.75
General purpose input/output 4
Keyboard row 4
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