Sony Ericsson GR47 Integrator's Manual page 23

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24 IO4
KEYROW4
25 VRTC
26 ADC1
27 ADC2
28 ADC3
29 SDA
30 SCL
31 BUZZER
32 OUT3
KEYCOL3
DSR
33 LED
IO6
34 VIO
35 TX_ON
36 RI
KEYCOL2
O2
37 DTR
KEYROW1
IN1
38 DCD
KEYCOL1
O1
39 RTS
IO9
40 CTS
KEYCOL4
O4
41 TD
LZT 123 7589 R2B
SYSTEM CONNECTOR INTERFACE
I/ Digital 2.75V
O
I Supply 1.8V
I Analogue
I Analogue
I Analogue
I/ 2.75V, internal
O pull up
O 2.75V, internal
pull up
O Digital 2.75V
O Digital 2.75V
O
O
O Digital 2.75V
I/
O Power Out 2.75
V
O Digital 2.75V
O Digital 2.75V
O
O
I Digital 2.75V
I
I
O Digital 2.75V
O
O
I Digital 2.75V
I/
O Digital 2.75V
O
O
I Digital 2.75V
General purpose input/output 4
Keyboard row 4
Supply for real time clock
Analogue to digital converter 1
Analogue to digital converter 2
Analogue to digital converter 3
2
I C data
2
I C clock
Buzzer output from radio device
General purpose output 3
Keyboard column 3
Data set ready (UART1)
Flashing LED
General purpose I/O 6
Radio device power indication. VIO is a
2.75 V at 75 mA output supply that can be
used to power external circuitry that
interfaces to the radio device
This output indicates when the GSM radio
device is going to transmit the burst
Ring Indicator (UART1)
Keyboard column 2
General purpose output 2
Data Terminal Ready (UART1)
Keyboard row 1
General purpose input 1
Data Carrier Detect (UART1)
Keyboard column 1
General purpose output 1
Request To Send (UART1)
General purpose I/O 9
Clear To Send (UART1)
Keyboard column 4
General purpose output 4
Transmitted Data (UART1).
Data from DTE (host) to DCE (radio
device).
23