Sony Ericsson GR47 Integrator's Manual page 23

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