General Purpose Digital I/O Ports - Sony Ericsson GR47/GR48 Integrator's Manual

5.14 General Purpose Digital I/O Ports

LZT 123 7589 R1A
5. SYSTEM CONNECTOR INTERFACE
The following circuit can be used to connect an LED.
Figure 5.10 Electrical connections for the LED
Pin I/O port Default
signal signal
21 IO1 IO1
22 IO2 IO2
23 IO3 IO3
24 IO4 IO4
13 IO5 IO5
33 IO6 LED
43 IO7 TD3
44 IO8 RD3
39 IO9 RTS
37 IN1 DTR
32 OUT3 DSR
36 OUT2 RI
38 OUT1 DCD
40 OUT4 CTS
Signals which have an entry in the Default Signal column in the above table
are multiplexed.
10k
LED
GR47/48
10k
DGND
Description
Programmable Input/Output 1
KEYRow2
Programmable Input/Output 2
ADC5
Programmable Input/Output 3
KEYRow3
Programmable Input/Output 4
KEYRow4
Programmable Input/Output 5
ADC4
Programmable Input/Output 6/LED
Programmable Input/Output 7/TD3
Programmable Input/Output 8/RD3
Programmable Input/Output 9/RTS
Programmable Input 1
Data Terminal Ready
Programmable Output 3/DSR
Programmable Output 2/RI
Ring Indicator
Programmable Output 1/DCD
Data Carrier Detect
Programmable Input/Output 4/CTS
VCC
330
BC817
43