Sony Ericsson GR47/GR48 - Manual (Page 43)

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