PIN Function
Pin No.
Name
PLCC QFP
DESCRIPTION
NC 1
39
No connection
DA0/P5.0 2
40
PWM DAC output/General purpose I/O (open drain)
DA1/P5.1 3
41
PWM DAC output/General purpose I/O (open drain)
DA2/P5.2 4
42
PWM DAC output/General purpose I/O (open drain)
DA3/P5.3 5
43
PWM DAC output/General purpose I/O (open drain)
DA4/P5.4 6
44
PWM DAC output/General purpose I/O (open drain)
DA5/P5.5 7
1
PWM DAC output/General purpose I/O (open drain)
P5.6/HSCL2 8
2
General purpose I/O/Slave llC1 SCL2
（
open drain
）
P5.7/HSDA2 9
3
General purpose Output/Slave llC1 SCL2
（
open drain
）
RST 10
4
High Active RESET
HSCL1/P3.0/RXD 11 5
Slave IIC clock/General purpose I/O/Rxd (open drain)
HSDA1/P3.1/RXD 13 7
Slave IIC clock/General purpose I/O/Txd (open drain)
P3.2/INT0 14
8
General purpose I/O/External interrupt 0(Standard 8051)
ViewSonic Corporation
Confidential - Do Not Copy
VA712-2_ VA712b-2
21
Summary of Contents for VA712-2
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Page 63: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 60 9 Block Diagram...
Page 74: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 71 11 5 POWER PCB TOP VIEW...
Page 75: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 72 11 6 POWER PCB BUTTON VIEW...
