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CHAPTER 18 OSDC
■ Command 13-1 (I/O Pin Control 2)
❍ Address: 030
❍ Format
15
14
13
0
0
0
VHE:
HSYNC edge selection for
vertical synchronization detection
(0: Rising edge, 1: Falling edge)
HE:
Edge selection for horizontal
synchronization operation
(0: Falling edge, 1: Rising edge)
❍ [Function]
This command controls the input/output pins.
❍ [Supplement]
592
H
12
11
10
9
0
0
0
0
VHE
8
7
6
5
HE
0
0
IHX:
Logic control for horizontal
synchronization signal input
(0: Negative logic, 1: Positive logic)
IVX:
Logic control for vertical
synchronization signal input
(0: Negative logic, 1: Positive logic)
4
3
2
1
0
0
IHX
IVX
0
0
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