W78C354 Datasheet, PDF (12/44 Pages) Winbond – MONITOR MICROCONTROLLER

W78C354
BIT
NAME
FUNCTION
0
HP
Hsync polarity. 0: Positive, 1: Negative.
1
VP
Vsync polarity. 0: Positive, 1: Negative.
2
NOH
Set by hardware if no Hsync.
3
NOV
Set by hardware if no Vsync.
2. CONTREG1: Control Register1, Bit-addressable
BIT
NAME
FUNCTION
0
ADCS0 ADC channel select bit 0.
1
ADCS1 ADC channel select bit 1.
2
ENDDC1 Enable/Disable DDC1 mode.
0: Disable DDC1 mode; the pin P1.3/DSDA is accessed data in the
DDC2B/2B+ mode.
1: Enable DDC1 mode ; the pin P1.3/DSDA is output data in the DDC1 mode.
3
HCES H-Clamp Edge Select.
0: Pin P1.4 will output H-clamp pluse, if the leading edge of Hsync occurs.
1: Pin P1.4 will output H-clamp pluse, if the trailing edge of Hsync occurs.
4
HCWS0 H-Clamp Width Select bit 0.
5
HCWS1 H-Clamp Width Select bit 1.
6
DUMMYEN Enable/Disable dummy frequency generator.
0: Disable, 1: Enable.
7
ADCSTRT Start ADC conversion.
0: Stop, 1: Start.
3. CONTREG2: Control Register2
BIT
NAME
FUNCTION
0
ENVS
Enable/Disable Vsync Separator.
0: Disable, 1: Enable.
1
HSPS
Hout Sync Polarity Select.
0: Positive, 1: Negative.
2
VSPS
Vout Sync Polarity Select.
0: Positive, 1: Negative.
3
-
Reserved.
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