ASAHI KASEI
[AK8817/18]
Control 1 Register (R/W) [Address 0x00]
Sub Address 0x00
Default Value 0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
DAC
BBG
CBG
MASMD
WSS
VBID
SCR
VMOD
Default Value
0
0
0
0
0
0
0
0
Control 1 Register Definition
BIT Register Name
R/W
R/W
Definition
0: NTSC
1: PAL
bit 0
bit 1
bit 2
bit 3
VMOD
SCR
Video Mode bit
Sub-Carrier Reset bit
VBID Set bit
0 : Sub-Carrier Reset
1 : Sub-Carrier Reset off
0 : VBID OFF
R/W
R/W
R/W
VBID
WSS
1 : VBID ON
0 : WSS OFF
1 : WSS ON
WSS Set bit
Master Mode bit to set Sync mode when Color Bar signal and
Black Burst signal are generated
0 : operation by an external Sync timing
1 : operation by an internal self-operating mode ( master
bit 4
MASMD
Master Mode bit
R/W
mode )
note ) Master mode bit is still valid in normal data input, but
output video is not synchronized.
0: OFF
R/W 1: ON
when BBG is set, BBG is prioritized.
Color Bar Generator
bit
bit 5
CBG
Black Burst Generator
bit
0 : OFF
1 : ON
bit 6
bit 7
BBG
DAC
R/W
R/W
0 : DAC OFF
1 : DAC ON
DAC Set bit
Rev.001E
40
2009 / 12
AKM [ ASAHI KASEI MICROSYSTEMS ]
