ak8823 AKM Semiconductor, Inc., ak8823 Datasheet - Page 60

• Manufacturer Part Number: ak8823
• Description: Hdtv & Ntsc/pal Multi-format Encoder Sdtv/hdtv X2 Oversampling 5ch Dacs
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Mode Register (R/W) [Address 0x00]
Register to set the AK8823 mode
Sub Address 0x00
Mode Register Definition
MS0549-E-02
bit 0
bit 4
bit 5
bit 6
bit 7
BIT
bit1
bit2
bit3
HDCB
-
bit 7
0
HDSETUP
MODE0,1
CEA861B
EAVDEC
Register
RFRSH
HDCB
Name
HDBB
HDBB
bit 6
0
< HD Block >
Refresh Rate bit
Mode Set bit
H/V timing std
EAV decode
Setup bit
Black Burst output bit
Color Bar output bit
SETUP
bit 5
0
EAVDEC
bit 4
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
Default Value
60
Definition
to select refresh rate
0 : 60Hz
1 : 50Hz
to select input / output signals
[MODE1:MODE0]
00 : 525i/625i
01 : 525p/625p
10 : 1080i
11 : 720p
to appoint relation when to synchronize with HSYNC / VSYNC
0 : Data capture is done by the AK8823 timing.
1 : it is done by the compatible timing specified in CEA 861B.
to select the AK8823 Sync mode
0 : to be synchronized with HSYNC / VSYNC signals
1 : to be synchronized with EAV
to set on / off of 7.5 % set-up
0 : no set-up process is done.
1 : set-up process is done.
to output Black Burst Signal ( SYNC Signal Output only )
0 : normal output
1 : Black Burst Signal Output is enabled.
to output Color Bar Signal
0 : normal output
1 : Color Bar Signal is output.
When HDBB bit is set, HDBB is prioritized.
When EAVDEC is “ 1 “, set CEA861B to “ 0 “.
CEA861B
bit 3
0
MODE1
bit 2
0
MODE0
bit 1
0
Default Value 0x00
RFRSH
bit 0
2006/10
[AK8823]
0