ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 128

• Manufacturer Part Number: ak8825
• Description: Hd/sd Multi Format Video Encoder With 3ch Dac
• Manufacturer: AKM Semiconductor, Inc.

HD Mode Register (R/W) [Sub Address 0x00]
[Component Video Encoder]
Register to set the AK8825 mode at Component Video Encoder mode
Sub Address 0x00
HD Mode Register (R/W) [Sub Address 0x00]
Rev-E-00
bit 0
bit 4
bit 5
bit 6
bit 7
bit1
bit2
bit3
BIT
~
HDCBG
bit 7
0
Register Name
HDEAVDEC
HDCEA861
HDMODE0
HDMODE1
HDRFRSH
HDSETUP
HDBBG
HDCBG
~
HDBBG
bit 6
0
HD Black Burst bit
H/V timing std bit
Refresh Rate bit
HD Color Bar bit
EAV Decode bit
HD Setup-bit
Mode Set bit
HDSETUP
bit 5
0
HDEAVDEC
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
bit 4
0
Default Value
to select refresh rate
0 : 60Hz
1 : 50Hz
to select input / output signals
[HDMODE1:HDMODE0]
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 AK8825 timing.
1: it is done by the compatible timing specified in CEA 861B.
When EAVDEC: 1, this bit is ignored.
to select the AK8825 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.
128
HDCEA861
bit 3
0
HDMODE1
bit 2
0
Definition
HDMODE0
bit 1
0
default Value 0x00
HDRFRSH
bit 0
2008/03
0
[AK8825]