ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 131

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

HD VBID Data 1 Register (R/W) [Address 0x03]
HD VBID Data 2 Register (R/W) [Address 0x04]
[Component Video Encoder]
Registers to set CGMS-A Data
CGMS-A Data is set. CRCC Data is automatically generated and added.
Address 0x03
Address 0x04
HD VBID Data 1 Register (R/W) [Address 0x03]
HD VBID Data 2 Register (R/W) [Address 0x04
- About Outputting CGMS Data
Write Operation of CGMS Data via I2C interface must be completed by the time when the preceding 2 Lines are completed,
from a target output Line.
Each Line starts at EAV.
Rev-E-00
bit 0
bit 5
bit 6
bit 7
bit 0
bit 7
BIT
BIT
HDVBIDEN
~
~
HDVBID7
bit 7
bit 7
0
0
Register Name
Register Name
HDVBIDEN
HDVBID14
HDVBID6
HDVBID1
Reserved
HDVBID7
~
~
Reserved
HDVBID8
bit 6
bit 6
0
0
VBID Data bit
VBID Enable bit
VBID DATA bit
Reserved bit
HDVBID1
HDVBID9
bit 5
bit 5
0
0
HDVBID10
HDVBID2
R/W
R/W
R/W
R/W
R/W
R/W
bit 4
bit 4
0
0
Default Value
Default Value
VBID (CGMS-A) Data is set.
Data to be set are CGMS1 ~ CGMS6.
CGMS7 ~ CGMS14 should be set at CGMS Data 2 Register.
Reserve, write “0 “.
This bit is set when VBID (CGMS-A) signal is to be
super-imposed.
Target Line to be super-imposed with, is automatically decided by
setting [ HDMODE1 : HDMODE0 ]-bits for HDMODE Register.
0: CGMS-A function is “OFF “.
1: CGMS-A signal is super-imposed.
VBID (CGMS-A) Data is set.
Data to be set are CGMS7 ~ CGMS14.
CGMS1 ~ CGMS6 should be set at CGMS Data 1 Register.
131
HDVBID11
HDVBID3
bit 3
bit 3
0
0
HDVBID12
HDVBID4
bit 2
bit 2
0
0
Definition
Definition
HDVBID13
HDVBID5
bit 1
bit 1
0
0
Default Value 0x00
Default Value 0x00
HDVBID14
HDVBID6
bit 0
bit 0
2008/03
[AK8825]
0
0