AK8825 Datasheet, PDF (131/162 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

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
bit 7
HDVBIDEN
0
bit 6
Reserved
0
bit 5
HDVBID1
0
bit 4
bit 3
HDVBID2
HDVBID3
Default Value
0
0
Address 0x04
bit 7
HDVBID7
0
bit 6
HDVBID8
0
bit 5
HDVBID9
0
bit 4
bit 3
HDVBID10 HDVBID11
Default Value
0
0
bit 2
HDVBID4
0
bit 2
HDVBID12
0
[AK8825]
Default Value 0x00
bit 1
bit 0
HDVBID5
HDVBID6
0
0
Default Value 0x00
bit 1
bit 0
HDVBID13 HDVBID14
0
0
HD VBID Data 1 Register (R/W) [Address 0x03]
BIT Register Name
R/W
Definition
bit 0 HDVBID6
VBID (CGMS-A) Data is set.
~
~
VBID DATA bit
R/W Data to be set are CGMS1 ~ CGMS6.
bit 5 HDVBID1
CGMS7 ~ CGMS14 should be set at CGMS Data 2 Register.
bit 6 Reserved
Reserved bit
R/W Reserve, write “0 “.
This bit is set when VBID (CGMS-A) signal is to be
super-imposed.
bit 7 HDVBIDEN
VBID Enable bit
R/W
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.
HD VBID Data 2 Register (R/W) [Address 0x04
BIT Register Name
bit 0 HDVBID14
~
~
VBID Data bit
bit 7 HDVBID7
R/W
Definition
VBID (CGMS-A) Data is set.
R/W Data to be set are CGMS7 ~ CGMS14.
CGMS1 ~ CGMS6 should be set at CGMS Data 1 Register.
- 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
131
2008/03