AK8850 Datasheet, PDF (90/99 Pages) Asahi Kasei Microsystems – NTSC Digital Video Decoder

ASAHI KASEI
[AK8850]
VBID 1 REGISTER / VBID 2 REGISTER ( R ) [SUB ADDRESS 0x26 / 0x27 ].
These registers show the VBID information which is encoded on Line 20 / 20 and Line 283 / 333 ( 525 system / 625
system ).
Sub Address 0x26
bit 7
bit 6
VBID7
VBID8
bit 5
VBID9
bit 4
VBID10
bit 3
VBID11
bit 2
VBID12
bit 1
VBID13
bit 0
VBID14
Sub Address 0x27
bit 7
bit 6
Reserved Reserved
bit 5
VBID1
bit 4
VBID2
bit 3
VBID3
bit 2
VBID4
bit 1
VBID5
bit 0
VBID6
VBID 1 Register Definition
BIT Register Name
bit 0
VBID14
~
~
VBID Data bit
bit 7
VBID7
VBID 2 Register Definition
BIT Register Name
bit 0
VBID6
~
~
VBID Data bit
bit 5
VBID1
bit 6
Reserved Reserved bit
bit 7
R/W Definition
R VBID Data
R/W Definition
R VBID Data
R Reserved bit
WSS 1 REGISTER / WSS 2 & ASPECT DATA REGISTER ( R )[ SUB ADDRESS 0x28 / 0x29 ]
These registers show WSS information encoded on Line 23.
Sub Address 0x28
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
G2-7
G2-6
G2-5
G2-4
G1-3
G1-2
G1-1
bit 0
G1-0
Sub Address 0x29
bit 7
bit 6
ASPDAT Reserved
bit 5
G4-13
bit 4
G4-12
bit 3
G4-11
bit 2
G3-10
bit 1
G3-9
bit 0
G3-8
WSS 1 Register Definition
BIT Register Name
bit 0
G1-0
~
~
Group1 Data bit
bit 3
G1-3
bit 4
G2-4
Group2 Data bit
bit7
G2-7
WSS 2 & Aspect Data Register Definition
BIT Register Name
bit 0
G3-8
~
~
Group3 Data bit
bit 2
G3-10
bit 3
G4-11
Group4 Data bit
bit 5
G4-13
bit 6 Reserved Reserved bit
bit 7 ASPDAT Aspect Data bit
R/W Definition
R WSS Group 1 data (Aspect ration)
R WSS Group 2 data (Enhanced services)
R/W Definition
R WSS Group 3 data (Subtitles)
R
WSS Group 4data (Reserved)
R Reserved bit
R Video aspect data
Rev.0
90
2003/01