AK8858 Datasheet, PDF (44/96 Pages) Asahi Kasei Microsystems – PS/SD Multi Format Video Decoder

[7.26] Output Interface
[7.26.1] Interface with EAV/SAV
SYNC code is output with the output data.
[AK8858]
[7.26.1.1] EAV/ SAV code
Those code succeeding 0xFF – 0x00 – 0x00 which are fed as input data become EAV/SAV codes.
EAV/SAV codes have following meanings, started with MSB.
Bit Number
MSB
LSB
WORD VALUE
7
6
5
4
3
2
1
0
0
0xFF
1
1
1
1
1
1
1
1
1
0x00
0
0
0
0
0
0
0
0
2
0x00
0
0
0
0
0
0
0
0
3
0xXX (EAV/ SAV) 1
F
V
H
P3
P2
P1
P0
F=0: Field1
F=1: Field2
*In case of Progressive (525P/ 625P) output, F-bit output is always 0.
V=0: Exept for Field Blanking
V=1: Field Blanking
H=0: SAV
H=1: EAV
P3, P2, P1, P0: Protection bit
Following is a relation between protection bit and F/V/H-bit.
F
V
H
P3
P2
P1
P0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
0
1
0
1
0
1
1
0
1
1
0
1
1
0
1
0
0
0
1
1
1
1
0
1
1
0
1
0
Reference standards
Input format
525i
625i
525p
625p
Reference
ITU-R.BT656
ITU-R.BT656
SMPTE 293M
ITU-R. BT1358
MS1230-E-00
- 44 -
2010/9