AK8851 Datasheet, PDF (40/80 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

ASAHI KASEI
[AK8851]
[SLLVL1 : SLLVL0]-bit :
* Those are to set the slice level.
[SLLVL]-bit
Setting
Note
0
Slice level is set to about 25IRE.
63@ Rec.601 Level
1
Slice level is set to about 50IRE
127@ Rec.601 Level
High and low values of the sliced and binary-converted data are set by [High Data Set Register] and [Low Data Set
Register].The values set here are output as 656 data. Default values are 235 for High and 16 for Low.
[High Data Set Register]
Sub Address 0x13
Default Value : 0xEB
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
H_7
H_6
H_5
H_4
H_3
H_2
H_1
H_0
Default Value
1
1
1
0
1
0
1
1
[Low Data Set Register]
Sub Address 0x14
Default Value : 0x10
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
L_7
L_6
L_5
L_4
L_3
L_2
L_1
L_0
Default Value
0
0
0
1
0
0
0
0
MS0244-E-03
40
Confidential
2005 / 07