AK8856 Datasheet, PDF (86/105 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Decoder

ASAHI KASEI
[ AK8856 ]
Input Video Standard Register (R/W) [Sub Address 0x00]
Sets input signal
Sub Address 0x00
bit 7
bit 6
Reserved
Reserved
0
0
bit 5
Reserved
0
bit 4
bit 3
AINSEL
VLF
Default Value
0
0
bit 2
VCEN
0
Default Value : 0x00
bit 1
bit 0
VSCF1
VSCF0
0
0
Input Video Standard Register Definition
BIT Register Name
R/W
Definition
bit 0
VSCF0
~
~
Sub carrier Frequency
bit 1
VSCF1
Sets Sub-carrier frequency of input video signal
VSCF1 - VSCF0 [MHz]
R/W 00 : 3.57954545
01 : 3.57561188
10 : 3.5820558
11 : 4.43361875
bit 2
VCEN
Video Color Encode
bit 3
VLF
Video Line Frequency
bit 4
AINSEL
AIN Select bit
bit 5
~
Reserved
Reserved
bit 7
Sets Color Encoding System of input video signal
R/W
0: NTSC
1: PAL
to set Line Frequency of input video signal.
R/W 0 : 525 Lines
1 : 625 Lines
to select AIN Input Select switch.
R/W 0: to decode AIN 1
1: to decode AIN 2
R/W Reserved
Rev-01
86
2007/03