AK8855 Datasheet, PDF (65/81 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Decoder

[ASAHI KASEI]
Input Video Standard Register (R/W) [Sub Address 0x00]
Register to set input signal
AK8855
Sub Address 0x00
bit 7
bit 6
Reserved Reserved
bit 5
Reserved
0
0
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
bit 0
VSCF0
~
~
Sub carrier Frequency
bit 1
VSCF1
bit 2
VCEN
Video Color Encode
bit 3
VLF
Video Line Frequency
bit 4
AINSEL AIN Select bit
bit 5
~
Reserved Reserved
bit 7
R/
W
Definition
to set Sub-carrier frequency of input video signal
VSCF1 - VSCF0 [MHz]
R/ 00 : 3.57954545
W 01 : 3.57561188
10 : 3.5820558
11 : 4.43361875
to set Color Encoding System of input video
R/ signal.
W 0: NTSC
1: PAL
R/
W
to set Line Frequency of input video signal.
0 : 525 Lines
1 : 625 Lines
R/
W
to select AIN Input Select switch.
0: to decode AIN 1
1: to decode AIN 2
R/
W
Reserved
MS0319-E-03
65
2004 / 11