AK8858 Datasheet, PDF (62/96 Pages) Asahi Kasei Microsystems – PS/SD Multi Format Video Decoder

[7.33] Auto detection result of input video signal
In auto detection mode, the result can be acknowledged by reading the following register.
[AK8858]
Indicates result and status of auto detection mode
Sub Address: 0x25 [7:0]
Name
Definition
ST_VSCF0
~
ST_VSCF1
ST_VCEN0
~
ST_VCEN1
ST_VLF
ST_BW
UNDEF
FIXED
(CVBS or S-video signal decoding)
Input video signal subcarrier frequency indicator
[ ST_VSCF1 : ST_VSCF0 ] ( MHz )
[00]: 3.57954545 (NTSC-M,J)
[01]: 3.57561149 (PAL-M)
[10]: 3.58205625 (PAL-Nc)
[11]: 4.43361875 (PAL-B,D,G,H,I,N,60 , NTSC-4.43, SECAM)
(Component signal decoding)
Interlace or Progressive indicator
[00]: Interlace
[01]: Progressive
[10]: Reserved
[11]: Reserved
Input signal color encode format indicator
[ST_VCEN1 : ST_VCEN0]
[00]: NTSC
[01]: PAL
[10]: SECAM
[11]: Reserved
Input signal line number indicator
[0]: 525-Line (NTSC-M,J , NTSC-4.43 , PAL-M,60)
[1]: 625-Line (PAL-B,D,G,H,I,N,Nc , SECAM)
Input signal monochrome indicator*
[0]: Not monochrome
[1]: Monochrome
Input signal detection indicator
[0]: Input signal detected
[1]: Input signal not detected
Input signal detection process status
[0]: Detection process in progress
[1]: Detection process completed
*Monochrome auto detection is enabled if the color killer setting is ON (COLKILL-bit = [1]).
MS1230-E-00
- 62 -
2010/9