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AK8859VQ Datasheet, PDF (67/73 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder
[AK8859VQ]
[9.1.25.] Sub Address 0x18 “Input Video Status Register (R Only)”
Input video status register for auto detection mode.
bit 7
bit 6
bit 5
bit 4
bit 3
FIXED UNDEF ST_B/W ST_VLF ST_VCEN1
bit 2
ST_VCEN0
Sub Address: 0x18
bit 1
bit 0
ST_VSCF1 ST_VSCF0
Input Video Status Register Definition
BIT
Register
Name
R/W
Status of
bit 0 ST_VSCF0
~
~
Video
R
Sub-Carrier
bit 1 ST_VSCF1 Frequency
bit 2 ST_VCEN0 Status of
~
~
Video
R
bit 3 ST_VCEN1 Color Encode
Status of
bit 4 ST_VLF
Video Line
R
Frequency
bit 5 ST_BW
Status of
R
B/W Signal
bit 6 UNDEF
Un_define
R
bit 7 FIXED
Input Video
R
Standard fixed
Definition
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*)
Input signal color encode format indicator
[ ST_VCEN1 : ST_VCEN0 ]
[00]: NTSC
[01]: PAL
[10]: SECAM
[11]: Reserved
Input signal line frequency setting
[0]: 525-Line (NTSC-M,J, NTSC-4.43, PAL-M,60)
[1]: 625-Line (PAL-B,D,G,H,I,N, PAL-Nc, SECAM)
Monochrome mode (ON/OFF) setting
[0]: Monochrome mode OFF
[1]: Monochrome mode ON
Setup process setting
[0]: Process as input signal with no setup
[1]: Process as input signal with setup
Input signal auto detection setting
[0]: OFF (auto detection disabled; set manually)
[1]: ON (auto detection enabled)
*For SECAM input signal, change VSCF[1:0] setting to [11].
MS1178-E-00
AKM Confidential
- 67 -
2010/04