AK8851 Datasheet, PDF (71/80 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

ASAHI KASEI
Status 1 Register (R/W) [Sub Address 0x16]
Status 1 Register (R/W)[ Sub Address 0x16]
This is to show the internal state of the AK8851.
Sub Address 0x16
bit 7
bit 6
OVCOL
PKWHITE
bit 5
bit 4
SCLKMODE1 SCLKMODE0
bit 3
COLKIL
bit 2
FRMSTD
bit 1
VLOCK
[AK8851]
bit 0
NOSIG
Status 1 Register Definition
BIT Register Name
bit 0
NOSIG
No Signal
bit 1
VLOCK
Video Locked
bit 2 FRMSTD Frame Standard
bit 3 COLKILON Color killer
bit 4 SCLKMODE0
~
~
Clock Mode[1:0]-bit
bit 5 SCLKMODE1
bit 6 PKWHITE Peak White Detection
bit 7
OVCOL
Over Color Level
R/W Definition
No signal indicator
R ^{This data also output from NSIG pin.}
0 : Signal is input
1 : No signal is input
Shows the synchronization state of the input signal.
R 0 : Unsynchronized to the input signal.
1 : Synchronized to the input signal.
Shows the synchronization state of the input signal.
R 0 : Unsynchronized to the input signal.
1 : Synchronized to the input signal.
Shows the Color Killer Status
R 0 : Color Killer is not active
1 : Color Killer is active
Shows the clock-mode.
[ CLKMODE1:CLKMODE0 ] =
00 : Working with Fixed clock mode.
R _{01 : Working with Line-Locked Clock mode}
10 : Working with Frame-Locked Clock mode
11 : Reserved
R
0:
1 : Input video signal has overflowed
R
0:
1 : Input Color signal has overflowed
MS0244-E-03
71
Confidential
2005 / 07