AK8857VQ Datasheet, PDF (96/105 Pages) Asahi Kasei Microsystems – Dual Channel Digital Video Decoder

Status 1 A Register (R) [Sub Address 0x19] (A block register)
Status 1 B Register (R) [Sub Address 0x31] (B block register)
[AK8857VQ]
Sub Address 0x19, 0x31
bit 7
bit 6
bit 5
bit 4
OVCOLA PKWHITEA Reserved CPLLA
OVCOLB PKWHITEB Reserved CPLLB
bit 3
COLKILONA
COLKILONB
bit 2
FRMSTDA
FRMSTDB
bit 1
VLOCKA
VLOCKB
bit 0
NOSIGA
NOSIGB
Status 1 A/B Register Definition
Bit Register Name
bit 0 NOSIGA/B
No Signal_A/B
R/W Definition
Input signal indicator
R [0] : Input signal present
[1] : Input signal absent
bit 1 VLOCKA/B Video Locked_A/B
Input signal VLOCK synchronization status
indicator
R _{[0]: Input signal synchronized}
[1]: Input signal non-synchronized
bit 2 FRMSTDA/B Frame Standard_A/B
bit 3 COLKILONA/B Color Killer_A/B
bit 4 CPLLA/B
bit 5 Reserved
Color PLL Lock_A/B
Reserved
Input signal interlace status indicator
R [0]: Input signal 525/625 interlaced
[1]: Input signal not 525/625 interlaced
Color killer status indicator *¹
R [0]: Color killer not operation
[1]: Color killer operation
PLL clock locked status indicator
[0]: No locked
[1]: Locked
R Reserved
bit 6 PKWHITEA/B Peak White Detection_A/B R
bit 7 OVCOLA/B Over Color Level_A/B
R
Luminance decode result flow status
indicator,after passage through AGC block
[0]: Normal
[1]: Overflow
Color decode result flow status indicator,
after passage through ACC block*²
[0]: Normal
[1]: Overflow (excessive color signal input)
MS1189-E-01
-96-
2010/12