AK8859VQ Datasheet, PDF (40/73 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

[AK8859VQ]
[7.32.] Internal status indicator
The AK8859VQ internal status can be acknowledged by reading the following registers.
[7.32.1.] Input signal indicator
Indicates presence or absence of signal
Name
Setting value Definition
NOSIG
[0]
Signal detected
[1]
No signal detected
Sub Address: 0x15 [0]
Notes
[7.32.2.] Status of VLOCK mechanism
Indicates status of VLOCK
Name
Setting value Definition
VLOCK
[0]
Synchronized
[1]
Not synchronized
Sub Address: 0x15 [1]
Notes
[7.32.3.] Interlace signal indicator
Indicates interlace or non-interlace of input signal
Name
Setting value Definition
FRMSTD
[0]
Input signal 525/625 interlaced
[1]
Input signal not 525/625 interlaced
Sub Address: 0x15 [2]
Notes
[7.32.4.] Color killer operational
Indicates status of color killer (ON/OFF)
Name
Setting value Definition
COLKILON
[0]
Not operation
[1]
Operation
Sub Address: 0x15 [3]
Notes
[7.32.5.] Clock mode
Indicates status of clock mode
Name
Setting value
[00]
[01]
SCLKMODE
[10]
[11]
Definition
Fixed-clock
Line-locked clock
Frame-locked clock
Reserved
Sub Address: 0x15 [5:4]
Notes
[7.32.6.] Luminance decode overflow
Indicates status of luminance decode result after passage through AGC block.
Name
PKWHITE
Setting value
[0]
[1]
Definition
Normal
Overflow
Sub Address: 0x15 [6]
Notes
MS1178-E-00
AKM Confidential
- 40 -
2010/04