AK8859VN Datasheet, PDF (18/72 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

Clamp timing pulse
[AK8859VN]
CVBS
Analog sync tip clamp
Y
Analog sync tip clamp
C
Analog middle clamp
Furthermore, the AK8859VN can change the position, width, and current value of clamp pulse via register.
Set the current value of clamp in analog block
Name Definition
CLPG0
~
CLPG1
[00]: Min.
[01]: Middle 1 {=(Min. x 3)}
[10]: Middle 2 {=(Min. x 5)}
[11]: Max. {=(Min. x 7)}
Sub Address: 0x01 [1:0]
Notes
Default setting is
[00]
Set the clamp pulse width
Name
Definition
CLPWIDTH
[0]: 275nsec
[1]: 555nsec
Sub Address: 0x01 [4]
Notes
Default setting is [0]
MS1179-E-00
AKM Confidential
- 18 -
2010/04