AK8817 Datasheet, PDF (36/43 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHI KASEI
Control 2 Register (R/W) [Address 0x01]
[AK8817]
Sub Address 0x01
bit 7
bit 6
Reserved
Reserved
0
0
bit 5
Reserved
0
bit 4
bit 3
VAMPMD1 VAMPMD0
Default Value
0
0
bit 2
SETUP
0
Default Value 0x00
bit 1
bit 0
REC656
PIXRT
0
0
Control 2 Register Definition
BIT Register Name
R/W
Definition
Pixel rate setting is done.
bit 0
PIXRT
Pixel Rate Set bit
R/W
0 : ITU-R BT.601 data input ( at 27 MHz rate )
1 : Square Pixel data input
NTSC : 24.5454 MHz PAL : 29.50 MHz
Synchronization mode setting is done.
bit 1
REC656
Rec656 Set bit
R/W 0 : synchronization is made with HDI / VDI input.
1 : synchronization is made with ITU-R BT.656 data input
Set-up setting is done
bit 2
SETUP
Setup bit
R/W 0 : with no set-up
1 : with 7.5 IRE set-up
Operation mode for Video Amp.
bit 3
~
bit 4
VAMPMD0
~
VAMPMD1
VAMPMD[1:0]
VIdeo Amp Mode Set
bit
R/W
00: Video Amp OFF + SAG Compensation OFF
01: Video AMP ON + SAG Compensation ON
10: Video Amp ON + No SAG Compensation
11: Reserved
bit 5
~
Reserved Reserved bit
R/W Set “0”
bit 7
MS0413-E-00
36
2005 / Aug