tw9910 ETC-unknow, tw9910 Datasheet - Page 55

• Manufacturer Part Number: tw9910
• Description: Power Ntsc/pal/secam Video Decoder With Slicer
• Manufacturer: ETC-unknow

TW9910
0x53 – WSS1
0x54 – WSS2
0x55 – VVBI
TECHWELL, INC.
5-0
7-0
3-0
Bit
Bit
Bit
7
6
7
6
5
4
CRCERR
WSSFLD
WSS[13:8]
WSS[7:8]
HA656
EAVSWAP
HAMM84
NTSC656
VVBI
Function
Function
Function
R/W
R/W
R/W
R/W 1:HACTIVE signal is same as DVALID signal in H Down scaled video
R/W 1:EAV-SAV code is swapped.
R/W 1:enable 84 Hamming Code checking BI Slicer.0: disable.
R/W 1:Number of Even Field Video output line is (the number of Odd field
R/W The number of raw VBI data output line counted from top video active
R
R
R
R
This bit is only valid in 525 line video system.
1: CGMS(WSS525) CRC error detected in current field.
0:No CRC error
0:current WSS data is received in Odd field.
1: current WSS data is received in Even field.
CGMS(WSS525) Bit13-8 in 525 line video system.
Wide Screen Signaling Bit13-8 in 625 line video system.
CGMS(WSS525) Bit7-0 in 525 line video system.
Wide Screen Signaling Bit7-0 in 625 line video system.
0:HACTIVE signal is always HACTIVE register’s length.
0:EAV-SAV code is not swapped(standard 656 output mode)
Video output line – 1). This bit is required for ITU-R BT.656 output for
525-line system standard.
0: Number of Even Field Video output line is same as the number of
Odd field Video output line.
line signal timing.
output.
55
Description
Description
Description
Low Power NTSC/PAL/SECAM
Video Decoder with VBI Slicer
09/21/2006
REV.
Reset
Reset
Reset
X
X
X
X
0
0
0
0
0
A