tw9910 ETC-unknow, tw9910 Datasheet - Page 30

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

TW9910
0x01 – Chip Status Register I (STATUS1)
TECHWELL, INC.
7-3
2-0
Bit
Bit
7
6
5
4
3
2
1
0
ID
Revision
VDLOSS
HLOCK
SLOCK
FIELD
VLOCK
MONO
DET50
0x00 – Product ID Code Register (ID)
Function
Function
R/W
R/W
R
R
R
R
R
R
R
R
R
The TW9910 Product ID code is 01011.
The revision number.
1 = Video not present. (Sync is not detected in number of line periods
specified by MISSCNT register)
0 = Video detected.
1 = Horizontal sync PLL is locked to the incoming video source.
0 = Horizontal sync PLL is not locked.
1 = Sub-carrier PLL is locked to the incoming video source.
0 = Sub-carrier PLL is not locked.
0 = Odd field is being decoded.
1 = Even field is being decoded.
1 = Vertical logic is locked to the incoming video source.
0 = Vertical logic is not locked.
Reserved
1 = No color burst signal detected.
0 = Color burst signal detected.
0 = 60Hz source detected
1 = 50Hz source detected
The actual vertical scanning frequency depends on the current
standard invoked.
30
Description
Description
Low Power NTSC/PAL/SECAM
Video Decoder with VBI Slicer
09/21/2006
REV.
Reset
Reset
B
0
0
0
0
0
0
0
0
0
A