tc5747 ETC-unknow, tc5747 Datasheet - Page 30

• Manufacturer Part Number: tc5747
• Description: Single Chip Cmos Imager With Integrated Image Signal Processor Jpeg Codec
• Manufacturer: ETC-unknow

TC5747 Data Sheet
Single Chip CMOS Imager
4.2.7.2
A “ Timing signal” or Marker is defined in the
bytes holding reserved values of
function is defined in the standard.
Bits [7:4] of the Marker-content byte carry the marker information:
Bits [3:0] of the Marker-content byte provide parity check capability, allowing for one-bit errors to be
corrected, and two-bit errors to be detected, according to
When adhering to the bit-definition of the
consecutive frames, either by inserting markers on at least one blank line between frames, or by toggling the
field bit on every frame start.
The
PVI
supports the following options.
ITU 656 Markers
Bit [7] – Always 1 to avoid 0x00 code
Bit [6] – F – field 0 or field 1
Bit [5] – V - blank or active video line indication (0 for active, 1 for blank)
Bit [4] – H - End/Start bit, 0 for Start-of-line marker, 1 for End-of-line
Marker
SAV
SAV
EAV
EAV
SAV
SAV
EAV
EAV
- active
- blank
- active
- blank
- active
- blank
- active
- blank
Field
0
0
0
0
1
1
1
1
FF 00 00
Table 5: ITU 656 Markers
Marker Header
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
0xFF
, and the fourth byte composed of a collection of bits whose
ITU-656
ITU 656
TransChip
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
24
standard as a sequence of four bytes, the first three
standard, there is a need to distinguish between
ITU-656-4
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Marker content
DOUT[9:2] / DYUV[7:0]
Standard.