tc5747 ETC-unknow, tc5747 Datasheet - Page 23

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

TC5747 Preliminary Data Sheet
Single Chip CMOS Imager
4.2 Parallel Video Interface (PVI)
The PVI generates the video output of the TC5747. The interface consists of a vertical frame-start signal and
a 10-bit parallel data bus with clock and qualify signals. It supports parallel and serial modes of operation.
4.2.1
The PVI produces a clock signal (the
are synchronous to that clock. On each determining edge of
the data bus, if qualified by the
Valid data are qualified by the
out on the parallel interface. It is inactive when dark lines are read, or during the vertical blank period. The
VALIDH
End-of-line markers.
Parallel Mode of Operation
signal can be configured to qualify only the valid image data, or to qualify optional Start-of-line and
Figure 10: Vertical and Horizontal Qualify Signals
VALIDH
VALIDH
Figure 9: PVI Qualification Signal Timing
CLK_OUT
signal.
signal. The
pin), a 10-bit data bus,
TransChip
VALIDH
17
signal is activated only when image data is sent
CLK_OUT
DOUT[9:0]
, a single data byte is transferred on
and qualifying signals that