OV7141 データシートの表示（PDF） - Unspecified
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OV7141 Datasheet PDF : 20 Pages
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OV7640/OV7141 CMOS VGA (640 x 480) CAMERACHIP™
Table 5
SCCB Register List
Address Register Default
(Hex)
Name
(Hex)
R/W
14
COMC
04
RW
Description
Common Control C
Bit[7:6]: Reserved
Bit[5]: Output Format – Resolution
0: VGA (640x480)
1: QVGA (320x240)
Bit[4]: Reserved
Bit[3]: Data Format – HREF Polarity
0: HREF Positive
1: HREF Negative
Omni ision
15
COMD
00
16
RSVD
XX
17
HSTART
1A
18
HSTOP
BA
19
VSTRT
03
1A
VSTOP
F3
1B
PSHFT
00
1C
MIDH
7F
1D
MIDL
A2
1E
RSVD
XX
POS
NEG
Bit[2:0]: Reserved
Common Control D
Bit[7]: Data Format – Output Flag Bit Disable
0: Frame = 254 data bits (00/FF = Reserved flag bits)
1: Frame = 256 data bits
Bit[6]: Data Format – Y[7:0]-PCLK Reference Edge
RW
0: Y[7:0] data out on PCLK falling edge
1: Y[7:0] data out on PCLK rising edge
Bit[5:1]: Reserved
Bit[0]: Data Format – UV Sequence Exchange
0: V Y U Y V Y U Y
1: U Y V Y U Y V Y
Note: Bit[0] is not programmable on the B&W OV7141.
–
Reserved
RW Output Format – Horizontal Frame (HREF Column) Start
RW Output Format – Horizontal Frame (HREF Column) Stop
RW Output Format – Vertical Frame (Row) Start
RW Output Format – Vertical Frame (Row) Stop
Data Format – Pixel Delay Select
RW (Delays timing of the Y[7:0] data relative to HREF in pixel units)
• Range: [00] (No delay) to [FF] (256 pixel delay)
R Manufacturer ID Byte – High (Read only = 0x7F)
R Manufacturer ID Byte – Low (Read only = 0xA2)
–
Reserved
12
Proprietary to OmniVision Technologies
Version 1.4, March 6, 2003
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