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參數(shù)資料
| 型號： | OV6630 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SINGLE-CHIP CMOS CIF COLOR DIGITAL CAMERA |
| 中文描述： | 單芯片CMOS到岸價格彩色數(shù)碼攝像機 |
| 文件頁數(shù)： | 23/29頁 |
| 文件大?。?/td> | 206K |
| 代理商： | OV6630 |
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S INGLE IC CMOS COLOR AND B/W DIGIT AL CAMERAS
March 4, 2000
Version 1.0
23
lowest, “11” – highest.
COMS[1:0] – select lowest luminance level to be available in AWB control. “00” –
lowest, “11” – highest.
Automatic exposure control
AEC[7:0] - Set exposure time
T
EX
= 2
×
T
LINE
×
AEC[7:0]
Clock rate control
CLKRC[7:6] – Sync output polarity selection
“00” – HSYNC=Neg, CHSYNC=Neg, VSYNC=Pos
“01” – HSYNC=Neg, CHSYNC=Neg, VSYNC=Neg
“10” – HSYNC=Pos, CHSYNC=Neg, VSYNC=Pos
“11” – HSYNC=Pos, CHSYNC=Pos, VSYNC=Pos
CLKRC[5:0] – Clock pre-scaler
CLK = (MAIN_CLOCK / ((CLKRC[5:0] + 1)
×
2)) / n
Where n=1 if register [3E], COMO<7> is set to “1” and n=2 otherwise.
Common control A
COMA[7] – SRST, “1” initiates soft reset. All registers are set to default values and
chip is reset to known state and resumes normal operation. This bit is automatically
cleared after reset.
COMA[6] – MIRR, “1” selects mirror image
COMA[5] – AGCEN, “1” enables AGC,
COMA[4] – Digital output format, “1” selects 8-bit: Y U Y V Y U Y V
COMA[3] – Select video data output: “1” - select RGB, “0” - select YCrCb
COMA[2] – Auto white balance “1” - Enable AWB, “0” - Disable AWB
COMA[1] – Color bar test pattern: “1” - Enable color bar test pattern
COMA[0] – reserved
Note:
COMA[3] is not programmable on the OV6130 image sensor.
Common control B
COMB[7:6] – reserved
COMB[5] - Select data format. “1” - select 8-bit format, Y/CrCb and RGB is
multiplexed to 8-bit Y bus, UV bus is tri-stated, “0” - select 16-bit format
COMB[4] – “1” - enable digital output in ITU-656 format
COMB[3] – CHSYNC output. “1” - horizontal sync, “0” - composite sync
COMB[2] – “1” – Tri-state Y and UV busses. “0” - enable both busses
COMB[1] – “1” - Initiate single frame transfer.
COMB[0] – “1” - Enable auto adjust mode.
Note:
COMB[5] is not programmable on the OV6130 image sensor.
Common control C
COMC[7:6] – reserved
COMC[5] – QCIF digital output format selection. 1 - 176x144; 0 - 352x288.
COMC[4] – Field/Frame vertical sync output in VSYNC port selection: 1 - frame sync,
only ODD field vertical sync; 0 - field vertical sync, effect in Interlaced mode
COMC[3] – HREF polarity selection: 0 - HREF positive effective, 1 - HREF negative.
COMC[2] – gamma selection: 1 - RGB Gamma on ; 0 - RGB gamma is 1.
COMC[1:0] – reserved
Common Control D
COMD[7:2] – reserved bit.
COMD[1] – PCLK polarity selection. “0” - OV6630/OV6130 output data at PCLK
falling edge and data bus will be stable at PCLK rising edge; “1” - rising edge output
data and stable at PCLK falling edge. This bit is disable and should use PCLK rising
edge latch data bus in ITU-656 format (COMB[4]=1).
COMD[0] – U V digital output sequence exchange control. 1 - UV UV
···
for 16-bit,
U Y V Y
···
for 8-bit; 0 - V U V U
···
for 16-bit and V Y U Y
···
for 8-bit.
Note:
COMD[0] is not programmable on the OV6130 image sensor.
Field slot division
FSD[7:2] – Field interval selection. It has functional in EVEN and ODD mode defined
10
AEC
9A
RW
11
CLKRC
00
RW
12
COMA
24
RW
13
COMB
01
RW
14
COMC
00
RW
15
COMD
01
RW
16
FSD
03
RW
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