OV9625 Datasheet, PDF (26/30 Pages) List of Unclassifed Manufacturers – OV9625 Color CMOS SXGA (1.3 MPixel) CAMERACHIP OV9121 B&W CMOS SXGA (1.3 MPixel) CAMERACHIP

OV9625/OV9121 CMOS SXGA (1.3 MPixel) CAMERACHIP™
Omni ision
Table 11
Address
(Hex)
32
33
34
35
36
Device Control Register List
Register
Name
COMM
Default
(Hex)
0A
(0Ffor
VGA)
R/W
Description
Common Control M
Bit[7:6]: Reserved
Bit[5]: Vertical window end position LSB (MSBs in register
VEND[7:0] - see “VEND” on page 23)
Bit[4]: Vertical window start position LSB (MSBs in register
VSTRT[7:0] - see “VSTRT” on page 23)
RW
Bit[3:2]: Horizontal window end position LSBs (MSBs in register
HREFST[7:0] - see “HREFEND” on page 22)
Bit[1:0]: Horizontal window start position LSBs (MSBs in register
HREFST[7:0] - see “HREFST” on page 22)
CHLF
RSVD
VBLM
VCHG
Note: For maximum output window size of 1292x1024, value of this
register should be 0x0D.
Current Control
Bit[7:6]: Sensor current control
00: Minimum
11: Maximum
Bit[5]: Sensor current range control
0: CHLF[7:6] current control at normal range
1: CHLF[7:6] current at half range
Bit[4]: Sensor current double ON/OFF
0: Normal
1: Double current
28
RW
Bit[3]: Sensor buffer current control
0: Normal
1: Half current
Bit[2]: Column buffer current control
0: Normal
1: Half current
Bit[1]: Analog DSP current control
0: Normal
1: Half current
Bit[0]: ADC current control
0: Normal
1: Half current
XX
–
Reserved
90
RW Reference Voltage Control
Sensor Precharge Voltage Control
Bit[7]: Reserved
Bit[6:4]: Sensor precharge voltage control
17
RW
000: Lowest voltage
111: Highest voltage
Bit[3:0]: Sensor array common reference control
000: Lowest voltage
111: Highest voltage
26
Proprietary to OmniVision Technologies
Version 1.3, September 15, 2003