ov9625 ETC-unknow, ov9625 Datasheet - Page 22

• Manufacturer Part Number: ov9625
• Description: Ov9625 Color Cmos Sxga Mpixel Camerachip Ov9121 Cmos Sxga Mpixel Camerachip
• Manufacturer: ETC-unknow

OV9625/OV9121
22
Table 11
Address
(Hex)
15
16
17
18
Proprietary to OmniVision Technologies
HREFEND
Register
HREFST
Device Control Register List
COMK
Name
RSVD
CMOS SXGA (1.3 MPixel) C
Default
(Hex)
(13 in
(63 in
VGA)
VGA)
XX
BD
1D
00
R/W
RW
RW
RW
–
Common Control K
Reserved
Horizontal Window Start Most Significant 8 bits, LSB in register
COMM[1:0] (see
Note:
1. HFREFST[9:0] should be less than HREFEND[9:0].
2. For maximum output window size of 1292x1024, minimum value of
this register is 0x1C.
Horizontal Window end most significant 8 bits, LSB in register
COMM[3:2] (see
Note:
1. HREFEND[9:0] should be larger than HREFST[9:0].
2. For maximum output window size of 1292x1024, maximum value of
this register is 0xBD.
Bit[7]:
Bit[6]:
Bit[5]:
Bit[4]:
Bit[3]:
Bit[2]:
Bit[1]:
Bit[0]:
HREFST[9:0]: Selects the beginning of the horizontal window,
HREFEND[9:0]: Selects the end of the horizontal window, each
AMERA
C
HIP
CHSYNC pin output swap
0:
1:
HREF pin output swap
0:
1:
PCLK output selection
0:
1:
PCLK edge selection
0:
1:
HREF output polarity
0:
1:
Reserved
VSYNC polarity
0:
1:
HSYNC polarity
0:
1:
™
“COMM” on page
“COMM” on page
CHSYNC
HREF
HREF
CHSYNC
PCLK always output
PCLK output qualified by HREF
Data valid on PCLK falling edge
Data valid on PCLK rising edge
Output positive HREF
Output negative HREF, HREF negative for data valid
Positive
Negative
Positive
Negative
each LSB represents two pixels. Adjustment steps
must be 2 pixels.
LSB represents two pixels. Adjustment steps
must be 2 pixels.
Description
26).
26).
Version 1.3, September 15, 2003
O
mni
ision