OV2640 datasheet(25/43 Pages) OMNIVISION

25 / 43 page

Version 1.6, February 28, 2006

Proprietary to OmniVision Technologies

Omni ision

COM10

Common Control 10 (if Bypass DSP is selected)

Bit[7]:

CHSYNC pin output swap

CHSYNC

HREF

Bit[6]:

HREF pin output swap

HREF

CHSYNC

Bit[5]:

PCLK output selection

PCLK always output

PCLK output qualified by HREF

Bit[4]:

PCLK edge selection

Data is updated at the falling edge of PCLK (user

can latch data at the next rising edge of PCLK)

Data is updated at the rising edge of PCLK (user can

latch data at the next falling edge of PCLK)

Bit[3]:

HREF output polarity

Output positive HREF

Output negative HREF, HREF negative for data

valid

Bit[2]:

Reserved

Bit[1]:

VSYNC polarity

Positive

Negative

Bit[0]:

HSYNC polarity

Positive

Negative

RSVD

–

Reserved

HREFST

Horizontal Window Start MSB 8 bits (3 LSBs in REG32[2:0] (0x32))

Bit[10:0]: Selects the start of the horizontal window, each LSB

represents two pixels

HREFEND

75 (UXGA),

43 (SVGA,

CIF)

Horizontal Window End MSB 8 bits (3 LSBs in REG32[5:3] (0x32))

Bit[10:0]: Selects the end of the horizontal window, each LSB

represents two pixels

VSTRT

01 (UXGA),

00 (SVGA,

CIF)

Vertical Window Line Start MSB 8 bits (2 LSBs in COM1[1:0] (0x03))

Bit[9:0]:

Selects the start of the vertical window, each LSB

represents two scan lines.

VEND

Vertical Window Line End MSB 8 bits (2 LSBs in COM1[3:2] (0x03))

Bit[9:0]:

Selects the end of the vertical window, each LSB

represents two scan lines.

RSVD

–

Reserved

MIDH

Manufacturer ID Byte – High

(Read only = 0x7F)

MIDL

Manufacturer ID Byte – Low

(Read only = 0xA2)

1E-23

RSVD

–

Reserved

Table 13

Device Control Register List (when 0xFF = 01) (Sheet 4 of 7)

Address

(Hex)

Name

Default

(Hex)

R/W

Description

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OV2640 数据表(PDF) 25 Page - OmniVision Technologies, Inc.

OV2640 数据表(HTML) 25 Page - OmniVision Technologies, Inc.

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