Datasheet

Table Of Contents
8 Proprietary to OmniVision Technologies Version 1.6, February 28, 2006
OV2640 Color CMOS UXGA (2.0 MegaPixel) OmniPixel2™ CAMERACHIP
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Pin Description
Table 3 Pin Description
Pin Location Name Pin Type Function/Description
A1 DOGND Ground Ground for digital video port
A2 EXPST_B Input
Snapshot Exposure Start Trigger
0: Sensor starts exposure (only effective in snapshot mode)
1: Sensor stays in reset mode
Note: There is no internal pull-up/pull-down resistor.
A3 AGND Ground Ground for analog circuit
A4 SGND Ground Ground for sensor array
A5 VREFN Reference Internal analog reference - connect to ground using a 0.1 µF capacitor
A6 STROBE I/O
Flash control output
Default: Input
Note: There is no internal pull-up/pull-down resistor.
B1 DOVDD Power Power for digital video port
B2 FREX Input
Snapshot trigger - use to activate a snapshot sequence
Note: There is no internal pull-up/pull-down resistor.
B3 AVDD Power Power for analog circuit
B4 SVDD Power Power for sensor array
B5 SVDD Power Power for sensor array
B6 PWDN Input
Power-down mode enable, active high
Note: There is an internal pull-down resistor.
C1 SIO_D I/O SCCB serial interface data I/O
C2 SIO_C Input
SCCB serial interface clock input
Note: There is no internal pull-up/pull-down resistor.
C3 HREF I/O
Horizontal reference output
Default: Input
Note: There is no internal pull-up/pull-down resistor.
C4 XVCLK Input
System clock input
Note: There is no internal pull-up/pull-down resistor.
C5 VREFH Reference Internal analog reference - connect to ground using a 0.1 µF capacitor
C6 RESETB Input
Reset mode, active low
Note: There is an internal pull-up resistor.
D2 VSYNC I/O
Vertical synchronization output
Default: Input
Note: There is no internal pull-up/pull-down resistor.
D6 NC No connection
E1 Y1 I/O
Video port output bit[1]
Default: Input
Note: There is no internal pull-up/pull-down resistor.