
 Table 1. Pin Description
Pin No.
Name
Pin Type
Function/Description
01
SVDD
V
in
Array power (+5VDC)
02
RESET
Function
(Default = 0)
Chip Reset, active high
03
AGCEN
Function
(Default = 0)
Automatic Gain Control (AGC) selection
“0” - Disable AGC
“1” - Enable AGC
NOTE: This function is disabled when OV6620/OV6120 sensor is config-
ured in I
2
C mode.
04
FREX
Function
(Default = 0)
Frame Exposure Control
“0” - Disable Frame Exposure Control
“1” - Enable Frame Exposure Control
05
VRCAP2
V
ref 
(2.5V)
Array reference. Connect to ground through 0.1 uF capacitor.
06
ASUB
V
in
Analog substrate voltage
07
AGND
V
in
Analog ground
08
AVDD
V
in
Analog power supply (+5VDC)
09
PWDN
Function
(Default = 0)
Power down mode selection
“0” - normal mode
“1” - power down mode
10
VrCAP1
N/C
Internal voltage reference. Connect to ground through 0.1 μF capacitor.
11
VrCAP3
Internal voltage reference. Connect to ground through 1 μF capacitor.
12
IICB
Function
(Default = 0)
I
2
C enable selection
“0” - Enable I
2
C
“1” - Enable autocontrol mode
13
VTO
O
Luminance Composite Signal Output
14
ADVDD
V
in
Analog power supply (+5VDC)
15
ADGND
V
in
Analog signal ground
16
VSYNC/CSYS
I/O
Vertical sync output. At power up, read as CSYS.
17
FODD/CLK
I/O
Field ID FODD output or main clock output
18
HREF/VSFRAM
I/O
HREF output. At power up, read as VSFRAM 
19
UV7/B8
I/O
Bit 7 of U video component output. At power up, sampled as B8.
20
UV6/ABKEN
I/O
Bit 6 of U video component output. At power up, sampled as ABKEN.
21
UV5/MIR
I/O
Bit 5 of U video component output. At power up, sampled as MIR.
22
UV4
I/O
Bit 4of U video component output. 
23
UV3
I/O
Bit 3 of U video component output.
OV6620/OV6120
SINGLE IC CMOS COLOR AND B/W DIGITAL CAMERAS
O
MNI
V
ISION
 T
ECHNOLOGIES
, Inc.