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Lattice mVision AR0234 Sensor Board
User Guide
5.3. Flash and Shutter Control Connections
J2 and J3 allow external control for Shutter and Flash.
5.4. IR_CUT Driver Circuit
Figure 5.4
shows the IR_CUT driver circuit. A 3.3 V supply power must be applied using the J5 header. J6 allows external
control of the driver. J4 must be connected to appropriate IR_CUT motor.
3V3
J4
C42
C43
100nF
10uF
HEADER 2
MOTOR
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14
J3
1
2
3
HEADER 3
Figure 5.3. Flash and Shutter Control Connections
IR_CUT Driver
U4
1
VM
1
2
OUT1
2
3
OUT2
C46
4
GND
100nF
EPAD
9
DRV8838DSGT
Figure 5.4. IR_CUT Driver Circuit
J2
1
2
3
HEADER 3
C1
100nF
3V3
8
R14 10K
VCC
7
nSLEEP
J6
6
C44
PH
1
100nF
5
2
EN
HEADER 2
CONTROL
J5
1
3.3 V
2
HEADER 2
C45
10uF
FPGA-UG-02124-1.1
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