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Table 18: Pin Definition of Rear Camera Interface
Pin Name
LDO6_1V8
LDO17_2V85
MIPI_CSI0_CLKN
MIPI_CSI0_CLKP
MIPI_CSI0_LN0N
MIPI_CSI0_LN0P
MIPI_CSI0_LN1N
MIPI_CSI0_LN1P
CAM0_MCLK
CAM0_RST
CAM0_PWD
CAM_I2C_SCL
CAM_I2C_SDA
The following is a reference circuit design for rear camera interface, by taking the connection with T4KA3
camera as an example.
SC20-WL_Hardware_Design
Pin No
I/O
Description
1.8V output power supply for
125
PO
DOVDD of camera
2.85V output power supply for
129
PO
auto focus circuit and AVDD of
camera
MIPI CSI clock signal
63
AI
(negative)
MIPI CSI clock signal
64
AI
(positive)
MIPI CSI data signal
65
AI
(negative)
MIPI CSI data signal
66
AI
(positive)
MIPI CSI data signal
67
AI
(negative)
MIPI CSI data signal
68
AI
(positive)
74
DO
Clock signal of rear camera
79
DO
Reset signal of rear camera
80
DO
Power down signal of rear camera
83
OD
I2C clock signal of camera
84
OD
I2C data signal of camera
Smart Wi-Fi Module Series
SC20-WL Hardware Design
Comment
1.8V normal voltage.
Vnorm=1.8V
I
max=100mA
O
2.85V normal voltage.
Vnorm=2.85V
I
max=300mA
O
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