Smart Module Series
SC690A_Series_Hardware_Design 64 / 105
CSI0 is used for rear camera, CSI1 for front camera and depth camera. Refer to the reference circuit of
CSI0 for that of CSI2.
The camera interfaces are powered by an external power supply. The reference circuit design is as
follows:
VIN
RUN
SW
VFB/VOUT
GND
C1
R1
C3
VPH_PWR
GPIO
DVDD_1V2
U1
IN
EN
OUT
BP/FB
GND
C1
R1
C2
C3
B1
VPH_PWR
GPIO
AVDD_2V8
U1
IN
EN
OUT
BP/FB
GND
C1
R1
C2
C3
B1
VPH_PWR
GPIO
AFVDD_2V8
U1
B1
L1
4.7
μ
F
10 K
22
μ
F
2.2
μ
H
1
μ
F
100 nF
4.7
μ
F
10 K
10K
4.7
μ
F
100 nF 1
μ
F
Figure 21: Reference Circuit Design for Camera Power Supply
⚫
Special attention should be paid to the pin definition of LCM/camera connectors. Ensure the module
and the connectors are correctly connected.
⚫
MIPI is high speed signal traces, supporting maximum data rate up to 2.5 Gbps. The differential
NOTE