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Power
Power
Function
Signal
C 1
V DD_ RF
VOL_UP
MICs
SPK
Codec
EAR
Headset
SD_VDD
PM660L
SD_PU_VDD
LDO3B_2P8
LDO7B_3P125
PWM
VPH_PWR
BBCLK
VRTC
RFCLK
USIM1_VDD
USIM2_VDD
PM660
LDO11A_1P8
LDO13A_1P8
LDO14A_1P8
ADCs
HK ADC
PWRKEY
VOL DOWN
VBUS
BATTERY
-
NOTE
The red dotted frame is Wi-Fi MIMO path, which is not supported by SC66-CE and SC66-W.
2.4. Evaluation Board
In order to help customers design and test applications with Quectel SC66 modules, Quectel supplies an
evaluation kit, which includes an evaluation board, a USB to RS232 converter cable, a USB Type-C data
cable, a power adapter, an earphone and antennas. For details, please refer the document [1] .
SC66_Hardware_Design
ANT_ MAIN
ANT _ GNSS
SAW
Switch
VPH_PWR
APT
LNA
SAW
Duplexs
SAW
0Ω
PA
Tranceiver
38.4 M
XO
Porcessors
Air Interface
Multimedia
USB
SPI
LCM
TP
CAM
2.0&3.1
Figure 1: Functional Diagram
Smart LTE Module Series
SC66 Hardware Design
ANT_WIFI_MIMO
ANT _ DRX
ANT_WIFI/BT
Switch
SAW
FEM
FEM
38.4MHZ
XO
WCN
PM-3003A
LPDDR
eMMC
MEM
Baseband
Connectivity
13.2
769
GPIOs
2×(U)SIM
SD 3.0
I2C
UART
I2S
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