Product Info

Smart LTE Module Series
SC66 Hardware Design
SC66_Hardware_Design 24 / 118
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Baseband
Tranceiver
WCN
LPDDR
eMMC
FEM
XO
ANT_ GNSS
ANT_WIFI/BT
SD 3.0
UART
2×(U)SIM
USB
2.0&3.1
CAM
TP LCM SPI
EAR
SPK
MICs
RFCLK
BBCLK
MEM
Multimedia
Connectivity
Air Interface
Porcessors
Codec
Power
Signal
Power
Function
38.4MHZ
Duplexs
PA
Switch
SAW
LNA
SAW
SAW
Switch
SAW
ANT_DRX
ANT_ MAIN
38.4
M
XO
Headset
APT
VDD_RF
VOL_UP
C
1
VRTC
USIM1_VDD
USIM2_VDD
LDO13A_1P8
LDO11A_1P8
LDO14A_1P8
BATTERY
VPH_PWR
VBUS
GPIOs
13.2
769
I2C
I2S
PWRKEY
VOL DOWN
PM660L
SD_PU_VDD
SD_VDD
ADCs
LDO7B_3P125
LDO3B_2P8
HK ADC
&MPPs
PM660
PWM
PM-3003A
0欧姆跳贴
FEM
ANT_WIFI/BT
Figure 1: Functional Diagram
The red dotted frame is WIFI_MIMO path, which is not supported by SC66-CE and SC66-W.
2.4. Evaluation Board
In order to help customers develop applications with SC66 conveniently, Quectel supplies the evaluation
board, USB to RS232 converter cable, USB Type-C data cable, power adapter, earphone, antenna and
other peripherals to control or test the module.
NOTE