Functional Diagram - Quectel SC690A Series Hardware Design

2.3. Functional Diagram

The following figure shows a block diagram of the module and illustrates the major functional parts.
⚫
Power management
⚫
Baseband
⚫
LPDDR4X + EMMC flash
⚫
Radio frequency
⚫
Peripheral interface
-- USB interfaces
-- (U)SIM interfaces
-- UART interfaces
-- SD card interface
-- I2C interfaces
-- ADC interfaces
-- LCM (MIPI) interfaces
-- TP (touch panel) interfaces
-- Camera (MIPI) interfaces
-- Audio interfaces
Power
Signal
VBAT
Battery
USB_VBUS
LEDs
Flash
LCM_BIAS
Motor
ADC
PWRKEY
VRTC
SD_LDO5
SD_LDO22
USIM1_VDD
USIM2_VDD
LDO9_1V8
SC690A_Series_Hardware_Design
Power
Function
PMI
PMU
CODEC
MICs Line_out EAR Headset
ANT_ MAIN ANT_ GNSS
Switch
APT
Duplexs
QPA
Tranceiver
SPI I2S LCM TP
Smart Module Series
ANT_DRX ANT_WiFi/BT
SAW
Switch
LNA
SAW
SAW
5G FEM
WCN
LPDDR
eMMC
Baseband
USB
2×(U)SIM
CAM UART SD 3.0
2.0&3.1
DIP
SAW
GPIOs
I2C
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