Functional Diagram; Pin Assignment - Quectel EG915U-EU Manual

2.3. Functional Diagram

The following figure shows a block diagram of the module and illustrates the major functional parts.
⚫
Power management
⚫
Baseband
⚫
Radio frequency
⚫
Peripheral interface
VBAT_RF
VBAT_BB
PWRKEY
RESET_N
PMIC
ADCs
MIC
SPK
VDD_EXT

2.4. Pin Assignment

EG915U-EU_Hardware_Design
ANT_MAIN
PAM
SAW
Duplex
PA
PRx
Tx
26 MHz
Transceiver
DCXO
32 kHz Clock
Control
Control
USB 2x(U)SIM SPI
Figure 1: EG915U-EU Functional Diagram
ANT_BT/WIFI_SCAN
Baseband
SPI Nor Flash (64Mb)
PSRAM (128Mb)
PCM I2C UARTs
LTE Standard Module Series
STATUS
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