Fibocom L830-EB - 2.4 Hardware Framework; 3 Application Interface; 3.1 M.2 Interface

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L830-EB Hardware User Manual Page 9 of 39
2.4 Hardware Framework
The hardware framework in Figure 2-2 shows the main hardware functions of L830 module, including
baseband and RF functions.
Baseband contains the followings:
 UMTS/LTE FDD controller/Power supply
 NAND/internal LPDDR2 RAM
 Application interface
RF contains the followings:
 RF Transceiver
 RF Power/PA
 RF Front end
 RF Filter
 Antenna Connector
+3.3V
FUL_CARD_POWER_OFF#
RESET#
USB2.0
USIM
EINT
WOWWAN#
LED
I2S
I2C
CLOCK
Tunable ANT
Baseband
(UMTS/LTE FDD controller)
PMU
TX
LPDDR2
RAM
NAND
Div
FEM
Main
FEMiD
PA DCDC
PA
RF Transceiver
RX
RX
RF Part
TCXO
M.2 Key-B 75pin interface
Div/GNSS
ANT
Main ANT
GNSS
Figure 2-2 Hardware Framework
3 Application Interface
3.1 M.2 Interface
The L830 module uses standard M.2 Key-B interface, with a total of 75 pins.