Operating Modes - Fibocom G510 Hardware User Manual

Serial communications interfaces

SIM card port

 Real Time Clock (RTC) subsystem
Analog Block
 Power management inside
 PLL generates 624MHz from 26MHz
 Analog audio interface management
GSM Transceiver Block
 G510 Q50-00 supports GSM850/900/1800/1900 bands
 RF receiver, which includes LNAs, Mixers, PLL, I/Q outputs and buffers
 Signal processing IC for transmit and receive GSM data processing
 RF FEM control , which includes RFPA and antenna switch

3.2 Operating Modes

The module has many operating modes and different modes has different status. The operating
modes as listed below:
Operating Modes
Not Powered
Power off Mode
RTC Mode
G510 Hardware User Manual
Description
VBAT & VBACKUP supply is
disconnected.
Valid VBAT supply but not power on.
After reset module, VBCAKUP output
and VDD is off.
Power off mode
VBAT supply is disconnected. But
valid VBACKUP supply
Features
The module is off.
Any signals connected to the interface
connector must be set low or tri-state.
The module MCU/BB/RF is Off.
The PMU is operating in RTC mode.
Any signals connected to the interface
connector must be set low or tri-state.
The module MCU/BB/RF is Off.
The PMU is operating in RTC mode.
Any signals connected to the interface
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