Rtc (Real Time Clock); Sim Card Interface - Fibocom G600 User Manual

Gprs module development kit
Hide thumbs Also See for G600:
Table of Contents

Advertisement

c turn on or
press
POWER_ON
button)

4.4 RTC (Real Time Clock)

G600 module includes a particular pin of RTC power supply. The RTC will continue running after
main power supply is cut off.
Lead the pin to JP7-1pin on development board, and design a 220uF standby capacitance.
Short circuit JP7 (1-2pin) will ensure real time clock continue running about 160 senconds after the
main power supply is cut off.
You can directly provide power supply to KP7-1pin, or put a button battery to ensure the
long-time running of real time clock.

4.5 SIM Card Interface

Development board includes a complete SIM card socket and interface circuit. You can refer to it
when you are designing.
H330 HSPA+ Module Development Kit User Manual
of 25
Power ON
(automati
Turn off
all LED is the same as power off mode.
interface, it will cause current reperfusion,
and affect the normal indicator of VDD)
LPG
Turn off
LTX
Turn off
VDD
Turn on
LPG
Turn on
Turn off (It twinkles when it register
TX_EN
network)
Press POWER_ON button more than 3S, and the state of
Page 13

Advertisement

Table of Contents
loading

Table of Contents