Quectel M10 Hardware Design

M10 Hardware Design
M10_HD_V3.0 - 20 -
3.1.2. Pin description
Table 5: Pin description
Power supply
PIN NAME PIN
NO.
I/O DESCRIPTION DC
CHARACTERISTICS
COMMENT
VBAT 50,51
52
I Module main
power supply.
VBAT=3.3V~4.6V
.
Vmax= 4.6V
Vmin=3.3V
Vnorm=4.0V
It must be able to
provide sufficient
current in a
transmitting burst
which typically
rises to 1.6A.
VRTC 16 I/O Power supply for
RTC when VBAT
is not supplied.
Charging for
backup battery or
golden capacitor
when the VBAT is
supplied.
VImax=VBAT
VImin=2.6V
VInorm=2.75V
VOmax=2.85V
VOmin=2.6V
VOnorm=2.75V
Iout(max)= 730uA
Iin=2.6~5 uA
Recommended to
connect to a
backup battery or a
golden capacitor.
VDD_EXT 7 O Supply 2.8V
voltage for
external circuit.
Vmax=2.9V
Vmin=2.7V
Vnorm=2.8V
Imax=20mA
1. If unused, keep
this pin open.
2. Recommended
to add a 2.2~4.7uF
bypass capacitor,
when used for
power supply.
GND 8,42,
44~
49
Digital ground
Turn on /off
PIN NAME PIN
NO.
I/O DESCRIPTION DC
CHARACTERISTICS
COMMENT
PWRKEY 18 I Power on/off key
PWRKEY should
be pulled down for
a moment to turn
on or off the
system.
VILmax=0.1*VBAT
VIHmin=0.6*VBAT
VImax=VBAT
Pull up to VBAT
internally.
Emergency shutdown
PIN NAME PIN
NO.
I/O DESCRIPTION DC
CHARACTERISTICS
COMMENT

Quectel M10 Specifications

General

Brand	Quectel
Model	M10
Category	GSM/GPRS Modules
Language	English