Quectel M10 Hardware Description

M10 Hardware Design
judge whether the system is
power on or off. When the
voltage is low, the system is
power off. Otherwise, the
system is power on.
Imax=20mA to add a
2.2~4.7uF bypass
capacitor, when
using this pin for
power supply.
GND Digital ground
Power on or power off
PIN NAME I/O DESCRIPTION DC CHARACTERISTICS COMMENT
PWRKEY I Voltage input for power
on/off key. PWRKEY should
be pulled down to turn on or
turn off the system. The user
should keep pressing the key
for a moment when turn on
or turn off the system.
Because the system need
margin time in order to assert
the software.
VILmax=0.3*VBAT
VIHmin=0.7*VBAT
VImax=VBAT
Pull up to VBAT
Internally.
Emergency shutdown
PIN NAME I/O DESCRIPTION DC CHARACTERISTICS COMMENT
EMERG_OFF I Voltage input for emergency
shutdown under emergent
situation. EMERG_OFF
should be pulled down for at
least 20ms to emergency
shutdown the system. The
module can restart if
PWRKEY is activated after
emergency shutdown.
VILmax=0.4V
VIHmin=2.2V
V
open
max=2.8V
Open
drain/collector
driver required in
cellular device
application.
If unused keep
pin open.
Audio interfaces
PIN NAME I/O DESCRIPTION DC CHARACTERISTICS COMMENT
MIC1P
MIC1N
I Positive and negative
voice-band input
Audio DC Characteristics
refer to chapter 3.9.4
MIC2P
MIC2N
I Auxiliary positive and
negative voice-band input
If unused keep
pins open
SPK1P
SPK1N
O Positive and negative
voice-band output
If unused keep
pin open
SPK2P O Auxiliary positive
voice-band output
If unused keep
pins open.
AGND AGND is separate ground
connection for external audio
circuits.
BUZZER O Buzzer output If unused keep
M10_HD_V1.00 - 18 -
Quectel

Quectel M10 Specifications

General

Brand	Quectel
Model	M10
Category	GSM/GPRS Modules
Language	English