MeiG_SLM156_Hardware Design Manual
MeiG Smart Technology Co., Ltd
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VOHmin=1.35V
DLOAD
28
DI
Force dload pin
VIHmax=2.1V
VIHmin=1.3V
VILmax=0.5V
Connect to 1.8v
and start up to
enter the
mandatory
loading mode
MCLK
29
D
O
MCLK output
VOLmax=0.45V
VOHmin=1.35V
W_DISABLE_N
47
D
O
Flight mode
control
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
External pull-up
to 1.8V is
required, in low
level, the module
enters into flight
mode, if unused,
keep it open
BAT_THERM
52
DI
Battery
temperature
detection
VIHmax=2.1V
VIHmin=1.3V
VILmax=0.5V
1.8V power
domain, if
unused, keep it
open
SENSOR_INT
46
DI
Sensor
interrupt input
VIHmax=2.1V
VIHmin=1.3V
VILmax=0.5V
1.8V power
domain, if
unused, keep it
open
PWM
38
D
O
Pulse width
modulation
VOLmax=0.45V
VOHmin=1.35V
1.8V power
domain, if
unused, keep it
open
RESERVED
35
IO
RESERVED
PIN
VIHmax=2.1V
VIHmin=1.3V
VILmax=0.5V
VOLmax=0.45V
VOHmin=1.35V
1.8V power
domain, if
unused, keep it
open
3.4 Operating Mode
Table 5 Overview of operating mode
Mode
Description
Normal mode
IDLE
Software is in normal operation. If the module has
registered online, it can receive and send data.
Talk/Data
Network connection is in normal operation. Under this
mode, the module power consumption depends on network
setting and data transmission rate.
