MEIG SLM 320 - AT Command Reset

MeiG_SLM320_Hardware Design Manual
MeiG Smart Technology Co., Ltd
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The reference circuit is similar to the PWRKEY control circuit, and the customer can control the
RESET_N pin by using an open set drive circuit or a button.
RESET_N
4.7K
47K
Reset pulse
Figure 9 RESET_N reset the open set reference circuit
TVS
RESET_N
S2
Close to S2
Figure 10 RESET_N reset button reference circuit
The reset sequence diagram is as follows:
VBAT
RESET_N
≥150ms
V
IL
≤0.3V
V
IH
≥1.6V
Figure 11 RESET_N reset sequence diagram
3.6.2 AT command Reset
Through SLM320 UART or USB AT port, enter AT+TRB command, make SLM320 reset and restart.