4 Circuit Design
Copyright © Fibocom Wireless Inc.
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Figure 9. Power-off timing sequence
4.2.4
Reset
Module reset method: Pull down the RESET_N pin for 700 ms to 1s, and then release or
send the AT command AT+RESET. Clients can control the RESET_N pin by OC/OD driver
circuit and button switch. The following figure shows the reference circuits.
Figure 10. OC driver reset reference circuit