Reset; Reset Bc66/Bc660K-Gl With Hardware Method - Quectel BC66 Manual

VBAT
VBAT
BC66
BC660K-GL
Figure 7: Turning off BC66/BC660K-GL by Disconnecting VBAT
NOTES
1. The red part in the above figure is for BC66.
2. The black part in the above figure is for BC660K-GL.

4.4. Reset

BC66 and BC660K-GL can be reset with hardware and software methods, which are illustrated below.

4.4.1. Reset BC66/BC660K-GL with Hardware Method

Driving the RESET/RESET_N low for at least 50 ms resets BC66/BC660K-GL. The reference design for
resetting the module is shown below. An open drain/collector driving circuit or button can be used to
control the RESET/RESET_N pin.
Reset pulse
Figure 8: Compatible Reference Design for Reset controlled with an OC/OD driver
BC66&BC660K-GL_Compatible_Design
˃ 5 ms
˃ 5 ms
RUNNING
RUNNING
R1 Q1
4.7 kΩ
R2
47 kΩ
BC66&BC660K-GL Compatible Design
OFF
OFF
BC66/BC660K-GL
RESET/RESET_N
C1 NM
100 nF
NB-IoT Module Series
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