Quectel BC660K-GL - Download Mode

NB-IoT Module Series
BC660K-GL Hardware Design
BC660K-GL_Hardware_Design 25 / 57
RESET_N
4.7 kΩ
47 kΩ
Reset pulse
100 nF
NM
Figure 8: Reference Design for RESET_N Controlled with an OC/OD Driving Circuit
RESET_N
S1
Close to S1
TVS
NM
100 nF
Figure 9: Reference Design for RESET_N Controlled with a Button
It is recommended to reserve a 100 nF capacitor position; the capacitor is not mounted by default.
3.6.4. Download Mode
Table 10: Boot Pin Definition
Pin Name
Pin No.
Description
DC Characteristics
Comment
BOOT
7
Make the module enter
download mode
V
IL
max = 0.2 × VDD_EXT
V
IH
min = 0.7 × VDD_EXT
Active low.
NOTE