Quectel BC66 - Page 7

NB-IoT Module Series
BC66&BC660K-GL Compatible Design
BC66&BC660K-GL_Compatible_Design 6 / 30
Figure Index
Figure 1: BC66 & BC660K-GL Pin Assignment (Top View) ........................................................................11
Figure 2: VBAT Voltage Waveform Diagram .............................................................................................. 15
Figure 3: Compatible Reference Design for Power Supply ....................................................................... 16
Figure 4: Compatible Reference Design for BOOT/PWRKEY Controlled with a Button ........................... 17
Figure 5: BC66 & BC660K-GL Turn-on Timing .......................................................................................... 17
Figure 6: Turning Off BC66 with AT Command .......................................................................................... 18
Figure 7: Turning off BC66/BC660K-GL by Disconnecting VBAT ............................................................. 19
Figure 8: Compatible Reference Design for Reset controlled with an OC/OD driver ............................... 19
Figure 9: Timing of Module Reset .............................................................................................................. 20
Figure 10: Compatible Reference Design for NETLIGHT ......................................................................... 21
Figure 11: Compatible Reference Design for USB Interface ..................................................................... 21
Figure 12: Compatible Reference Design for USIM Interface ................................................................... 22
Figure 13: Compatible Reference Design for Level Conversion Circuits .................................................. 23
Figure 14: Reference Design for RF Antenna Interface ............................................................................ 25
Figure 15: Bottom Views of BC66/BC660K-GL ......................................................................................... 26
Figure 16: Recommended Footprint of BC66/BC660K-GL (Unit: mm) ..................................................... 27
Figure 17: Installation Sketch for BC66&BC660K-GL ............................................................................... 28