Usb Interface - Quectel BC66 Manual

Figure 10: Compatible Reference Design for NETLIGHT
NOTE
The NETLIGHT function of BC660K-GL is under development.

4.6. USB Interface

BC66 has a USB interface which conforms to USB 1.1 specifications and supports full speed (12 Mbps)
mode. Supporting USB serial drivers for Windows/Linux operating systems, the interface can be used for
software debugging and software upgrade. For more details, see document [1].
BC660K-GL does not support USB function.
The following is a reference design for the USB interface of BC66:
BC66/BC660K-GL
VUSB_3V3 RESERVED
USB_DM RESERVED
USB_DP RESERVED
Figure 11: Compatible Reference Design for USB Interface
BC66&BC660K-GL_Compatible_Design
BC66/BC660K-GL
NETLIGHT
3.3 V
GND
NB-IoT Module Series
BC66&BC660K-GL Compatible Design
VBAT
2.2 kΩ
4.7 kΩ
47 kΩ
ESD Array
USB_DM
USB_DP
GND
PC
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