Quectel BC68 Hardware Design

GSM/GPRS Module Series
M66 Hardware Design
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IO Connector
TXD
RXD
GND
PWRKEY
Module (DCE)
UART port
TXD
RXD
GND
PWRKEY
Figure 17: Reference Design for Firmware Upgrade
The firmware of module might need to be upgraded due to certain reasons. It is recommended to reserve
these pins in the host board for firmware upgrade.
3.7.2. Debug Port
 Two lines: DBG_TXD and DBG_RXD.
 It outputs log information automatically.
 Debug Port is only used for firmware debugging and its baud rate must be configured as 460800bps.
Peripheral
TXD
RXD
GND
Module
DBG_TXD
DBG_RXD
GND
Figure 18: Reference Design for Debug Port
NOTE
Quectel
Confidential

Quectel BC68 Specifications

General

Brand	Quectel
Model	BC68
Category	Control Unit
Language	English