User's Manual

GSM/GPRS/GNSS Module Series
MC60 Hardware Design
MC60_Hardware_Design Confidential / Released 53 / 99
Figure 24: Reference Design for Firmware Upgrade
1. In stand-alone solution, make sure the Auxiliary UART Port is connected to the GNSS UART Port
before firmware upgrade. So it is recommended to retain this firmware upgrade circuit in design.
2. The firmware of module might need to be upgraded due to a certain reasons. It is thus recommended
to reserve these pins in the host board for firmware upgrade.
3.7.2. Debug Port
 Two lines: DBG_TXD and DBG_RXD.
 The port outputs log information automatically.
 Debug Port is only used for firmware debugging and its baud rate must be configured as 460800bps.
Figure 25: Reference Design for Debug Port
NOTE