Microchip Technology BM83 EVB, User Manual

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5. Firmware Update
This section describes the firmware update of the BM83 module over UART and USB DFU.
5.1 Firmware Update over UART
To update the firmware of the BM83 module, the user must ensure the hardware settings and configurations
described in the following table.
Table 5-1. BM83 EVB Firmware Update Settings
Jumpers and Switches (
1 )
Description
JP600 and JP601 • Mount a jumper on JP600 (TXD)
• Mount a jumper on JP601 (RXD)
JP304 Mount a jumper on “ADAP_IN” and “5V_ADAP_IN” pins of JP304 pin2 and pin3
JP203 Mount a jumper on 5V_USB and 5V_MCP pins of JP203 pin2 and pin3
SW300 Put SW300 switch to ON position for Test mode
SW200 Put SW200 switch to 5V_USB position
JP305 Mount a jumper on “3V3_IO” and “VDDIO” pins of JP305
J600 Connect the USB cable from a PC to J600
1. To locate these jumpers, switches, and power sources on the BM83 EVB, refer to Figure 3-2 and Figure 2-1 .
Perform the following steps to load the firmware files onto the BM83 module using isUpdate tool.
Note: Download isUpdate tool from http://www.microchip.com/BM83 .
1. Connect the BM83 EVB Micro-B USB port J600 over USB cable to the PC.
Note: Be sure to disconnect the 15V power supply before connecting the USB cable.
2. Observe that the Red LED (D600), Green LED (D209), and Blue LED (D300) turn ON.
3. Open the isUpdate tool. Select the appropriate COM port, set the baud rate to 115200, and image num to 1 as
shown in the following figure.
4. Click Connect .
BM83 EVB
Firmware Update
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2019 Microchip Technology Inc.
User Guide
DS50002902A-page 20