SE868Kx-Ax Family Product User Guide
1VV0301201 Rev. 5
Page 36 of 83
2021-07-15
Not Subject to NDA
8.
FLASH UPGRADABILITY (SE868-A AND SE868K3-AX ONLY)
Note: The SE868-AS and SE868K7-Ax modules use ROM memory and
therefore are not upgradable.
Please refer to the product EVK User Guide for more detailed
information.
The firmware stored in the internal Flash memory may be upgraded via the primary serial
port TX/RX pins. In order to update the FW, the following steps should be performed to
re-program the module.
1.
Remove all power to the module.
2.
Connect serial port USB cable to a PC.
3.
Apply main power.
4.
Clearing the entire flash memory is strongly recommended prior to programming.
5.
Run the software utility to re-flash the module.
6.
Upon successful completion of re-flashing, remove main power to the module for
a minimum of 10 seconds.
7.
Apply main power to the module.
8.
Verify the module has returned to the normal operating state.
