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TM4C129X In-System programming

Sharadanand Karanjkar
Intellectual 485 points


Hello All,

In one of our projects, we need to do ISP (In-System Programming) through UART.

My doubt is-

Is ISP provided directly by default in TM4C129X microcontrollers? If so can it be invoked by using LM-Flash Programmer utility ? If so how can it be done?

I have already tried it on DK-TM4C129X board but has not worked for me((I used UART0 and 15200 baud rate and auto baud supported)). In our application we have used standard start up files supported in Code Composer Studio.

regards,

Sharadanand

  • 0
    TI__Guru**** 244440 points
    Hello Sharadanand,

    ISP is supported via the serial pots and I have tested the same on the DK-TM4C129X EVM. If the device is not empty (has flash application code) then a boot loader call must be invoked as given in the examples for serial boot in the TivaWare or BOOTCFG pin with a reset must be done to enable the ROM based boot loader.

    Regards,
    Amit