Erase command bootloader not responding

[Skelc.1]

Hello everyone, I'm trying to do an erase command for 2 pages but it accepts the command with an ack but after that nothing happens and the bootloader nacks all other commands I waited at least 40 seconds after the erase command but no ack or nack. Anyone have an idea why I don't get anything back not even nack? chip is a stm32f030c8t6 photo below shows the ack return

thank you.

[TDK]

Custom board? Perhaps it loses power or gets reset during the process.

[Tesla DeLorean]

stm32 uart boot loader protocol https://www.st.com/resource/en/application_note/cd00264342-usart-protocol-used-in-the-stm32-bootloader-stmicroelectronics.pdf

Should be sending

44 BB

00 01 00 3E 00 3F 00

[Skelc.1]

oh no such a stupid mistake of course it should be

44 BB

00 01 00 3E 00 3F 00

i misread the documentation a little bit.

I changed the mistake and it runs first try thanks for pointing it out!

[Tesla DeLorean]

The lack of response is indicative that the loader is waiting for additional data to get to the point where it gets a checksum or additional field(s)