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Trenz Electronic GmbH Support Forum

Trenz Electronic Products => Trenz Electronic FPGA Modules => Topic started by: Marekk on May 21, 2025, 12:47:33 PM

Title: Random character printed via UART on TEBF0818-02A
Post by: Marekk on May 21, 2025, 12:47:33 PM
Hi,

I got problem with UART on TEBF0818-02A, one with green dot for module JTAG.
Speed is 115200 and even when board is off I got random characters printed via UART.
JTAG work and I can program FPGA.
Could you let me know whether is firmware or hardware fault?
Can I swap XMOD modules on the board to one without green dot?

Best regards
Marek
Title: Re: Random character printed via UART on TEBF0818-02A
Post by: Antti Lukats on May 23, 2025, 12:34:09 PM
handled by email
Title: Re: Random character printed via UART on TEBF0818-02A
Post by: Antti Lukats on May 23, 2025, 01:35:02 PM
random characters may appera when the level shifting CPLD IO bank on TE0790 is not powered. This is controlled with dip.3
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