Configuring UART Communication on the MM32F5330 with Interrupt Handling

The following steps demonstrate how to establish a UART link between the MM32F5330 and an onboard CH340 USB-to-serial converter, utilizing pins PA9 (TX) and PA10 (RX). The implementation covers peripheral clock setup, GPIO multiplexing, UART configuration, and receive interrupt management. Hardware Connection The CH340 connects directly to the ...

Posted on Wed, 09 Sep 2026 16:23:25 +0000 by bob