2026年4月16日
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Learn how to configure the RA0E1 Fast Prototyping Board to receive universal asynchronous receiver/transmitter (UART) data while the device operates in Software Standby mode, a low‑power operating state.
This video demonstrates how an incoming UART signal can trigger a receive interrupt that wakes the device from low‑power operation to normal mode, allowing communication to continue while minimizing power consumption. The example uses the RA0E1 Serial Interface UART‑A, a device‑specific UART channel, to illustrate how UART communication remains available in low‑power applications.
