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ra8-firmware 0.1.0
Bare-metal firmware for the Renesas RA8 family (RA8D2 / RA8P1)
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Runs AGT0 in pulse-output mode with compare-match A driving the AGTOAn pin (HUM Ch 24.3.4 "Pulse Output Mode" p 1177), toggling LED1 and logging the tick count on every underflow.
Each underflow stops and re-arms the channel, which is how AGTCR.TUNDF gets cleared. agt_periodic is the same timer with no pin output.