1、综述 Timer 3 and Timer 4 are two 8-bit timers(8位定时器). Each timer has two independent capture/compare channels(独立的捕获/比较通道),each using one I/O pin per channel. Features: · Two capture/compare channels
· Set, clear or toggle output compare
· Clock prescaler for divide by 1, 2, 4, 8, 16, 32, 64, 128(分频)
· Interrupt request generated on each capture/compare and terminal-count event
· DMA trigger function
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