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counter!!!
hoi ve counter: xin chao cac ban minh co mot thac nac the nay
khi ta dem xung ngoai dung :timer0 thi xung ngoai dua vao chan A4
va ta dung lenh: setup_counters(rtcc_ext_h_to_l,rtcc_div_1);
bay gio minh muon dem xung tren c0va c1 (dung timer1)
thi khai bao the nao?
mong cac ban giup do cam on!
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