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M38047FEHKP 数据表(PDF) 149 Page - Renesas Technology Corp |
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M38047FEHKP 数据表(HTML) 149 Page - Renesas Technology Corp |
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149 / 387 page ![]() 2-25 APPLICATION 2.3 Timer Rev.1.00 Jan 14, 2005 REJ09B0212-0100Z 3804 Group (Spec.H) Fig. 2.3.6 Structure of Timer XY mode register Timer X /Timer Y operation modes Timer mode Pulse output mode Event counter mode Pulse width measurement mode CNTR0 / CNTR1 active edge switch bit (bits 2, 6 of address 002316) contents “0” CNTR0 / CNTR1 interrupt request occurrence: Falling edge ; No influence to timer count “1” CNTR0 / CNTR1 interrupt request occurrence: Rising edge ; No influence to timer count “0” Pulse output start: Beginning at “H” level CNTR0 / CNTR1 interrupt request occurrence: Falling edge “1” Pulse output start: Beginning at “L” level CNTR0 / CNTR1 interrupt request occurrence: Rising edge “0” Timer X / Timer Y: Rising edge count CNTR0 / CNTR1 interrupt request occurrence: Falling edge “1” Timer X / Timer Y: Falling edge count CNTR0 / CNTR1 interrupt request occurrence: Rising edge “0” Timer X / Timer Y: “H” level width measurement CNTR0 / CNTR1 interrupt request occurrence: Falling edge “1” Timer X / Timer Y: “L” level width measurement CNTR0 / CNTR1 interrupt request occurrence: Rising edge Table 2.3.1 CNTR0 /CNTR1 active edge switch bit function Timer XY mode register b7 b6 b5 b4 b3 b2 b1 b0 Timer XY mode register (TM: address 002316) b 2 3 4 5 0 1 6 7 Name Functions At reset R W 0 0 0 Refer to Table 2.3.1 0 0 0 0 0 Timer X operating mode bits Timer Y operating mode bits 0: Count start 1: Count stop Refer to Table 2.3.1 0: Count start 1: Count stop b5 b4 0 0: Timer mode 0 1: Pulse output mode 1 0: Event counter mode 1 1: Pulse width measurement mode b1 b0 0 0: Timer mode 0 1: Pulse output mode 1 0: Event counter mode 1 1: Pulse width measurement mode Timer Y count stop bit CNTR1 active edge switch bit Timer X count stop bit CNTR0 active edge switch bit |
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