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ST10F271Z1T3 Datasheet(PDF) 57 Page - STMicroelectronics |
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ST10F271Z1T3 Datasheet(HTML) 57 Page - STMicroelectronics |
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57 / 185 page  ST10F271Z1 Capture / compare (CAPCOM) units 57/185 Table 31. Compare modes Compare modes Function Mode 0 Interrupt-only compare mode; several compare interrupts per timer period are possible Mode 1 Pin toggles on each compare match; several compare events per timer period are possible Mode 2 Interrupt-only compare mode; only one compare interrupt per timer period is generated Mode 3 Pin set ‘1’ on match; pin reset ‘0’ on compare time overflow; only one compare event per timer period is generated Double register mode Two registers operate on one pin; pin toggles on each compare match; several compare events per timer period are possible. Table 32. CAPCOM timer input frequencies, resolutions and periods at 40 MHz fCPU = 40 MHz Timer input selection TxI 000b 001b 010b 011b 100b 101b 110b 111b Prescaler for fCPU 8 16 32 64 128 256 512 1024 Input frequency 5 MHz 2.5 MHz 1.25 MHz 625 kHz 312.5 kHz 156.25 kHz 78.125 kHz 39.1 kHz Resolution 200 ns 400 ns 0.8 µs 1.6 µs 3.2 µs 6.4 µs 12.8 µs 25.6 µs Period 13.1 ms 26.2 ms 52.4 ms 104.8 ms 209.7 ms 419.4 ms 838.9 ms 1.678 s Table 33. CAPCOM timer input frequencies, resolutions and periods at 64 MHz fCPU = 64 MHz Timer input selection TxI 000b 001b 010b 011b 100b 101b 110b 111b Prescaler for fCPU 8 16 32 64 128 256 512 1024 Input frequency 8 MHz 4 MHz 2 MHz 1 kHz 500 kHz 250 kHz 128 kHz 64 kHz Resolution 125 ns 250 ns 0.5 µs 1.0 µs 2.0 µs 4.0 µs 8.0 µs 16.0 µs Period 8.2 ms 16.4 ms 32.8 ms 65.5 ms 131.1 ms 262.1 ms 524.3 ms 1.049 s |
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