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C167CS Datasheet(PDF) 234 Page - Infineon Technologies AG |
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C167CS Datasheet(HTML) 234 Page - Infineon Technologies AG |
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234 / 517 page  C167CS Derivatives The General Purpose Timer Units User’s Manual 10-6 V2.0, 2000-07 The timer input frequencies, resolution and periods which result from the selected prescaler option are listed in Table 10-2. This table also applies to the Gated Timer Mode of T3 and to the auxiliary timers T2 and T4 in timer and gated timer mode. Note that some numbers may be rounded to 3 significant digits. Table 10-2 GPT1 Timer Input Frequencies, Resolution and Periods @ 20 MHz fCPU = 20 MHz Timer Input Selection T2I/T3I/T4I 000B 001B 010B 011B 100B 101B 110B 111B Prescaler factor 8 16 32 64 128 256 512 1024 Input Frequency 2.5 MHz 1.25 MHz 625 kHz 312.5 kHz 156.25 kHz 78.125 kHz 39.06 kHz 19.53 kHz Resolution 400 ns 800 ns 1.6 µs3.2 µs6.4 µs 12.8 µs 25.6 µs 51.2 µs Period 26.2 ms 52.5 ms 105 ms 210 ms 420 ms 840 ms 1.68 s 3.36 s Table 10-3 GPT1 Timer Input Frequencies, Resolution and Periods @ 25 MHz fCPU = 25 MHz Timer Input Selection T2I/T3I/T4I 000B 001B 010B 011B 100B 101B 110B 111B Prescaler factor 8 16 32 64 128 256 512 1024 Input Frequency 3.125 MHz 1.56 MHz 781.25 kHz 390.62 kHz 195.3 kHz 97.65 kHz 48.83 kHz 24.42 kHz Resolution 320 ns 640 ns 1.28 µs2.56 µs5.12 µs 10.2 µs 20.5 µs 41.0 µs Period 21.0 ms 41.9 ms 83.9 ms 168 ms 336 ms 671 ms 1.34 s 2.68 s Table 10-4 GPT1 Timer Input Frequencies, Resolution and Periods @ 33 MHz fCPU = 33 MHz Timer Input Selection T2I/T3I/T4I 000B 001B 010B 011B 100B 101B 110B 111B Prescaler factor 8 16 32 64 128 256 512 1024 Input Frequency 4.125 MHz 2.0625 MHz 1.031 MHz 515.62 kHz 257.81 kHz 128.91 kHz 64.45 kHz 32.23 kHz Resolution 242 ns 485 ns 970 ns 1.94 µs3.88 µs7.76 µs 15.5 µs 31.0 µs Period 15.9 ms 31.8 ms 63.6 ms 127 ms 254 ms 508 ms 1.02 s 2.03 s |
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