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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ST10F269ZX 데이터시트(PDF) 54 Page - STMicroelectronics |
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ST10F269ZX 데이터시트(HTML) 54 Page - STMicroelectronics |
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54 / 184 page  10 - GENERAL PURPOSE TIMER UNIT ST10F269 54/184 Resolution and Period (TQFP144 devices) list the timer input frequencies, resolution and periods for each pre-scaler option at 40MHz (or 32MHz) CPU clock. This also applies to the Gated Timer Mode of T6 and to the auxiliary timer T5 in Timer and Gated Timer Mode. Table 14 : GPT2 Timer Input Frequencies, Resolution and Period (PQFP144 devices) Table 15 : GPT2 Timer Input Frequencies, Resolution and Period (TQFP144 devices) fCPU = 40MHz Timer Input Selection T5I / T6I 000b 001b 010b 011b 100b 101b 110b 111b Pre-scaler factor 4 8 16 32 64 128 256 512 Input Freq 10MHz 5MHz 2.5MHz 1.25MHz 625kHz 312.5kHz 156.25kHz 78.125kHz Resolution 100ns 200ns 400ns 0.8µs 1.6µs 3.2µs 6.4µs 12.8µs Period maximum 6.55ms 13.1ms 26.2ms 52.4ms 104.8ms 209.7ms 419.4ms 838.9ms fCPU = 32MHz Timer Input Selection T5I / T6I 000b 001b 010b 011b 100b 101b 110b 111b Pre-scaler factor 4 8 16 32 64 128 256 512 Input Freq 8MHz 4MHz 2MHz 1MHz 500KHz 250KHz 125KHz 62.5KHz Resolution 125ns 250ns 500ns 1 µs2µs4µs8µs16µs Period maximum 8.19ms 16.4ms 32.8ms 65.5ms 131ms 262.1ms 524.3ms 1.05s |
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