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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST7MC1K2-Auto датащи(PDF) 343 Page - STMicroelectronics |
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ST7MC1K2-Auto датащи(HTML) 343 Page - STMicroelectronics |
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343 / 371 page  Obsolete Product(s) - Obsolete Product(s) ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto Electrical characteristics 343/371 Figure 155. Example 5: Waveforms for sensor HST update timing diagram for a newly selected phase input fSCF Comparator output HST (MCRC) XX Sampling time sample write IS[1:0] = 01 fmtc = 2 x fCPU MCIx d 01 Sampling of sensor input is done at fSCF, so after writing IS[1:0] in the MPHST register for input selection, you have to wait: 1) 1/fmtc to resynchronize the data and set the MCIx bit 2) 100ns corresponding to the comparator and multiplexer propagation delay (d) 3) 1/fSCF to sample the comparator output 4) 1/fmtc to resynchronize the data and set the HST bit Example with fPERIPH = fmtc = 4 MHz: SCF[1:0] 00 01 10 11 fSCF Secure waiting time to read HST 1MHz 500kHz 250kHz 125kHz 2µs 3µs 5µs 9µs IS[1:0] (MPHST) Obsolete Product(s) - Obsolete Product(s) |
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