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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST72344K2 датащи(PDF) 99 Page - STMicroelectronics |
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ST72344K2 датащи(HTML) 99 Page - STMicroelectronics |
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99 / 247 page  ST72344xx, ST2345xx On-chip peripherals Doc ID 12321 Rev 6 99/247 the ICIE bit is set. This can be avoided if the input capture function i is disabled by reading the ICiHR (see note 1). 6 The TOF bit can be used with interrupt in order to measure events that go beyond the timer range (FFFFh). Figure 47. Input capture block diagram Figure 48. Input capture timing diagram 1. The active edge is the rising edge. 2. The time between an event on the ICAPi pin and the appearance of the corresponding flag is from 2 to 3 CPU clock cycles. This depends on the moment when the ICAP event happens relative to the timer clock. Output compare In this section, the index, i, may be 1 or 2 because there are 2 output compare functions in the 16-bit timer. This function can be used to control an output waveform or indicate when a period of time has elapsed. ICIE CC0 CC1 16-BIT FREE RUNNING COUNTER IEDG1 (Control Register 1) CR1 (Control Register 2) CR2 ICF2 ICF1 0 0 0 (Status Register) SR IEDG2 ICAP1 ICAP2 EDGE DETECT CIRCUIT2 16-BIT IC1R Register IC2R Register EDGE DETECT CIRCUIT1 pin pin FF01 FF02 FF03 FF03 TIMER CLOCK COUNTER REGISTER ICAPi PIN ICAPi FLAG ICAPi REGISTER |
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