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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M38B53M4-059FP датащи(PDF) 236 Page - Mitsubishi Electric Semiconductor |
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M38B53M4-059FP датащи(HTML) 236 Page - Mitsubishi Electric Semiconductor |
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236 / 355 page  2-148 38B5 Group User’s Manual APPLICATION 2.9 Buzzer output circuit Fig. 2.9.5 Control procedure 2.9.3 Buzzer output circuit application examples Outline: A buzzer output is performed by using the buzzer output circuit. Specifications: •f(XIN) = 4.19 MHz, buzzer output frequency = 4 kHz •Buzzer output from BUZ01 pin Figure 2.9.3 shows the connection of buzzer output circuit and the setting of the division ratio. Figure 2.9.4 shows the setting of relevant register. Figure 2.9.5 shows the control procedure. Fig. 2.9.3 Connection of buzzer output circuit and setting of division ratio Fig. 2.9.4 Setting of relevant register f(XIN) = 4.19 MHz Output port control signal Port direction register 1/1024 Buzzer output (4 kHz) Buzzer output ON/OFF bit Port latch Buzzer output control register (address 0EFD16) BUZCON 0 Buzzer output: OFF Output frequency: 4 kHz (f(XIN)/1024) P43/Buz01: Buzzer output 0 1 1 0 Initialization SEI CLT CLD BUZCON (address 0EFD16) XXX001102 RESET Buzzer output control register setting (output frequency = 4 kHz, Buz01 output, buzzer output OFF) BUZCON (address 0EFD16), bit 4 1 Buzzer output ON CLI qX: This bit is not used here. Set it to “0” or “1” arbitrarily. |
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