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MEC1322 датащи(PDF) 285 Page - Microchip Technology |
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MEC1322 датащи(HTML) 285 Page - Microchip Technology |
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285 / 456 page ![]() 2014 - 2015 Microchip Technology Inc. DS00001719D-page 285 MEC1322 25.0 PWM 25.1 Introduction This block generates a PWM output that can be used to control 4-wire fans, blinking LEDs, and other similar devices. Each PWM can generate an arbitrary duty cycle output at frequencies from less than 0.1 Hz to 24 MHz. The PWM con- troller can also used to generate the PROCHOT output and Speaker output. The PWMx Counter ON Time registers and PWMx Counter OFF Time registers determine the operation of the PWM_OUTPUT signals. See Section 25.11.1, "PWMx Counter ON Time Register," on page 288 and Section 25.11.2, "PWMx Counter OFF Time Register," on page 289 for a description of the PWM_OUTPUT signals. 25.2 References There are no standards referenced in this chapter. 25.3 Terminology There is no terminology defined for this section. 25.4 Interface This block is designed to be accessed externally via the pin interface and internally via a registered host interface. There are no external signals for this block. FIGURE 25-1: I/O DIAGRAM OF BLOCK PWM Interrupts Power, Clocks and Reset Host Interface Signal Description |
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