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SH79F024XU bảng dữ liệu(PDF) 48 Page - SINOWEALTH Electronic Ltd |
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SH79F024XU bảng dữ liệu(HTML) 48 Page - SINOWEALTH Electronic Ltd |
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48 / 92 page  SH79F SH79F SH79F SH79F082 082 082 082 48 8.1.6 8.1.6 8.1.6 8.1.6 PWM PWM PWM PWM Interrupt Interrupt Interrupt Interrupt PWM will generate a interrupt request at the period overflow and other 2 interrupt at the each duty overflow. If PWMPIE or PWMxIE (x = 1-2) is set and EPWM bit in IEN1 register are also set to 1, cpu will accept PWM interrupt and jump to PWM int service routine entrance. All these 3 interrupt use the same interrupt vector entrance. Table Table Table Table 8 8 8 8....11 11 11 11 PWM Interrupt Control Register (PWMINT) E8 E8 E8 E8H H H H Bit7 Bit7 Bit7 Bit7 Bit6 Bit6 Bit6 Bit6 Bit5 Bit5 Bit5 Bit5 Bit4 Bit4 Bit4 Bit4 Bit3 Bit3 Bit3 Bit3 Bit2 Bit2 Bit2 Bit2 Bit1 Bit1 Bit1 Bit1 Bit0 Bit0 Bit0 Bit0 PWMINT PWMINT PWMINT PWMINT PWMPIE PWMPIF - - PWM1IE PWM1IF PWM2IE PWM2IF R/W R/W R/W R/W R/W R/W - - R/W R/W R/W R/W Reset Reset Reset Reset Value Value Value Value ((((POR/WDT/LVR POR/WDT/LVR POR/WDT/LVR POR/WDT/LVR/PIN /PIN /PIN /PIN)))) 0 0 - - 0 0 0 0 Bit Bit Bit Bit Number Number Number Number Bit Bit Bit Bit Mnemonic Mnemonic Mnemonic Mnemonic Description Description Description Description 7 7 7 7 PWMPIE PWMPIE PWMPIE PWMPIE PWM PWM PWM PWM Period Period Period Period overflow overflow overflow overflow interrupt interrupt interrupt interrupt enable enable enable enable bit bit bit bit ((((enable enable enable enable only only only only When When When When EPWM EPWM EPWM EPWM bit bit bit bit in in in in IEN1 IEN1 IEN1 IEN1 is is is is set) set) set) set) 0: Disable PWM Period overflow interrupt 1: Enable PWM Period overflow interrupt 6 6 6 6 PWMPIF PWMPIF PWMPIF PWMPIF PWM PWM PWM PWM Period Period Period Period overflow overflow overflow overflow flag flag flag flag 0: PWM Period not overflow 1: PWM period overflow occurs 3 3 3 3 PWM1IE PWM1IE PWM1IE PWM1IE PWM1 PWM1 PWM1 PWM1 Duty Duty Duty Duty overflow overflow overflow overflow interrupt interrupt interrupt interrupt enable enable enable enable bit bit bit bit ((((enable enable enable enable only only only only When When When When EPWM EPWM EPWM EPWM bit bit bit bit in in in in IEN1 IEN1 IEN1 IEN1 is is is is set) set) set) set) 0: Disable PWM1 Duty overflow interrupt 1: Enable PWM1 Duty overflow interrupt 2 2 2 2 PWM1IF PWM1IF PWM1IF PWM1IF PWM PWM PWM PWM1 1 1 1 Duty Duty Duty Duty overflow overflow overflow overflow flag flag flag flag 0: PWM1 Duty not overflow 1: PWM1 Duty overflow occurs 1 1 1 1 PWM2IE PWM2IE PWM2IE PWM2IE PWM2 PWM2 PWM2 PWM2 Duty Duty Duty Duty overflow overflow overflow overflow interrupt interrupt interrupt interrupt enable enable enable enable bit bit bit bit ((((enable enable enable enable only only only only When When When When EPWM EPWM EPWM EPWM bit bit bit bit in in in in IEN1 IEN1 IEN1 IEN1 is is is is set) set) set) set) 0: Disable PWM2 Duty overflow interrupt 1: Enable PWM2 Duty overflow interrupt 0 0 0 0 PWM2IF PWM2IF PWM2IF PWM2IF PWM PWM PWM PWM2 2 2 2 Duty Duty Duty Duty overflow overflow overflow overflow flag flag flag flag 0: PWM2 Duty not overflow 1: PWM2 Duty overflow occurs |
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