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HT46R064 Folha de dados(PDF) 24 Page - Holtek Semiconductor Inc |
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HT46R064 Folha de dados(HTML) 24 Page - Holtek Semiconductor Inc |
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24 / 101 page  HT46R064/065/066/0662/067 Rev. 1.30 24 January 22, 2013 System Control Registers - CTRL0, CTRL1, CTRL2 These registers are used to provide control over various internal functions. Some of these include the PFD control, PWM control, certain system clock options, the LXT Oscillator low power control, external Interrupt edge trigger type, Watchdog Timer enable function, Time Base function division ratio, and the LXT oscillator enable control. · CTRL0 Register ¨ HT46R064 Bit 76543210 Name ¾¾ PWMSEL ¾ PWMC0 PFDC LXTLP CLKMOD R/W ¾¾ R/W ¾ R/W R/W R/W R/W POR ¾¾ 0 ¾ 0000 ¨ HT46R065 Bit 76543210 Name ¾ PFDCS PWMSEL ¾ PWMC0 PFDC LXTLP CLKMOD R/W ¾ R/W R/W ¾ R/W R/W R/W R/W POR ¾ 00 ¾ 0000 ¨ HT46R066, HT46R0662 and HT46R067 Bit 76543210 Name PCFG PFDCS PWMSEL PWMC1 PWMC0 PFDC LXTLP CLKMOD R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 00000000 Bit 7 PCFG: I/O configuration 0: INT/TC0/PFD pin-shared with PA3/PA2/PA1 1: INT/TC0/PFD pin-shared with PB5/PB4/PB3 Bit 6 PFDCS: PFD clock source 0: timer0 1: timer1 Bit 5 PWMSEL: PWM type selection 0: 6+2 1: 7+1 Bit 4 PWMC1: I/O or PWM1 0: I/O 1: PWM1 Bit 3 PWMC0: I/O or PWM0 0: I/O 1: PWM0 Bit 2 PFDC: I/O or PFD 0: I/O 1: PFD Bit 1 LXTLP: LXT oscillator low power control function 0: LXT Oscillator quick start-up mode 1: LXT Oscillator Low Power Mode Bit 0 CLKMOD: system clock mode selection. 0: High speed - HIRC used as system clock 1: Low speed - LXT used as system clock, HIRC oscillator stopped. For HT46R064/065/066, these selections are only valid if the oscillator configuration options have selected the HIRC+LXT. Note: If PWM0/1/2 output is selected by PWMC0/1/2 bit, fTP comes always from fSYS. (fTP is the clock source for timer0/2 , time base and PWM) |
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