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HT98R068-1 Datasheet(PDF) 28 Page - Holtek Semiconductor Inc |
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HT98R068-1 Datasheet(HTML) 28 Page - Holtek Semiconductor Inc |
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28 / 116 page  Rev. 1.10 �8 �e���a�� 1�� �01� Rev. 1.10 �9 �e���a�� 1�� �01� HT98R068-1 Two Way Radio 8-Bit MCU HT98R068-1 Two Way Radio 8-Bit MCU System Control Register – CTRL0, CTRL1, CTRL2 These registers are used to provide control over various internal functions. Some of these include the PFD control, Audio Processor 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 Bit 7 6 5 4 3 2 1 0 Name PC�G P�DCS — — — P�DC LXTLP CLKMOD R/W R/W R/W — — — R/W R/W R/W POR 0 0 — — — 0 0 1 Bit7 PCFG: I/O configuration 0: INT/TMR0/PFD pin-shared with PA3/PA2/PA1 1: INT/TMR0/PFD pin-shared with PB4/PB5/PB6 Bit6 PFDCS: PFD clock source 0: timer0 1: timer1 Bit5~3 Unimplemented, read as “0”. Bit2 PFDC: I/O or PFD 0: I/O 1: PFD Bit1 LXTLP: LXT oscillator low power control function 0: LXT Oscillator quick start-up mode 1: LXT Oscillator Low Power Mode Bit0 CLKMOD: system clock mode selection 0: High system clock -PLL mode. 1: Low system clock - LXT used as system clock. CTRL1 Register Bit 7 6 5 4 3 2 1 0 Name INTEG1 INTEG0 TBSEL1 TBSEL0 WDTEN� WDTEN� WDTEN1 WDTEN0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 1 0 0 0 1 0 1 0 Bit 7, 6 INTEG1, INTEG0: External interrupt edge type 00: disable 01: rising edge trigger 10: falling edge trigger 11: dual edge trigger Bit 5, 4 TBSEL1, TBSEL0: Time base period selection 00: 210× (1/fTP) 01: 211× (1/fTP) 10: 212× (1/fTP) 11: 213× (1/fTP) |
Número de pieza similar - HT98R068-1_13 |
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Descripción similar - HT98R068-1_13 |
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