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HT98R068-1 Datasheet(PDF) 34 Page - Holtek Semiconductor Inc |
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HT98R068-1 Datasheet(HTML) 34 Page - Holtek Semiconductor Inc |
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34 / 116 page  Rev. 1.10 �4 �e���a�� 1�� �01� Rev. 1.10 �5 �e���a�� 1�� �01� HT98R068-1 Two Way Radio 8-Bit MCU HT98R068-1 Two Way Radio 8-Bit MCU The Audio Processor operating mode switch timing as Following figure. Mode Switching The device is switched between one mode and another using a combination of the CLKMOD bit in the CTRL0 register and the HALT instruction. The CLKMOD bit chooses whether the system runs in either the Normal or Slow Mode by selecting the system clock to be sourced from LXT crystal oscillator or PLL. The HALT instruction forces the system into either the Idle or Sleep Mode, depending upon whether the LXT oscillator is running or not. The HALT instruction operates independently of the CLKMOD bit condition. When a HALT instruction is executed and the LXT oscillator is not running, the system enters the Sleep mode the following conditions exist: ● The system oscillator will stop running and the application program will stop at the “HALT” instruction ● The Data Memory contents and registers will maintain their present condition ● The WDT will be cleared and resume counting if the WDT clock source is selected to come from the WDT or LXT oscillator. The WDT will stop if its clock source originates from the system clock ● The I/O ports will maintain their present condition ● In the status register, the Power Down flag, PDF, will be set and the Watchdog time-out flag, TO, will be cleared |
Similar Part No. - HT98R068-1_13 |
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Similar Description - HT98R068-1_13 |
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