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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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68HC05PL4B Datenblatt(PDF) 42 Page - Freescale Semiconductor, Inc |
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68HC05PL4B Datenblatt(HTML) 42 Page - Freescale Semiconductor, Inc |
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42 / 98 page  GENERAL RELEASE SPECIFICATION April 30, 1998 OPERATING MODES MC68HC05PL4 6-2 REV 2.0 6.2 LOW POWER MODES In each of its con gur ation modes the MC68HC05PL4 is capable of running in one of two low-power operating modes. The WAIT and STOP instructions provide two modes that reduce the power required for the MCU by stopping various internal clocks and/or the oscillator. The o w of the STOP, and WAIT modes are shown in Figure 6-1 . 6.2.1 STOP Mode Execution of the STOP instruction places the MCU in its lowest power consumption mode. The MCU can exit from the STOP by an IRQ or Keyboard interrupt (KBIx), or an externally generated RESET. When exiting the STOP mode the internal oscillator will resume after 4064 internal processor clock cycles oscillator stabilization delay. 6.2.2 WAIT Mode The WAIT instruction places the MCU in a low-power mode, which consumes more power than the STOP Mode. The WAIT mode may be exited by an external IRQ, a keyboard interrupt, 16-bit timer interrupt, 8-bit timer interrupt, or by an external RESET. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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