參數(shù)資料
型號： MC68HC05P4ADWR2
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝： PLASTIC, SOIC-28
文件頁數(shù)： 45/102頁
文件大?。?/td> 930K
代理商： MC68HC05P4ADWR2
MC68HC05P4A — Rev. 6.0
Advance Information
MOTOROLA
Low-Power Modes
47
Advance Information — MC68HC05P4A
Section 6. Low-Power Modes
6.1 Contents
6.2 Introduction
The MC68HC05P4A is capable of running in a low-power mode in each
of its configurations. The WAIT and STOP instructions provide two
modes that reduce the power required for the MCU by stopping various
internal clocks and/or the on-chip oscillator. The STOP and WAIT
instructions are not normally used if the computer operating properly
(COP) watchdog timer is enabled. The flow of the stop and wait modes
is shown in Figure 6-1.
6.3 Stop Mode
Execution of the STOP instruction places the MCU in its lowest power
consumption mode. In stop mode, the internal oscillator is turned off,
halting all internal processing, including the COP watchdog timer.
Execution of the STOP instruction automatically clears the I bit in the
condition code register so that the IRQ external interrupt is enabled. All
other registers and memory remain unaltered. All input/output lines
remain unchanged.
The MCU can be brought out of stop mode only by an IRQ external
interrupt or an externally generated RESET. When exiting the stop
mode, the internal oscillator will resume after a 4064 PH2 clock cycle
oscillator stabilization delay.
相關(guān)PDF資料
PDF描述
MC68HC05P4CDWR3 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC05P4CDWR2 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC05P4P 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
MC68HC05P4P 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
MC68HC05P4DW 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC05P4DW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P4P 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P6 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P6_1 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P8 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
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