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參數(shù)資料
| 型號(hào)： | MC68HC705C8ACP |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | HCMOS Microcontroller Unit |
| 中文描述： | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁數(shù)： | 58/108頁 |
| 文件大?。?/td> | 718K |
| 代理商： | MC68HC705C8ACP |
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Low-Power Modes
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
58
Freescale Semiconductor
6.3 Effects of Stop and Wait Modes
The STOP and WAIT instructions have the following effects on MCU modules.
6.3.1 Clock Generation
Effects of STOP and WAIT on clock generation are discussed here.
6.3.1.1 STOP
The STOP instruction disables the internal oscillator, stopping the CPU clock and all peripheral clocks.
After exiting stop mode, the CPU clock and all enabled peripheral clocks begin running after the oscillator
stabilization delay.
NOTE
The oscillator stabilization delay holds the MCU in reset for the first 4064
internal clock cycles.
6.3.1.2 WAIT
The WAIT instruction disables the CPU clock.
After exiting wait mode, the CPU clock and all enabled peripheral clocks immediately begin running.
6.3.2 CPU
Effects of STOP and WAIT on the CPU are discussed here.
6.3.2.1 STOP
The STOP instruction:
Clears the interrupt mask (I bit) in the condition code register, enabling external interrupts
Disables the CPU clock
After exiting stop mode, the CPU clock begins running after the oscillator stabilization delay.
After exit from stop mode by external interrupt, the I bit remains clear.
After exit from stop mode by reset, the I bit is set.
6.3.2.2 WAIT
The WAIT instruction:
Clears the interrupt mask (I bit) in the condition code register, enabling interrupts
Disables the CPU clock
After exit from wait mode by interrupt, the I bit remains clear.
After exit from wait mode by reset, the I bit is set.
6.3.3 COP Watchdog
Effects of STOP and WAIT on the COP watchdog are discussed here.
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| MC68HC705C8ACFS | HCMOS Microcontroller Unit |
| MC68HC705C8ACFN | HCMOS Microcontroller Unit |
| MC68HC705C8ACFB | HCMOS Microcontroller Unit |
| MC68HC705C8ACB | HCMOS Microcontroller Unit |
| MC68HC705JJ7S | HCMOS Microcontroller Unit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC705C8ACPB | 制造商:Freescale Semiconductor 功能描述: |
| MC68HC705C8ACPE | 制造商:Freescale Semiconductor 功能描述: |
| MC68HC705C8AFNE | 功能描述:8位微控制器 -MCU HC05 CORE + 8K RAM + EPR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| MC68HC705C8AFU | 制造商:Rochester Electronics LLC 功能描述:8-BIT MCU W/BLANK EPROM - Bulk |
| MC68HC705C8AVFB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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