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| 型号： | MC68HC705KJ1CS |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, UVPROM, 4 MHz, MICROCONTROLLER, CDIP16 |
| 封装： | WINDOWED, CERDIP-16 |
| 文件页数： | 62/108页 |
| 文件大小： | 719K |
| 代理商： | MC68HC705KJ1CS |
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MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
57
Chapter 6
Low-Power Modes
6.1 Introduction
The MCU can enter the following low-power standby modes:
Stop mode — The STOP instruction puts the MCU in its lowest power-consumption mode.
Wait mode — The WAIT instruction puts the MCU in an intermediate power-consumption mode.
Halt mode — Halt mode is identical to wait mode, except that an oscillator stabilization delay of 1
to 4064 internal clock cycles occurs when the MCU exits halt mode. The stop-to-wait conversion
bit, SWAIT, in the mask option register, enables halt mode.
Enabling halt mode prevents the computer operating properly (COP) watchdog from being
inadvertently turned off by a STOP instruction.
Data-retention mode — In data-retention mode, the MCU retains RAM contents and CPU register
contents at VDD voltages as low as 2.0 Vdc. The data-retention feature allows the MCU to remain
in a low power-consumption state during which it retains data, but the CPU cannot execute
instructions.
6.2 Exiting Stop and Wait Modes
The following events bring the MCU out of stop mode and load the program counter with the reset vector
or with an interrupt vector:
Exiting Stop Mode
External reset — A logic 0 on the RESET pin resets the MCU, starts the CPU clock, and loads the
program counter with the contents of locations $07FE and $07FF.
External interrupt — A high-to-low transition on the IRQ/VPP pin or a low-to-high transition on an
enabled port A external interrupt pin starts the CPU clock and loads the program counter with the
contents of locations $07FA and $07FB.
Exiting Wait Mode
External reset — A logic 0 on the RESET pin resets the MCU, starts the CPU clock, and loads the
program counter with the contents of locations $07FE and $07FF.
External interrupt — A high-to-low transition on the IRQ/VPP pin or a low-to-high transition on an
enabled port A external interrupt pin starts the CPU clock and loads the program counter with the
contents of locations $07FA and $07FB.
COP watchdog reset — A timeout of the COP watchdog resets the MCU, starts the CPU clock, and
loads the program counter with the contents of locations $07FE and $07FF. Software can enable
timer interrupts so that the MCU periodically can exit wait mode to reset the COP watchdog.
Timer interrupt — Real-time interrupt requests and timer overflow interrupt requests start the MCU
clock and load the program counter with the contents of locations $07F8 and $07F9.
相关PDF资料 |
PDF描述 |
|---|---|
| MC68HRC705KJ1CS | 8-BIT, UVPROM, 4 MHz, MICROCONTROLLER, CDIP16 |
| MC68HLC705KJ1CP | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP16 |
| MC68HRC705KJ1CP | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP16 |
| MC68HC705L1B | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP56 |
| MC68HC05L1FU | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP64 |
相关代理商/技术参数 |
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| MC68HC705L32FU | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
| MC68HC705L5FUE | 功能描述:8位微控制器 -MCU 705L5-EPP-80QFP-6019 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| MC68HC705MC4CDW | 制造商:Motorola 功能描述:MOTOROLA S7D9B |
| MC68HC705P6ACDW | 功能描述:8位微控制器 -MCU 8 Bit 2.1MHz RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| MC68HC705P6ACP | 功能描述:IC MCU 2.1MHZ 4.5K OTP 28-DIP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名称:497-9032STM32F101T8U6-ND |
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