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| 型号： | MC68HC705J2P |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP20 |
| 封装： | PLASTIC, DIP-20 |
| 文件页数： | 19/82页 |
| 文件大小： | 2545K |
| 代理商： | MC68HC705J2P |
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CENTRAL PROCESSOR UNIT
4-4
Rev. 2
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4.1.5.4 Zero Flag
The CPU sets the zero flag when an arithmetic operation, logical operation, or data
manipulation produces a $00.
4.1.5.5 Carry/Borrow Flag
The CPU sets the carry/borrow flag when an addition operation produces a carry
out of bit 7 of the accumulator. Some logical operations and data manipulation
instructions also clear or set the carry/borrow flag.
4.2 Arithmetic/Logic Unit (ALU)
The ALU performs the arithmetic and logical operations defined by the instruction
set.
The binary arithmetic circuits decode instructions and set up the ALU for the
selected operation. Most binary arithmetic is based on the addition algorithm,
carrying out subtraction as negative addition. Multiplication is not performed as a
discrete operation but as a chain of addition and shift operations within the ALU.
The multiply instruction (MUL) requires 11 internal processor cycles to complete
this chain of operations.
4.3 Low-Power Modes
The following paragraphs describe the STOP and WAIT modes. (Refer also to 6.2
4.3.1 STOP Mode
The STOP instruction puts the MCU in its lowest power-consumption mode. In
STOP mode, the following events occur:
The CPU clears TOF and RTIF, the timer interrupt flags in the timer control
and status register, removing any pending timer interrupts.
The CPU clears TOIE and RTIE, the timer interrupt enable bits in the timer
control and status register, disabling further timer interrupts.
The CPU clears the divide-by-four timer prescaler.
The CPU clears the interrupt mask in the condition code register, enabling
external interrupts.
The internal oscillator stops, halting all internal processing, including
operation of the timer and the COP timer.
The STOP instruction does not affect any other registers or any I/O lines.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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| MC68HC705J5ACP | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC68HC705JB4DW | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC68HC705JJ7CDW | 功能描述:IC MCU 8BIT 20-SOIC 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 |
| MC68HC705JP7CDW | 功能描述:IC MCU 8BIT 28-SOIC 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 |
| MC68HC705JP7CP | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
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