參數(shù)資料
型號： MC68HC705
廠商： Motorola, Inc.
英文描述： HCMOS Microcontroller Unit
中文描述： HCMOS微控制器
文件頁數(shù)： 37/108頁
文件大?。?/td> 718K
代理商： MC68HC705
Instruction Set
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
37
Z — Zero Flag
The CPU sets the zero flag when an ALU operation produces a result of $00.
C — Carry/Borrow Flag
The CPU sets the carry/borrow flag when an addition operation produces a carry out of bit 7 of the
accumulator or when a subtraction operation requires a borrow. Some logical operations and data
manipulation instructions also clear or set the carry/borrow flag.
4.6 Instruction Set
The MCU instruction set has 62 instructions and uses eight addressing modes.
4.6.1 Addressing Modes
The CPU uses eight addressing modes for flexibility in accessing data. The addressing modes provide
eight different ways for the CPU to find the data required to execute an instruction. The eight addressing
modes are:
Inherent
Immediate
Direct
Extended
Indexed, no offset
Indexed, 8-bit offset
Indexed, 16-bit offset
Relative
4.6.1.1 Inherent
Inherent instructions are those that have no operand, such as return-from-interrupt (RTI) and stop
(STOP). Some of the inherent instructions act on data in the CPU registers, such as set carry flag (SEC)
and increment accumulator (INCA). Inherent instructions require no operand address and are one byte
long.
4.6.1.2 Immediate
Immediate instructions are those that contain a value to be used in an operation with the value in the
accumulator or index register. Immediate instructions require no operand address and are two bytes long.
The opcode is the first byte, and the immediate data value is the second byte.
4.6.1.3 Direct
Direct instructions can access any of the first 256 memory locations with two bytes. The first byte is the
opcode, and the second is the low byte of the operand address. In direct addressing, the CPU
automatically uses $00 as the high byte of the operand address.
4.6.1.4 Extended
Extended instructions use three bytes and can access any address in memory. The first byte is the
opcode; the second and third bytes are the high and low bytes of the operand address.
相關PDF資料
PDF描述
MC68HC705C8A HCMOS Microcontroller Unit
MC68HC705C8 PROGRAMMING REFRERENCE GUIDE
MC68HC705L28 Flexible general-purpose microcomputer
MC68HC705JP7 HCMOS Microcontroller Unit
MC68HC705J1A Microcontrollers
相關代理商/技術參數(shù)
參數(shù)描述
MC68HC705B16CFN 制造商:Motorola Inc 功能描述:
MC68HC705B16FN 制造商:Rochester Electronics LLC 功能描述:
MC68HC705B16NB 制造商:Rochester Electronics LLC 功能描述:
MC68HC705B16NCB 制造商:Rochester Electronics LLC 功能描述:
MC68HC705B16NCFN 功能描述:IC MCU 2.1MHZ 15K OTP 52-PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有關文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標準包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲器容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 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... 其它名稱:497-9032STM32F101T8U6-ND
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