參數(shù)資料
型號(hào): MC68HC705C8ACP
廠商: MOTOROLA INC
元件分類(lèi): 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(yè)數(shù): 33/108頁(yè)
文件大小: 718K
代理商: MC68HC705C8ACP
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
33
Chapter 4
Central Processor Unit (CPU)
4.1 Introduction
The central processor unit (CPU) consists of a CPU control unit, an arithmetic/logic unit (ALU), and five
CPU registers. The CPU control unit fetches and decodes instructions. The ALU executes the
instructions. The CPU registers contain data, addresses, and status bits that reflect the results of CPU
operations.
4.2 Features
Features of the CPU include:
4.0-MHz bus frequency on standard part
8-bit accumulator
8-bit index register
11-bit program counter
6-bit stack pointer
Condition code register with five status flags
62 instructions
8 addressing modes
Power-saving stop, wait, halt, and data-retention modes
The programming model is shown in
Figure 4-1
.
4.3 CPU Control Unit
The CPU control unit fetches and decodes instructions during program operation. The control unit selects
the memory locations to read and write and coordinates the timing of all CPU operations.
4.4 Arithmetic/Logic Unit
The arithmetic/logic unit (ALU) performs the arithmetic, logic, and manipulation operations decoded from
the instruction set by the CPU control unit. The ALU produces the results called for by the program and
sets or clears status and control bits in the condition code register (CCR).
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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