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首頁(yè)>8XC251SB>規(guī)格書(shū)詳情

8XC251SB中文資料英特爾數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

8XC251SB
廠(chǎng)商型號(hào)

8XC251SB

功能描述

HIGH-PERFORMANCE CHMOS MICROCONTROLLER

文件大小

440.58 Kbytes

頁(yè)面數(shù)量

36 頁(yè)

生產(chǎn)廠(chǎng)商

INTEL

中文名稱(chēng)

英特爾

網(wǎng)址

網(wǎng)址

數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠(chǎng)下載

更新時(shí)間

2025-8-7 19:45:00

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8XC251SB規(guī)格書(shū)詳情

A member of the Intel family of 8-bit MCS 251 microcontrollers, the 8XC251SA/SB/SP/SQ is binary-code compatible with MCS 51 microcontrollers and pin compatible with 40-pin PDIP and 44-pin PLCC MCS 51 microcontrollers. MCS 251 microcontrollers feature an enriched instruction set, linear addressing, and efficient C-language support. The 8XC251SA/SB/SP/SQ has 512 bytes or 1 Kbyte of on-chip RAM and is available with 8 Kbytes or 16 Kbytes of on-chip ROM/OTPROM/EPROM, or without ROM/OTPROM/EPROM.

A variety of features can be selected by new user-programmable configurations.

■ Real-time and Programmed Wait State Bus Operation

■ Binary-code Compatible with MCS? 51

■ Pin Compatible with 44-pin PLCC and 40-pin PDIP MCS 51 Sockets

■ Register-based MCS? 251 Architecture

— 40-byte Register File

— Registers Accessible as Bytes, Words, or Double Words

■ Enriched MCS 51 Instruction Set

— 16-bit and 32-bit Arithmetic and Logic Instructions

— Compare and Conditional Jump Instructions

— Expanded Set of Move Instructions

■ Linear Addressing

■ 256-Kbyte Expanded External Code/Data Memory Space

■ ROM/OTPROM/EPROM Options:

16 Kbytes (SB/SQ), 8 Kbytes (SA/SP), or without ROM/OTPROM/EPROM

■ 16-bit Internal Code Fetch

■ 64-Kbyte Extended Stack Space

■ On-chip Data RAM Options:

1-Kbyte (SA/SB) or 512-Byte (SP/SQ)

■ 8-bit, 2-clock External Code Fetch in Page Mode

■ Fast MCS 251 Instruction Pipeline

■ User-selectable Configurations:

— External Wait States (0-3 wait states)

— Address Range & Memory Mapping

— Page Mode

■ 32 Programmable I/O Lines

■ Seven Maskable Interrupt Sources with Four Programmable Priority Levels

■ Three Flexible 16-bit Timer/counters

■ Hardware Watchdog Timer

■ Programmable Counter Array

— High-speed Output

— Compare/Capture Operation

— Pulse Width Modulator

— Watchdog Timer

■ Programmable Serial I/O Port

— Framing Error Detection

— Automatic Address Recognition

■ High-performance CHMOS Technology

■ Static Standby to 16-MHz Operation

■ Complete System Development Support

— Compatible with Existing Tools

— New MCS 251 Tools Available: Compiler, Assembler, Debugger, ICE

■ Package Options (PDIP, PLCC, and Ceramic DIP)

產(chǎn)品屬性

  • 型號(hào):

    8XC251SB

  • 制造商:

    INTEL

  • 制造商全稱(chēng):

    Intel Corporation

  • 功能描述:

    Hardware Description

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