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83C251SA16

83C251SA16首页预览图
型号: 83C251SA16
PDF文件:
  • 83C251SA16 PDF文件
  • 83C251SA16 PDF在线浏览
功能描述: HIGH-PERFORMANCE CHMOS MICROCONTROLLER
PDF文件大小: 428.96 Kbytes
PDF页数: 共36页
制造商: INTEL[Intel Corporation]
制造商LOGO: INTEL[Intel Corporation] LOGO
制造商网址: http://www.intel.com
捡单宝83C251SA16
PDF页面索引
120%
PRELIMINARY
COPY RIGH T © INTEL CORPORATION, 19 96 May 1996 Order Number: 272783-003
8XC251SA/SB/SP/SQ
HIGH-PERFORMANCE
CHMOS MICROCONTROLLER
Comm ercial/Express
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 St ate
Bus Operation
Binary-code Compatible with MC S
®
51
Pin Compatible with 44-pin PLCC and 40-
pin PDIP MCS 51 Sockets
Register-based MCS
®
251 A rchitecture
40-byte Register File
Registers Accessible as Bytes, W ords,
or Double Words
Enriched MCS 51 Instruction Set
16-bit and 32-bit Ari thmetic and Logic
Instructions
Compare and Conditio nal Jump
Instructio ns
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 Ext ended St ack 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 W ait 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 Watch dog Timer
Programmable Counter Arr ay
High-speed Output
Compare/Capture Operation
Pulse Width Modulator
Watc h dog Timer
Programmable Serial I/O Por t
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 Avail able:
Compiler, Assembler, Debugger, ICE
Package Options (PDIP, PLCC, and
Ceramic DIP)
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