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8XC251SP 데이터시트 PDF




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부품번호 8XC251SP 기능
기능 HIGH-PERFORMANCE CHMOS MICROCONTROLLER
제조업체 Intel Corporation
로고 Intel Corporation 로고


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8XC251SP 데이터시트, 핀배열, 회로
PRELIMINARY
8XC251SA/SB/SP/SQ
HIGH-PERFORMANCE
CHMOS MICROCONTROLLER
Commercial/Express
s Real-time and Programmed Wait State
Bus Operation
s Binary-code Compatible with MCS® 51
s Pin Compatible with 44-pin PLCC and 40-
pin PDIP MCS 51 Sockets
s Register-based MCS® 251 Architecture
— 40-byte Register File
— Registers Accessible as Bytes, Words,
or Double Words
s Enriched MCS 51 Instruction Set
— 16-bit and 32-bit Arithmetic and Logic
Instructions
— Compare and Conditional Jump
Instructions
— Expanded Set of Move Instructions
s Linear Addressing
s 256-Kbyte Expanded External Code/Data
Memory Space
s ROM/OTPROM/EPROM Options:
16 Kbytes (SB/SQ), 8 Kbytes (SA/SP), or
without ROM/OTPROM/EPROM
s 16-bit Internal Code Fetch
s 64-Kbyte Extended Stack Space
s On-chip Data RAM Options:
1-Kbyte (SA/SB) or 512-Byte (SP/SQ)
s 8-bit, 2-clock External Code Fetch in
Page Mode
s Fast MCS 251 Instruction Pipeline
s User-selectable Configurations:
— External Wait States (0-3 wait states)
— Address Range & Memory Mapping
— Page Mode
s 32 Programmable I/O Lines
s Seven Maskable Interrupt Sources
with Four Programmable Priority
Levels
s Three Flexible 16-bit Timer/counters
s Hardware Watchdog Timer
s Programmable Counter Array
— High-speed Output
— Compare/Capture Operation
— Pulse Width Modulator
— Watchdog Timer
s Programmable Serial I/O Port
— Framing Error Detection
— Automatic Address Recognition
s High-performance CHMOS Technology
s Static Standby to 16-MHz Operation
s Complete System Development
Support
— Compatible with Existing Tools
— New MCS 251 Tools Available:
Compiler, Assembler, Debugger, ICE
s Package Options (PDIP, PLCC, and
Ceramic DIP)
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.
COPYRIGHT © INTEL CORPORATION, 1996
May 1996
Order Number: 272783-003




8XC251SP pdf, 반도체, 판매, 대치품
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
1.0 NOMENCLATURE
X XX 8 X X XXXXX XX
Figure 2. The 8XC251SA/SB/SP/SQ Family Nomenclature
A2815-01
Table 1. Description of Product Nomenclature
Parameter
Temperature and Burn-in
Options
Packaging Options
Program Memory Options
Process Information
Product Family
Device Memory Options
Device Speed
Options
no mark
T
N
P
C
0
3
7
C
251
SA
SB
SP
SQ
16
Description
Commercial operating temperature range (0°C to 70°C) with
Intel standard burn-in.
Express operating temperature range (-40°C to 85°C) with
Intel standard burn-in.
44-pin Plastic Leaded Chip Carrier (PLCC)
40-pin Plastic Dual In-line Package (PDIP)
40-pin Ceramic Dual In-line Package (Ceramic DIP)
Without ROM/OTPROM/EPROM
ROM
User programmable OTPROM/EPROM
CHMOS
8-bit control architecture
1-Kbyte RAM/8-Kbyte ROM/OTPROM/EPROM
1-Kbyte RAM/16-Kbyte ROM/OTPROM/EPROM or without
ROM/OTPROM/EPROM
512-byte RAM/8-Kbyte ROM/OTPROM/EPROM
512-byte RAM/16-Kbyte ROM/OTPROM/EPROM or without
ROM/OTPROM/EPROM
External clock frequency
4 PRELIMINARY

4페이지










8XC251SP 전자부품, 판매, 대치품
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
P1.0 / T2
1
40 VCC
P1.1 / T2EX
2
39 AD0 / P0.0
P1.2 / ECI
3
38 AD1 / P0.1
P1.3 / CEX0
4
37 AD2 / P0.2
P1.4 / CEX1
P1.5 / CEX2
P1.6 / CEX3 / WAIT#
P1.7 / CEX4 / A17 / WCLK
5
6
7
8
8XC251SA 36 AD3 / P0.3
8XC251SB 35 AD4 / P0.4
8XC251SP
34 AD5 / P0.5
8XC251SQ 33 AD6 / P0.6
RST
9
32 AD7 / P0.7
P3.0 / RXD
10
31 EA# / VPP
P3.1 / TXD
11
30 ALE / PROG#
P3.2 / INT0#
12
29 PSEN#
P3.3 / INT1#
13
28 A15 / P2.7
P3.4 / T0
14
View of
27 A14 / P2.6
P3.5 / T1
15
component
26 A13 / P2.5
P3.6 / WR#
16
as mounted
on PC board
25
A12 / P2.4
P3.7 / RD# / A16
17
24 A11 / P2.3
XTAL2
18
23 A10 / P2.2
XTAL1
19
22 A9 / P2.1
VSS 20
21 A8 / P2.0
Figure 4. 8XC251SA/SB/SP/SQ 40-pin PDIP and Ceramic DIP Packages
A4206-03
PRELIMINARY
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
8XC251SA

HIGH-PERFORMANCE CHMOS MICROCONTROLLER

Intel Corporation
Intel Corporation
8XC251SB

HIGH-PERFORMANCE CHMOS MICROCONTROLLER

Intel Corporation
Intel Corporation

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