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8XC251TA 데이터시트 PDF




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부품번호 8XC251TA 기능
기능 HIGH-PERFORMANCE CHMOS MICROCONTROLLER
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8XC251TA 데이터시트, 핀배열, 회로
ADVANCE INFORMATION
8xC251TA/TB/TP/TQ
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 Options:
16 Kbytes (TB/TQ), 8 Kbytes (TA/TP), or
without ROM
s 16-bit Internal Code Fetch
s 64-Kbyte Extended Stack Space
s On-chip Data RAM Options:
1-Kbyte (TA/TB) or 512-Byte (TP/TQ)
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
— Extended Data Float Timings or
8xC251Sx Compatible AC Timings
s 32 Programmable I/O Lines
s Eight 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 Two Programmable Serial I/O Ports
— Framing Error Detection
— Automatic Address Recognition
s High-performance CHMOS Technology
s Static Standby to 24-MHz Operation
s Complete System Development
Support
— Compatible with Existing Tools
— MCS 251 Tools Available:
Compiler, Assembler, Debugger,
ICE
s Package Options (PDIP and PLCC)
© INTEL CORPORATION, 1997
November, 1997
Order Number: 273129-001




8XC251TA pdf, 반도체, 판매, 대치품
Contents
FIGURES
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
TABLES
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
8xC251TA/TB/TP/TQ Block Diagram ........................................................................................ 1
The 8xC251TA/TB/TP/TQ Family Nomenclature....................................................................... 2
8xC251TA/TB/TP/TQ 44-pin PLCC Package ............................................................................ 4
8xC251TA/TB/TP/TQ 40-pin PDIP Packages............................................................................ 5
External Bus Cycle: Code Fetch (Nonpage Mode) .................................................................. 18
External Bus Cycle: Data Read (Nonpage Mode) ................................................................... 19
External Bus Cycle: Data Write (Nonpage Mode).................................................................... 20
External Bus Cycle: Code Fetch (Page Mode) ........................................................................ 21
External Bus Cycle: Data Read (Page Mode).......................................................................... 22
External Bus Cycle: Data Write (Page Mode).......................................................................... 23
External Bus Cycle: Code Fetch/Data Read (Nonpage Mode)................................................ 24
External Bus Cycle: Data Write (Nonpage Mode).................................................................... 25
External Bus Cycle: Code Fetch/Data Read (Page Mode) ...................................................... 26
External Bus Cycle: Data Write (Page Mode).......................................................................... 27
Serial Port Waveform — Shift Register Mode.......................................................................... 28
External Clock Drive Waveforms ............................................................................................. 29
AC Testing Input, Output Waveforms ...................................................................................... 29
Float Waveforms...................................................................................................................... 30
Description of Product Nomenclature ........................................................................................ 2
Proliferation Options .................................................................................................................. 3
Package Information .................................................................................................................. 3
8xC251TA/TB/TP/TQ Pin Assignment ....................................................................................... 6
8xC251TA/TB/TP/TQ PLCC/DIP Pin Assignments Arranged by Functional Category .............. 7
Signal Descriptions .................................................................................................................... 8
Memory Signal Selections (RD1:0) .......................................................................................... 10
8xC251TA/TB/TP/TQ Address Map ......................................................................................... 11
DC Characteristics at VCC = 4.5 – 5.5 V .................................................................................. 12
AC Timing Symbol Definitions ................................................................................................. 14
AC Characteristics ................................................................................................................... 14
Real-time Wait Timing Symbol Definitions ............................................................................... 24
Real-Time Wait AC Timing ...................................................................................................... 27
Serial Port Timing — Shift Register Mode ............................................................................... 28
External Clock Drive ................................................................................................................ 29
Thermal Characteristics ........................................................................................................... 30
iv ADVANCE INFORMATION

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8XC251TA 전자부품, 판매, 대치품
8xC251TA/TB/TP/TQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
Table 2 lists the proliferation options. See Figure 2 for the 8xC251TA/TB/TP/TQ family nomenclature.
Table 2. Proliferation Options
80C251TB24
80C251TQ24
83C251TA24
83C251TB24
83C251TP24
83C251TQ24
8xC251TA/TB/TP/TQ
(0 – 24 MHz; 5 V ±10%)
CPU-only
CPU-only
ROM
ROM
ROM
ROM
Table lists the 8xC251TA/TB/TP/TQ package definitions.
Table 3. Package Information
Pkg.
Definition
N 44 ld. PLCC
P 40 ld. Plastic DIP
TN 44 ld. PLCC
TP 40 ld. Plastic DIP
Temperature
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
ADVANCE INFORMATION
3

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8XC251TA

HIGH-PERFORMANCE CHMOS MICROCONTROLLER

Intel Corporation
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8XC251TB

HIGH-PERFORMANCE CHMOS MICROCONTROLLER

Intel Corporation
Intel Corporation

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