Description

Electronic Component Model: TN80C251TB24 belongs to the microcontrollers category of products. It is a member of the Intel family of 8-bit MCS 251 microcontrollers. The TN80C251TB24 is binary-code compatible with MCS 51 microcontrollers and pin compatible with 40-pin PDIP and 44-pin PLCC MCS 51 microcontrollers.

Specifications and features

- 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 with a 40-byte Register File - Registers Accessible as Bytes, Words, or Double Words - Enriched MCS 51 Instruction Set with 16-bit and 32-bit Arithmetic and Logic Instructions, Compare and Conditional Jump Instructions, and an Expanded Set of Move Instructions - Linear Addressing - 256-Kbyte Expanded External Code/Data Memory Space - ROM Options: 16 Kbytes (TB/TQ), 8 Kbytes (TA/TP), or without ROM - 16-bit Internal Code Fetch - 64-Kbyte Extended Stack Space - On-chip Data RAM Options: 1-Kbyte (TA/TB) or 512-Byte (TP/TQ) - 8-bit, 2-clock External Code Fetch in Page Mode - Fast MCS 251 Instruction Pipeline - User-selectable Configurations such as External Wait States (0-3 wait states), Address Range & Memory Mapping, Page Mode, and Extended Data Float Timings or 8xC251Sx Compatible AC Timings - 32 Programmable I/O Lines - Eight Maskable Interrupt Sources with Four Programmable Priority Levels - Three Flexible 16-bit Timer/counters - Hardware Watchdog Timer - Programmable Counter Array with High-speed Output, Compare/Capture Operation, Pulse Width Modulator, and Watchdog Timer - Two Programmable Serial I/O Ports with Framing Error Detection and Automatic Address Recognition - High-performance CHMOS Technology - Static Standby to 24-MHz Operation - Complete System Development Support with compatibility to existing tools and availability of MCS 251 Tools such as Compiler, Assembler, Debugger, and ICE - Package Options (PDIP and PLCC)

Application Scenarios

The TN80C251TB24 microcontroller can be used in various applications that require 8-bit microcontrollers with MCS 51 compatibility. Some possible application scenarios include industrial automation, consumer electronics, automotive systems, and communication devices.

Comparison

- Binary-code compatible with MCS 51 microcontrollers - Pin compatible with 40-pin PDIP and 44-pin PLCC MCS 51 microcontrollers - Enriched MCS 51 Instruction Set - Wide range of user-selectable configurations - Complete system development support - Limited ROM options - Limited on-chip data RAM options