AT89LS8252中文资料8-Bit Microcontroller with 8K Bytes Flash数据手册Microchip规格书

描述 Description

The AT89LS8252 is a low-power, wide-voltage range, high-performance CMOS 8-bit microcomputer with 8K bytes of Downloadable Flash programmable and erasable read only memory and 2K bytes of EEPROM. The device is manufactured using Atmel’s high density nonvolatile memory technology and is compatible with the indus try standard 80C51 instruction set and pinout.

特性 Features

• Compatible with MCS® 51 Products
• 8K Bytes of In-System Reprogrammable Downloadable Flash Memory
- SPI Serial Interface for Program Downloading
- Endurance: 1,000 Write/Erase Cycles
• 2K Bytes EEPROM
- Endurance: 100,000 Write/Erase Cycles
• 2.7V to 6V Operating Range
• Fully Static Operation: 0 Hz to 12 MHz
• Three-Level Program Memory Lock
• 256 x 8 bit Internal RAM
• 32 Programmable I/O Lines
• Three 16 bit Timer/Counters
• Nine Interrupt Sources
• Programmable UART Serial Channel
• SPI Serial Interface
• Low Power Idle and Power Down Modes
• Interrupt Recovery From Power Down
• Programmable Watchdog Timer
• Dual Data Pointer
• Power Off Flag

简介

AT89LS8252属于集成电路（IC）的微控制器。由制造生产的AT89LS8252微控制器微控制器产品是相对复杂的用户可编程数字逻辑器件。这些产品与视为微控制器的器件密切相关，两者之间的区别主要体现在制造商选择的用词。不过按照传统，微控制器集成了工作存储器，也更可能包含混合信号外设，并且往往与更简单的软件范例结合使用，旨在重复执行一系列预定义的任务。