Datasheet > AT89LS8252_06

AT89LS8252_06

更新时间： 2024-09-21 04:33:15

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器
页数	文件大小	规格书
35页	673K
描述
8-Bit Microcontroller with 8K Bytes Flash

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中文翻译

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数据手册

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AT89LS8252_06 数据手册

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

8-Bit

• 32 Programmable I/O Lines

• Three 16 bit Timer/Counters

• Nine Interrupt Sources

• Programmable UART Serial Channel

• SPI Serial Interface

Microcontroller

with 8K Bytes

Flash

• Low Power Idle and Power Down Modes

• Interrupt Recovery From Power Down

• Programmable Watchdog Timer

• Dual Data Pointer

• Power Off Flag

AT89LS8252

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. The on-chip Downloadable Flash

allows the program memory to be reprogrammed in-system through an SPI serial

interface or by a conventional nonvolatile memory programmer. By combining a ver-

satile 8-bit CPU with Downloadable Flash on a monolithic chip, the Atmel

AT89LS8252 is a powerful microcomputer which provides a highly flexible and cost

effective solution to many embedded control applications.

Not Recommended

for New Designs.

Use AT89S8253.

The AT89LS8252 provides the following standard features: 8K bytes of Downloadable

Flash, 2K bytes of EEPROM, 256 bytes of RAM, 32 I/O lines, programmable watch-

dog timer, two Data Pointers, three 16-bit timer/counters, a six-vector two-level inter-

rupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In

addition, the AT89LS8252 is designed with static logic for operation down to zero fre-

quency and supports two software selectable power saving modes. The Idle Mode

stops the CPU while allowing the RAM, timer/counters, serial port, and interrupt sys-

tem to continue functioning. The Power Down Mode saves the RAM contents but

freezes the oscillator, disabling all other chip functions until the next interrupt or hard-

ware reset.

The Downloadable Flash can be changed a single byte at a time and is accessible

through the SPI serial interface. Holding RESET active forces the SPI bus into a serial

programming interface and allows the program memory to be written to or read from

unless Lock Bit 2 has been activated.

0850C–MICRO–3/06

12 3 4 5 6 7...35

中文翻译

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与AT89LS8252_06相关器件

型号	品牌	获取价格	描述	数据表
AT89LS8252-12AC	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
AT89LS8252-12AI	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
AT89LS8252-12AJ	MICROCHIP	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQFP44
AT89LS8252-12AL	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM THICKNESS, 0.80 MM PI
AT89LS8252-12AL	MICROCHIP	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQFP44
AT89LS8252-12JC	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
AT89LS8252-12JI	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
AT89LS8252-12JJ	MICROCHIP	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQCC44
AT89LS8252-12JL	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44
AT89LS8252-12JL	MICROCHIP	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQCC44

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