Datasheet > AT89LS53

AT89LS53

更新时间： 2024-09-20 22:26:07

品牌	Logo	应用领域
爱特美尔 - ATMEL		闪存微控制器
页数	文件大小	规格书
31页	492K
描述
8-Bit Microcontroller with 12K Bytes Flash

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AT89LS53 数据手册

AT89LS53

Features

• Compatible with MCS-51^™Products

• 12K Bytes of In-System Reprogrammable Downloadable Flash Memory

- SPI Serial Interface for Program Downloading

- Endurance: 1,000 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

8-Bit

• 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

Microcontroller

with 12K Bytes

Flash

• Power Off Flag

Description

AT89LS53

The AT89LS53 is a low-power, wide-voltage range, high-performance CMOS 8-bit

microcomputer with 12K bytes of downloadable Flash programmable and erasable

read only memory. The device is manufactured using Atmel’s high density nonvolatile

memory technology and is compatible with the industry 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 nonvol-

atile memory programmer. By combining a versatile 8-bit CPU with downloadable

Flash on a monolithic chip, the Atmel AT89LS53 is a powerful microcomputer which

provides a highly flexible and cost effective solution to many embedded control appli-

cations.

The AT89LS53 provides the following standard features: 12K bytes of downloadable

Flash, 256 bytes of RAM, 32 I/O lines, programmable watchdog timer, two Data Point-

ers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full

duplex serial port, on-chip oscillator, and clock circuitry. In addition, the AT89LS53 is

designed with static logic for operation down to zero frequency and supports two soft-

ware selectable power saving modes. The Idle Mode stops the CPU while allowing

the RAM, timer/counters, serial port, and interrupt system 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 hardware 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.

0851B-B–12/97

4-249

12 3 4 5 6 7...31

中文翻译

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与AT89LS53相关器件

型号	品牌	获取价格	描述	数据表
AT89LS53_06	ATMEL	获取价格	8-Bit Microcontroller with 12K Bytes Flash
AT89LS53-12AC	ATMEL	获取价格	8-Bit Microcontroller with 12K Bytes Flash
AT89LS53-12AI	ATMEL	获取价格	8-Bit Microcontroller with 12K Bytes Flash
AT89LS53-12AJ	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQFP44, 10 X 10 MM, 1.0 MM HEIGHT, 0.80 MM PIT
AT89LS53-12AL	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQFP44, 10 X 10 MM, 1.0 MM HEIGHT, 0.80 MM PIT
AT89LS53-12JC	ATMEL	获取价格	8-Bit Microcontroller with 12K Bytes Flash
AT89LS53-12JI	ATMEL	获取价格	8-Bit Microcontroller with 12K Bytes Flash
AT89LS53-12JJ	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQCC44
AT89LS53-12JL	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44
AT89LS53-12PC	ATMEL	获取价格	8-Bit Microcontroller with 12K Bytes Flash

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