AT89S53-16AA

更新时间： 2024-11-26 22:53:59

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
32页	474K
描述
8-Bit Microcontroller with 12K Bytes Flash

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中文翻译

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数据手册

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AT89S53-16AA 数据手册

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

• 4.0V to 6V Operating Range

• Fully Static Operation: 0 Hz to 24 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

AT89S53

The AT89S53 is a low-power, 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 nonvolatile memory programmer.

By combining a versatile 8-bit CPU with Downloadable Flash on a monolithic chip, the

Atmel AT89S53 is a powerful microcomputer which provides a highly flexible and cost

effective solution to many embedded control applications.

The AT89S53 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 AT89S53 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.

0787B-B–12/97

4-217

12 3 4 5 6 7...32

中文翻译

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与AT89S53-16AA相关器件

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