Datasheet > AT89S8253_07

AT89S8253_07

更新时间： 2024-09-21 04:33:15

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
56页	762K
描述
8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM

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AT89S8253_07 数据手册

Features

• Compatible with MCS^®-51 Products

• 12K Bytes of In-System Programmable (ISP) Flash Program Memory

– SPI Serial Interface for Program Downloading

– Endurance: 10,000 Write/Erase Cycles

• 2K Bytes EEPROM Data Memory

– Endurance: 100,000 Write/Erase Cycles

• 64-byte User Signature Array

• 2.7V to 5.5V Operating Range

• Fully Static Operation: 0 Hz to 24 MHz

• Three-level Program Memory Lock

• 256 x 8-bit Internal RAM

8-bit

• 32 Programmable I/O Lines

Microcontroller

with 12K Bytes

Flash and 2K

Bytes EEPROM

• Three 16-bit Timer/Counters

• Nine Interrupt Sources

• Enhanced UART Serial Port with Framing Error Detection and Automatic Address

Recognition

• Enhanced SPI (Double Write/Read Buffered) Serial Interface

• Low-power Idle and Power-down Modes

• Interrupt Recovery from Power-down Mode

• Programmable Watchdog Timer

• Dual Data Pointer

• Power-off Flag

• Flexible ISP Programming (Byte and Page Modes)

– Page Mode: 64 Bytes/Page for Code Memory, 32 Bytes/Page for Data Memory

• Four-level Enhanced Interrupt Controller

• Programmable and Fuseable x2 Clock Option

• Internal Power-on Reset

AT89S8253

Preliminary

• 42-pin PDIP Package Option for Reduced EMC Emission

Description

The AT89S8253 is a low-power, high-performance CMOS 8-bit microcontroller with

12K bytes of In-System Programmable (ISP) Flash program memory and 2K bytes of

EEPROM data memory. The device is manufactured using Atmel’s high-density non-

volatile memory technology and is compatible with the industry-standard MCS-51

instruction set and pinout. The on-chip downloadable Flash allows the program mem-

ory 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 download-

able Flash on a monolithic chip, the Atmel AT89S8253 is a powerful microcontroller

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

applications.

The AT89S8253 provides the following standard features: 12K bytes of In-System Pro-

grammable Flash, 2K bytes of EEPROM, 256 bytes of RAM, 32 I/O lines,

programmable watchdog timer, two data pointers, three 16-bit timer/counters, a six-

vector, four-level interrupt architecture, a full duplex serial port, on-chip oscillator, and

clock circuitry. In addition, the AT89S8253 is designed with static logic for operation

down to zero frequency and supports two software 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 con-

tents but freezes the oscillator, disabling all other chip functions until the next external

interrupt or hardware reset.

The on-board Flash/EEPROM 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 one or more lock bits have been

activated.

Rev. 3286A–MICRO–7/04

12 3 4 5 6 7...56

中文翻译

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与AT89S8253_07相关器件

型号	品牌	获取价格	描述	数据表
AT89S8253_08	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253_09	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash
AT89S8253_10	ATMEL	获取价格	8-bit Microcontroller with 12 Kbyte Flash
AT89S8253-24AC	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253-24AI	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253-24AL	ATMEL	获取价格	暂无描述
AT89S8253-24AU	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253-24JC	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253-24JI	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253-24JL	ATMEL	获取价格	暂无描述

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