Datasheet > AT89LS53-12PL

AT89LS53-12PL

更新时间： 2024-11-25 03:32:27

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器光电二极管
页数	文件大小	规格书
35页	781K
描述
Microcontroller, 8-Bit, FLASH, 12MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, MS-011AC, DIP-40

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中文翻译

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数据手册

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AT89LS53-12PL 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

• 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

8-Bit

• Nine Interrupt Sources

• Programmable UART Serial Channel

• SPI Serial Interface

Microcontroller

with 12K Bytes

Flash

• Low Power Idle and Power Down Modes

• Interrupt Recovery From Power Down

• Programmable Watchdog Timer

• Dual Data Pointer

• 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.

Not Recommended

for New Designs.

Use AT89S8253.

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.

0851C–MICRO–3/06

12 3 4 5 6 7...35

中文翻译

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AT89LS8252-12JI	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
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