Datasheet > AT89LV55_06

AT89LV55_06

更新时间： 2024-09-21 04:33:15

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	669K
描述
8-bit Microcontroller with 20K Bytes Flash

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中文翻译

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数据手册

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AT89LV55_06 数据手册

Features

• Compatible with MCS^®-51 Products

• 20K Bytes of Reprogrammable Flash Memory

– Endurance: 1,000 Write/Erase Cycles

• 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

• Eight Interrupt Sources

• Low-power Idle and Power-down Modes

• 2.7V to 6.0V Operating Range

Microcontroller

with 20K Bytes

Flash

1. Description

The AT89LV55 is a low-voltage, low-power CMOS 8-bit microcontroller with 20K bytes

of 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 Flash allows the pro-

gram memory to be reprogrammed. By combining a versatile 8-bit CPU with Flash on

a monolithic chip, the Atmel AT89LV55 is a powerful microcontroller which provides a

highly-flexible and cost-effective solution to many embedded control applications.

AT89LV55

The AT89LV55 provides the following standard features: 20K bytes of Flash,

256 bytes of RAM, 32 I/O lines, 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 AT89LV55 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 hardware reset.

The low-voltage option saves power and operates with a 2.7-volt power supply.

0811D–MICRO–3/06

12 3 4 5 6 7...32

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