AT89LS52 datasheet(1/39 Pages) ATMEL

부품명	AT89LS52

상세설명	8-bit Low-Voltage Microcontroller with 8K Bytes In-System Programmable Flash

PDF	39 Pages

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제조업체	ATMEL [ATMEL Corporation]

홈페이지	http://www.atmel.com

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Features

• Compatible with MCS-51® Products

• 8K Bytes of In-System Programmable (ISP) Flash Memory

– Endurance: 1000 Write/Erase Cycles

• 2.7V to 4.0V Operating Range

• Fully Static Operation: 0 Hz to 16 MHz

• Three-level Program Memory Lock

• 256 x 8-bit Internal RAM

• 32 Programmable I/O Lines

• Three 16-bit Timer/Counters

• Eight Interrupt Sources

• Full Duplex UART Serial Channel

• Low-power Idle and Power-down Modes

• Interrupt Recovery from Power-down Mode

• Watchdog Timer

• Dual Data Pointer

• Power-off Flag

• Flexible ISP Programming (Byte and Page Modes)

Description

The AT89LS52 is a low-voltage, high-performance CMOS 8-bit microcontroller with 8K

bytes of in-system programmable Flash memory. The device is manufactured using

Atmel’s high-density nonvolatile memory technology and is compatible with the indus-

try-standard 80C51 instruction set and pinout. The on-chip Flash allows the program

memory to be reprogrammed in-system or by a conventional nonvolatile memory pro-

grammer. By combining a versatile 8-bit CPU with in-system programmable Flash on a

monolithic chip, the Atmel AT89LS52 is a powerful microcontroller which provides a

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

The AT89LS52 provides the following standard features: 8K bytes of Flash, 256 bytes

of RAM, 32 I/O lines, Watchdog timer, two data pointers, 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 AT89LS52 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.

8-bit

Low-Voltage

Microcontroller

with 8K Bytes

In-System

Programmable

Flash

AT89LS52

Preliminary

Rev. 2601A–12/01

유사한 부품 번호 - AT89LS52

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ATMEL Corporation	AT89LS52	602Kb / 39P	8-bit Low-Voltage Microcontroller with 8K Bytes In-System Programmable Flash
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	AT89LS52-16AI	529Kb / 40P	8-bit Low-Voltage Microcontroller with 8K Bytes In-System Programmable Flash
	AT89LS52-16AU	529Kb / 40P	8-bit Low-Voltage Microcontroller with 8K Bytes In-System Programmable Flash
	AT89LS52-16AU	602Kb / 39P	8-bit Low-Voltage Microcontroller with 8K Bytes In-System Programmable Flash

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AT89LS52 데이터시트(PDF) 1 Page - ATMEL Corporation

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