Datasheet > AT89S8252-24JL

AT89S8252-24JL

更新时间： 2024-11-09 03:24:15

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器
页数	文件大小	规格书
41页	497K
描述
Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44

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数据手册

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AT89S8252-24JL 数据手册

Features

• Compatible with MCS^®51 Products

• 8K Bytes of In-System Reprogrammable Downloadable Flash Memory

– SPI Serial Interface for Program Downloading

– Endurance: 1,000 Write/Erase Cycles

• 2K Bytes EEPROM

– Endurance: 100,000 Write/Erase Cycles

• 4V 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

8-bit

Microcontroller

with 8K Bytes

Flash

• Nine Interrupt Sources

• 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

• Power-off Flag

AT89S8252

Description

The AT89S8252 is a low-power, high-performance CMOS 8-bit microcontroller with 8K

bytes of downloadable Flash programmable and erasable read-only memory and 2K

bytes of EEPROM. 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 AT89S8252 is a powerful microcontroller, which

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

applications.

Not Recommended

for New Designs.

Use AT89S8253.

The AT89S8252 provides the following standard features: 8K bytes of downloadable

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 two-level interrupt

architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In addition,

the AT89S8252 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 contents but freezes the oscillator,

disabling all other chip functions until the next external 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 bits have been activated.

0401G–MICRO–3/06

12 3 4 5 6 7...41

中文翻译

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与AT89S8252-24JL相关器件

型号	品牌	获取价格	描述	数据表
AT89S8252-24JLT/R	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQCC44, PLASTIC, MS-047AC, LCC-44
AT89S8252-24PC	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
AT89S8252-24PI	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
AT89S8252-24PJ	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, MS-011AC, DIP-40
AT89S8252-24PL	ATMEL	获取价格	Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, MS-011AC, DIP-40
AT89S8252-24PU	ATMEL	获取价格	8-bit Microcontroller with 8K Bytes Flash
AT89S8252-24QC	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
AT89S8252-24QI	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
AT89S8252-33AC	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash
AT89S8252-33JC	ATMEL	获取价格	8-Bit Microcontroller with 8K Bytes Flash

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