Datasheet > AT91X40

AT91X40

更新时间： 2024-02-22 00:09:48

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
153页	1704K
描述
AT91 ARM Thumb Microcontrollers

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中文翻译

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数据手册

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AT91X40 数据手册

Features

• Incorporates the ARM7TDMI^™ARM^®Thumb^®Processor Core

– High-performance 32-bit RISC Architecture

– High-density 16-bit Instruction Set

– Leader in MIPS/Watt

– Embedded ICE (In-Circuit Emulation)

• On-chip SRAM and/or ROM

– 32-bit Data Bus

– Single-clock Cycle Access

• Fully Programmable External Bus Interface (EBI)

– Maximum External Address Space of 64M Bytes

– Up to 8 Chip Selects

– Software Programmable 8/16-bit External Databus

• 8-level Priority, Individually Maskable, Vectored Interrupt Controller

– 4 External Interrupts, Including a High-priority Low-latency Interrupt Request

• 32 Programmable I/O Lines

AT91

ARM^®Thumb^®

Microcontrollers

• 3-channel 16-bit Timer/Counter

– 3 External Clock Inputs

– 2 Multi-purpose I/O Pins per Channel

• 2 USARTs

– 2 Dedicated Peripheral Data Controller (PDC) Channels per USART

• Programmable Watchdog Timer

• Advanced Power-saving Features

– CPU and Peripheral Can be Deactivated Individually

• Available in a 100-lead TQFP Package

AT91M40800

AT91R40807

AT91M40807

AT91R40008

Microcontroller

AT91M40800

AT91R40807

AT91M40807

AT91R40008

Primary SRAM Bank

8K Bytes

Secondary SRAM Bank

ROM

–

8K Bytes

128K Bytes

–

8K Bytes

–

128K Bytes

–

256K Bytes

Description

The AT91X40 Series is a subset of the Atmel AT91 16/32-bit microcontroller family,

which is based on the ARM7TDMI processor core. This processor has a high-perfor-

mance 32-bit RISC architecture with a high-density 16-bit instruction set and very low

power consumption. In addition, a large number of internally banked registers result in

very fast exception handling, making the device ideal for real-time control applications.

The AT91X40 Series features a direct connection to off-chip memory, including Flash,

through the fully programmable External Bus Interface (EBI). An eight-level priority

vectored interrupt controller, in conjunction with the Peripheral Data Controller signifi-

cantly improve the real-time performance of the device.

The devices are manufactured using Atmel’s high-density CMOS technology. By com-

bining the ARM7TDMI processor core with on-chip high-speed memory and a wide

range of peripheral functions on a monolithic chip, the Atmel AT91X40 Series is a fam-

ily of powerful microcontrollers that offer a flexible, cost-effective solution to many

compute-intensive embedded control applications.

Rev. 1354D–ATARM–05/02

12 3 4 5 6 7...153

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与AT91X40相关器件

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AT93C46	ATMEL	获取价格	3-Wire Serial EEPROMs
AT93C46_05	ATMEL	获取价格	Three-wire Serial EEPROMs
AT93C46_07	ATMEL	获取价格	Three-wire Serial EEPROM
AT93C46-10	ATMEL	获取价格	3-Wire Serial EEPROMs
AT93C46-10PA-2.7C	ETC	获取价格	Microwire Serial EEPROM
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AT93C46-10PC	ATMEL	获取价格	3-Wire Serial EEPROMs
AT93C46-10PC-1.8	ATMEL	获取价格	3-Wire Serial EEPROMs
AT93C46-10PC-2.5	ATMEL	获取价格	3-Wire Serial EEPROMs
AT93C46-10PC-2.7	ATMEL	获取价格	3-Wire Serial EEPROMs

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