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AT91R40008-66AI Datasheet

  • AT91R40008-66AI

  • AT91 ARM Thumb Microcontroller

  • 18頁

  • ATMEL   ATMEL

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Features
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Incorporates the ARM7TDMI
廬
ARM
廬
Thumb
廬
Processor Core
鈥?High-performance 32-bit RISC Architecture
鈥?High-density 16-bit Instruction Set
鈥?Leader in MIPS/Watt
鈥?Little-endian
鈥?Embedded ICE (In-circuit Emulation)
8-, 16- and 32-bit Read and Write Support
256K Bytes of On-chip SRAM
鈥?32-bit Data Bus
鈥?Single-clock Cycle Access
Fully Programmable External Bus Interface (EBI)
鈥?Maximum External Address Space of 64M Bytes
鈥?Up to Eight Chip Selects
鈥?Software Programmable 8/16-bit External Data Bus
Eight-level Priority, Individually Maskable, Vectored Interrupt Controller
鈥?Four External Interrupts, including a High-priority, Low-latency Interrupt Request
32 Programmable I/O Lines
Three-channel 16-bit Timer/Counter
鈥?Three External Clock Inputs
鈥?Two Multi-purpose I/O Pins per Channel
Two USARTs
鈥?Two Dedicated Peripheral Data Controller (PDC) Channels per USART
Programmable Watchdog Timer
Advanced Power-saving Features
鈥?CPU and Peripheral Can be Deactivated Individually
Fully Static Operation:
鈥?0 Hz to 75 MHz Internal Frequency Range at VDDCORE = 1.8V, 85擄C
2.7V to 3.6V I/O Operating Range
1.65V to 1.95V Core Operating Range
-40擄C to +85擄C Temperature Range
Available in 100-lead TQFP Package
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AT91 ARM
廬
Thumb
廬
Microcontroller
AT91R40008
Summary
Description
The AT91R40008 microcontroller is a member of the Atmel AT91 16/32-bit microcon-
troller family, which is based on the ARM7TDMI processor core. This processor has a
high-performance, 32-bit RISC architecture with a high-density, 16-bit instruction set
and very low power consumption. Furthermore, it features 256K bytes of on-chip
SRAM and a large number of internally banked registers, resulting in very fast excep-
tion handling, and making the device ideal for real-time control applications.
The AT91R40008 microcontroller features a direct connection to off-chip memory,
including Flash, through the fully programmable External Bus Interface (EBI). An 8-
level priority vectored interrupt controller, in conjunction with the Peripheral Data Con-
troller, significantly improves the real-time performance of the device.
The device is manufactured using Atmel鈥檚 high-density CMOS technology. By combin-
ing the ARM7TDMI processor core with a large, on-chip, high-speed SRAM and a
wide range of peripheral functions on a monolithic chip, the AT91R40008 is a powerful
microcontroller that offers a flexible and high-performance solution to many compute-
intensive embedded control applications.
1732DS鈥揂TARM鈥?3/04
Note: This is a summary document. A complete document
is not available at this time. For more information, please
contact your local Atmel sales office.

AT91R40008-66AI 產(chǎn)品屬性

  • 90

  • 集成電路 (IC)

  • 嵌入式 - 微控制器，

  • AT91

  • ARM7

  • 16/32-位

  • 66MHz

  • EBI/EMI，UART/USART

  • POR，WDT

  • 32

  • -

  • ROMless

  • -

  • 256K x 8

  • 1.65 V ~ 1.95 V

  • -

  • 外部

  • -40°C ~ 85°C

  • 100-TQFP

  • 托盤

  • AT91EB40A-ND - KIT EVAL FOR ARM AT91R40008

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