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AT91R40807-33AI Datasheet

  • AT91R40807-33AI

  • AT91 ARM Thumb Microcontrollers

  • 19頁

  • ATMEL   ATMEL

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Features
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Incorporates the ARM7TDMI
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ARM Thumb Processor Core
鈥?High-performance 32-bit RISC Architecture
鈥?High-density 16-bit Instruction Set
鈥?Leader in MIPS/Watt
鈥?Embedded ICE (In-circuit Emulation)
136K Bytes 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 8 Chip Selects
鈥?Software-programmable 8/16-bit External Databus
8-level Priority, Individually Maskable, Vectored Interrupt Controller
鈥?4 External Interrupts, Including a High-priority Low-latency Interrupt Request
32 Programmable I/O Lines
3-channel 16-bit Timer/Counter
鈥?3 External Clock Inputs
鈥?2 Multi-purpose I/O Pins per Channel
2 USARTs
鈥?2 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 33 MHz Internal Frequency Range at 3.0V, 85擄C
1.8V to 3.6V Operating Range
-40擄C to +85擄C Temperature Range
Available in a 100-lead TQFP Package
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AT91
ARM
廬
Thumb
廬
Microcontrollers
AT91R40807
Summary
Description
The AT91R40807 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. In addition, a large number of internally banked reg-
isters result in very fast exception handling, making the device ideal for real-time
control applications.
The AT91R40807 microcontroller 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, 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 AT91R40807 is a powerful
microcontroller that offers a flexible and high-performance solution to many compute-
intensive embedded control applications.
Rev. 1345DS鈥揂TARM鈥?2/02
Note: This is a summary document. A complete document is
available on our web site at www.atmel.com.
1

AT91R40807-33AI 產(chǎn)品屬性

  • 96

  • 集成電路 (IC)

  • 嵌入式 - 微控制器，

  • AT91

  • ARM7

  • 16/32-位

  • 33MHz

  • EBI/EMI，UART/USART

  • WDT

  • 32

  • -

  • ROMless

  • -

  • 136K x 8

  • 1.8 V ~ 3.6 V

  • -

  • 外部

  • -40°C ~ 85°C

  • 100-LQFP

  • 托盤

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