參數(shù)資料
型號: AT91R40008-66AI SL383
廠商: Atmel
文件頁數(shù): 1/19頁
文件大?。?/td> 0K
描述: IC ARM MCU 16BIT 100TQFP
標(biāo)準(zhǔn)包裝: 1,000
系列: AT91
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 66MHz
連通性: EBI/EMI,UART/USART
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 32
程序存儲器類型: ROMless
RAM 容量: 256K x 8
電壓 - 電源 (Vcc/Vdd): 1.65 V ~ 1.95 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 帶卷 (TR)
配用: AT91EB40A-ND - KIT EVAL FOR ARM AT91R40008
其它名稱: AT91R4000866AISL3
Features
Incorporates the ARM7TDMI ARM Thumb Processor Core
– High-performance 32-bit RISC Architecture
– High-density 16-bit Instruction Set
– Leader in MIPS/Watt
– Little-endian
– EmbeddedICE (In-circuit Emulation)
8-, 16- and 32-bit Read and Write Support
256K Bytes of On-chip SRAM
– 32-bit Data Bus
– Single-clock Cycle Access
Fully Programmable External Bus Interface (EBI)
– Maximum External Address Space of 64M Bytes
– Up to Eight Chip Selects
– Software Programmable 8/16-bit External Data Bus
Eight-level Priority, Individually Maskable, Vectored Interrupt Controller
– Four External Interrupts, including a High-priority, Low-latency Interrupt Request
32 Programmable I/O Lines
Three-channel 16-bit Timer/Counter
– Three External Clock Inputs
– Two Multi-purpose I/O Pins per Channel
Two USARTs
– Two Dedicated Peripheral Data Controller (PDC) Channels per USART
Programmable Watchdog Timer
Advanced Power-saving Features
– CPU and Peripheral Can be Deactivated Individually
Fully Static Operation:
– 0 Hz to 75 MHz Internal Frequency Range at VDDCORE = 1.8V, 85
° C
2.7V to 3.6V I/O Operating Range
1.65V to 1.95V Core Operating Range
-40
° C to +85° C Temperature Range
Available in 100-lead LQFP Package (Green)
1.
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’s high-density CMOS technology. By com-
bining 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.
AT91 ARM
Thumb-based
Microcontroller
AT91R40008
Summary
Note: This is a summary document. A complete document
is available on our Web site at www.atmel.com.
1732FS–ATARM–12-Apr-06
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