AT91R40008-66AU AT91R40008 ARM Thumb-based Microcontroller

ATMEL AT91R40008-66AU AT91R40008 ARM Thumb-based Microcontroller

PDF Datasheet：

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)

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