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MFG:ATMEL  Package Cooled:QFP  D/C:0716+  

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Part Number: AT91M40400

 

MFG: ATMEL

Package Cooled: QFP

D/C: 0716+

Description: The AT91M40400 is a member of the Atmel AT91 16/32-bit Microcontroller family which is based on the ARM7TDMI embedded p...


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AT91M40400 General Description


The AT91M40400 is a member of the Atmel AT91 16/32-bit Microcontroller family which is based on the ARM7TDMI embedded processor. This processor has a highperformance 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 AT91 ARM-based MCU family also features Atmel's high-density, nonvolatile memory technology. The on-chip Flash program memory is in-system programmable.
 
The AT91M40400 has a direct connection to off-chip memory, including Flash, through the External Bus Interface.

The device is manufactured using Atmel's high-density CMOS technology. By combining the ARM7TDMI microcon-troller core with an on-chip RAM and a wide range of peripheral functions on a monolithic chip, the Atmel AT91M-40400 is a powerful microcontroller that provides a flexible, costeffective solution to many computeintensive embedded control applications.

AT91M40400 Features

• Incorporates the ARM7TDMI ™ ARM Thumb processor
High-performance 32-bit RISC architecture
High-density 16-bit instruction set
Leader in MIPS/Watt
Embedded ICE In Circuit Emulation
• 4K bytes internal RAM
• Fully programmable External Bus Interface (EBI)
Maximum external address space of 64M bytes
Up to eight chip selects
Software programmable 8/16-bit external databus
• 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
• Low-power idle and power-down modes
• Fully static operation: 0 Hz to 33 MHz
• 2.7V to 3.6V operating range
• Available in a 100-lead TQFP package

AT91M40400 Connection Diagram

AT91M40400 Connection Diagram

AT91M40400 datasheet

AT91M40400
PDF/DataSheet Download

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