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Description: The AT91M43300 is a member of the Atmel AT91 16/32-bit Microcontroller family, which is based on the ARM7TDMI processor...


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AT91M43300 General Description


The AT91M43300 is a member of the Atmel AT91 16/32-bit Microcontroller 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 fea-tures 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, in-system programmable, nonvolatile memory technology.

The AT91M43300 has a direct connection to off-chip memory, including Flash, through the fully-programmable External Bus Interface.

The AT91M43300 is manufactured using Atmel's high-density CMOS technology. By combining the ARM7TDMI microcontroller core with an on-chip SRAM, and a wide range of peripheral functions on a monolithic chip, the AT-91M43300 provides a highlyflexible and cost-effective solution to many compute-intensive multiprocessor applica-tions.

The compact BGA package reduces required board space to an absolute minimum.

AT91M43300 Features

• Utilizes the ARM7TDMI™ ARM® Thumb® Processor Core
High-performance 32-bit RISC Architecture
High-density 16-bit Instruction Set
Leader in MIPS/Watt
Embedded ICE (In-Circuit Emulation)
• 3K Bytes Internal RAM
• Fully-programmable External Bus Interface (EBI)
Maximum External Address Space of 64M Bytes
Up to 8 Chip Selects
Software-programmable 8/16-bit External Data Bus
• 8-channel Peripheral Data Controller
• 8-level Priority, Individually-maskable, Vectored Interrupt Controller
5 External Interrupts, including a High-priority, Low-latency Interrupt Request
• 58 Programmable I/O Lines
• 6-channel 16-bit Timer/Counter
6 External Clock Inputs
2 Multi-purpose I/O Pins per Channel
• 3 USARTs
2 Dedicated Peripheral Data Controller (PDC) Channels per USART
Support for up to 9-bit Data Transfers
• Master/Slave SPI Interface
2 Dedicated Peripheral Data Controller (PDC) Channels
8- to 16-bit Programmable Data Length
4 External Slave Chip Selects
• Programmable Watchdog Timer
• Power Management Controller (PMC)
CPU and Peripherals can be Deactivated Individually
• IEEE 1149.1 JTAG Boundary Scan on all Active Pins
• Fully Static Operation: 0 Hz to 25 MHz (12 MHz @ 1.8V)
• 1.8V to 3.6V Core Operating Voltage Range
• 2.7V to 5.5V I/O Operating Voltage Range
• -40° to +85°C Operating Temperature Range
• Available in a 144-ball PBGA Package

AT91M43300 datasheet

AT91M43300
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