Professional supply IC AT91M55800A-33AU Microcontroller IC 16/32-Bit 33MHz ROMless 176-LQFP (24x24)

Product Descriptions

The AT91M55800A 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 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 fully programmable External Bus Interface provides a direct connection to off-chip memory in as fast as one clock cycle for a read or write operation. An eight-level priority vectored interrupt controller in conjunction with the peripheral data

controller significantly improve the real-time performance of the device.

The device is manufactured using Atmel’s high-density CMOS technology. By combining the ARM7TDMI processor core with an on-chip SRAM, a wide range of peripheral functions, analog interfaces and low-power oscillators on a monolithic

chip, the Atmel AT91M55800A is a powerful microcontroller that provides a highly-flexible and cost-effective solution to many ultra low-power applications.

Product Features

• Utilizes the ARM7TDMI® ARM® Thumb® Processor Core

– High-performance 32-bit RISC Architecture

– High-density 16-bit Instruction Set

– Leader in MIPS/Watt

– EmbeddedICE™ (In-Circuit Emulation)

• 8K Bytes Internal SRAM

• Fully-programmable External Bus Interface (EBI)

– Maximum External Address Space of 128M Bytes

– Eight Chip Selects

– Software Programmable 8/16-bit External Databus

• 8-level Priority, Individually Maskable, Vectored Interrupt Controller

– Seven External Interrupts, Including a High-priority, Low-latency Interrupt Request

• Fifty-eight Programmable I/O Lines

• 6-channel 16-bit Timer/Counter

– Six External Clock Inputs and Two Multi-purpose I/O Pins per Channel

• Three USARTs

• Master/Slave SPI Interface

– 8-bit to 16-bit Programmable Data Length

– Four External Slave Chip Selects

• Programmable Watchdog Timer

• 8-channel 10-bit ADC

• 2-channel 10-bit DAC

• Clock Generator with On-chip Main Oscillator and PLL for Multiplication

– 3 to 20 MHz Frequency Range Main Oscillator

• Real-time Clock with On-chip 32 kHz Oscillator

– Battery Backup Operation and External Alarm

• 8-channel Peripheral Data Controller for USARTs and SPIs

• Advanced Power Management Controller (APMC)

– Normal, Wait, Slow, Standby and Power-down modes

• IEEE® 1149.1 JTAG Boundary-scan on all Digital Pins

• Fully Static Operation: 0 Hz to 33 MHz

• 2.7V to 3.6V Core Operating Range

• 2.7V to 5.5V I/O Operating Range

• 2.7V to 3.6V Analog Operating Range

• 1.8V to 3.6V Backup Battery Operating Range

• 2.7V to 3.6V Oscillator and PLL Operating Range

• -40°C to +85°C Temperature Range

• Available in a 176-lead LQFP (Green) and a 176-ball BGAPackage (RoHS-compliant)

Specifications

Actual product photos

Product Data Book：

For more product information, please download the PDF

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