AT91M55800A-33AU

The AT91M55800A-33AU is a 32-bit Microcontroller based on the ARM7TDMI processor core. This processor has a high-performance 32-bit RISC architecture with a High density 16bit 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.

• Incorporates the ARM7TDMI ARM Thumb processor
• High-performance 32-bit RISC architecture
• High density 16bit instruction set
• Leader in MIPS/Watt
• EmbeddedICE™ (In-circuit emulation)
• 8KB internal SRAM
• Fully-programmable external bus interface (EBI)
• 8-level priority, individually maskable, vectored interrupt controller
• 6-channel 16-bit Timer/counter
• Three USARTs
• Serial peripheral interface (SPI)
• Programmable watchdog timer
• 8-channel 10-bit ADC
• 2-channel 10-bit DAC
• Clock generator with on-chip main oscillator and PLL for multiplication
• Real-time clock with on-chip 32kHz oscillator
• 8-channel peripheral data controller for USARTs and SPIs
• Advanced power management controller (APMC)
• IEEE® 1149.1 JTAG boundary-scan on all digital pins
• 0 to 33MHz Fully static operation

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