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Description
Product Overview
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.
- High density 16bit instruction set
- EmbeddedICE™ (In-circuit emulation)
- 8KB internal SRAM
- 8-level priority, individually maskable, vectored interrupt controller
- Serial peripheral interface (SPI)
- 2-channel 10-bit DAC
- 8-channel peripheral data controller for USARTs and SPIs
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Product details
| Product Range | AT91 Family AT91M Series Microcontrollers |
| Data Bus Width | 32 bit |
| Program Memory Size | - |
| IC Case / Package | LQFP |
| Interfaces | EBI, EMI, SPI, UART, USART |
| ADC Channels | 8Channels |
| Supply Voltage Min | 2.7V |
| Operating Temperature Min | -40°C |
| IC Mounting | Surface Mount |
| MCU Series | AT91M |
| MSL | MSL 3 - 168 hours |
| Device Core | ARM7TDMI |
| Operating Frequency Max | 33MHz |
| No. of Pins | 176Pins |
| No. of I/O's | 58I/O's |
| RAM Memory Size | 8KB |
| ADC Resolution | 10Bit |
| Supply Voltage Max | 3.6V |
| Operating Temperature Max | 85°C |
| MCU Family | AT91 |
| Qualification | - |
| SVHC | No SVHC (04-Feb-2026) |
Other details
| Brand | MICROCHIP |
| Part Number | AT91M55800A-33AU |
| Quantity | Each |
| Technical Data Sheet (3.97MB) EN | View or download |
| CAD CadSoft_EAGLE (54.33KB) EN | View or download |
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 97999999.02 |
| 3-5 | ₹ 96999999.03 |
| 5-10 | ₹ 94999999.05 |
| 10+ | ₹ 92999999.07 |
Bulk discount will be automatically applied during checkout based on quantity.