Microchip Technology AT91M40800-33AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.59 | $7.59 |
| 15+ | $7.35 | $110.25 |
| 25+ | $7.19 | $179.75 |
| 50+ | $6.79 | $339.50 |
| 100+ | $5.99 | $599.00 |
| N+ | $1.20 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AT91 |
| Packaging | Tray | |
| Core Processor | ARM7® |
| Core Size | 16/32-Bit |
| Speed | 33MHz |
| Connectivity | EBI/EMI, UART/USART |
| Peripherals | POR, WDT |
| Number of I/O | 32 |
| Program Memory Size | - |
| Program Memory Type | ROMless |
| EEPROM Size | - |
| RAM Size | 8K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Data Converters | - |
| Oscillator Type | External |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 100-LQFP (14x14) |
| Package / Case | 100-LQFP |
| ROHS |
The AT91M40800-33AU from Microchip is a classic 32-bit microcontroller based on the ARM7TDMI core. Operating at 33 MHz, it provides a balanced solution for cost-sensitive applications. It features 8KB of SRAM and supports a supply voltage range of 1.8V to 3.6V. Its 100-LQFP package and industrial temperature range make it a reliable choice for a variety of embedded control tasks.
- Cost-Effective: The ARM7 core provides 32-bit performance at a competitive price point.
- Low Power: Designed for efficiency, it is suitable for battery-powered applications.
- Simple Architecture: Easy to program and debug, reducing development time.
- Proven Reliability: A mature and well-documented platform with long-term availability.
Legacy Industrial Controllers
The ARM7 core at 33MHz is sufficient for basic PLC and process control logic, providing a cost-effective upgrade path for older 8-bit designs.
Simple Data Loggers
With its low power consumption and 8KB RAM, it can buffer sensor data for extended periods in remote monitoring stations.
Point-of-Sale Terminals
Its robust UART and SPI interfaces allow for connection to barcode scanners and thermal printers in basic POS systems.
Motor Control (Basic)
The PWM outputs and watchdog timer enable simple DC motor speed control in appliances and toys.
Telecommunication Equipment
Its reliable operation and wide voltage range make it suitable for line cards and base station control modules.
Educational Kits
The simple architecture and ample documentation make it an excellent choice for teaching embedded systems fundamentals.
- Q: What processor core is used in the AT91M40800-33AU?
- A: It uses the ARM7TDMI core.
- Q: What is the maximum clock speed?
- A: It operates at up to 33 MHz.
- Q: How much RAM does it have?
- A: It includes 8KB of SRAM.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 3.6V.
- Q: What processor core is used in the AT91M40800-33AU?
- A: It uses the ARM7TDMI core.
- Q: What is the maximum clock speed?
- A: It operates at up to 33 MHz.
- Q: How much RAM does it have?
- A: It includes 8KB of SRAM.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 3.6V.

AT91M40800-33AU.pdf