Atmel AT91M40800-33AU-999
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $34.20 | $34.20 |
| 15+ | $7.77 | $116.55 |
| 25+ | $7.61 | $190.25 |
| 50+ | $7.18 | $359.00 |
| 100+ | $6.34 | $634.00 |
| N+ | $1.27 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Atmel |
| Product Series | AT91 |
| Packaging | Bulk | |
| 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-999 is an ARM7TDMI-based microcontroller from Atmel, operating at 33MHz with 8KB SRAM. It runs from 1.8V to 3.6V and comes in a 100-LQFP package, featuring POR and WDT for dependable operation in embedded control applications.
- Proven ARM7TDMI core – mature architecture with extensive toolchain support.
- Wide voltage range (1.8V-3.6V) – flexible for various power supplies.
- 100-pin LQFP – ample I/O for peripheral connectivity.
- Industrial temperature range – reliable in harsh environments.
Legacy Industrial Controllers
ARM7 core with 33MHz speed provides sufficient processing for PLC and HMI upgrades.
Networking Equipment
8KB RAM and WDT support simple protocol stacks in switches and routers.
Medical Monitoring Systems
Low 1.8V operation and wide temperature range suit patient-worn devices.
Point-of-Sale Terminals
100-pin LQFP allows flexible I/O expansion for card readers and displays.
Test & Measurement Tools
POR and WDT ensure reliable startup in benchtop instruments.
Automotive Aftermarket
Robust ARM7 architecture handles sensor fusion in retrofit modules.
- Q: What core does this MCU use?
- A: ARM7TDMI core running at 33MHz.
- Q: What is the supply voltage range?
- A: 1.8V to 3.6V, supporting low-power designs.
- Q: How much RAM is available?
- A: 8KB internal SRAM.
- Q: What package is offered?
- A: 100-LQFP for moderate pin-count applications.
- Q: What core does this MCU use?
- A: ARM7TDMI core running at 33MHz.
- Q: What is the supply voltage range?
- A: 1.8V to 3.6V, supporting low-power designs.
- Q: How much RAM is available?
- A: 8KB internal SRAM.
- Q: What package is offered?
- A: 100-LQFP for moderate pin-count applications.

AT91M40800-33AU-999.pdf