32-bit ARM microcontroller featuring a ROMless architecture and operating at 33MHz. This surface mount IC offers 8KB RAM, 58 programmable I/Os, and includes 6 timers/counters, POR, and WDT peripherals. Interfaces supported include SPI, UART, USART, and EBI/EMI. Operating voltage ranges from 2.7V to 3.6V, with an internal oscillator. Packaged in a 176-pin LQFP, this lead-free component is RoHS compliant.
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Microchip AT91M55800A-33AU technical specifications.
| Access Time | 33us |
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 33MHz |
| Height | 1.4mm |
| Interface | SPI, UART, USART, EBI/EMI |
| Lead Free | Lead Free |
| Length | 24mm |
| Max Frequency | 33MHz |
| Max Operating Temperature | 85°C |
| Memory Type | ROMless, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of I/Os | 58 |
| Number of Programmable I/O | 58 |
| Number of Timers/Counters | 6 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Packaging | Tray |
| Peripherals | POR, WDT |
| RAM Size | 8KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | AT91 |
| Watchdog Timer | Yes |
| Width | 24mm |
| RoHS | Compliant |
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