8-bit microcontroller (MCU) with 64KB FLASH memory and 2KB RAM. Features an 8051 core architecture operating up to 40MHz, with an 8-bit address and data bus. Includes SPI and UART interfaces, 5 PWM channels, 3 timers/counters, and a watchdog timer. Designed for surface mount with a 44-pin PLCC package, supporting a supply voltage range of 2.7V to 5.5V and operating temperatures from -40°C to 85°C.
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Microchip AT89C51ED2-SLSUM technical specifications.
| Access Time | 60us |
| Address Bus Width | 8b |
| Package/Case | PLCC |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Density | 64KB |
| Frequency | 60MHz |
| Height | 4.06mm |
| Interface | SPI, UART |
| Lead Free | Lead Free |
| Length | 16.66mm |
| Max Frequency | 40MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of Bits | 8 |
| Number of I/Os | 34 |
| Number of PWM Channels | 5 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Number of UART Channels | 1 |
| Oscillator Type | External |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 2KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Termination | SMD/SMT |
| Watchdog Timer | Yes |
| Width | 16.66mm |
| RoHS | Compliant |
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