8-bit microcontroller featuring an 80C51 CISC core, operating up to 60MHz. This integrated circuit offers 64KB of FLASH memory and 2KB of RAM, with an 8-bit address and data bus. It supports SPI and UART interfaces, includes 3 timers/counters and 5 PWM channels, and provides 50 I/Os. Designed for surface mounting in a 68-pin PLCC package, it operates from 2.7V to 5.5V with an access time of 60µs.
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Microchip AT89C51ED2-SMSIM technical specifications.
| Access Time | 60us |
| Address Bus Width | 8b |
| Package/Case | PLCC |
| Core Architecture | 80C51 |
| Data Bus Width | 8b |
| Frequency | 40MHz |
| Height | 4.57mm |
| Interface | SPI, UART |
| Lead Free | Contains Lead |
| Length | 24.33mm |
| Max Frequency | 60MHz |
| 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 I/Os | 50 |
| Number of PWM Channels | 5 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Number of UART Channels | 1 |
| RAM Size | 2KB |
| RoHS Compliant | No |
| Width | 24.33mm |
| RoHS | Not Compliant |
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