The AT89C51RD2-RLRUM is a 64KB FLASH microcontroller based on the 8051 core architecture, operating at a maximum frequency of 60MHz. It features an 8-bit data bus and supports SPI, UART, and USART interfaces. The device is packaged in a lead-free LQFP-44 package and is suitable for operating within a temperature range of -40°C to 85°C. The microcontroller includes 34 I/Os, 3 timers/counters, and peripherals such as a power-on reset, pulse-width modulation, and a watchdog timer.
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Microchip AT89C51RD2-RLRUM technical specifications.
| Access Time | 60us |
| Package/Case | LQFP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 60MHz |
| Interface | SPI, UART, USART |
| Lead Free | Lead Free |
| Max Frequency | 60MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 2.7V |
| Number of I/Os | 34 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 3 |
| Oscillator Type | External |
| Package Quantity | 1 |
| Packaging | Cut Tape |
| Peripherals | POR, PWM, WDT |
| RAM Size | 2KB |
| Series | 89C |
| RoHS | Compliant |
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