0 to 40MHz Flash Programmable 8-bit Microcontroller The T89C51RD2-SLSCL is a microcontroller manufactured by TEMIC (now part of Atmel). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** TEMIC (later acquired by Atmel)
- **Core:** 80C51 (8-bit microcontroller)
- **Operating Frequency:** Up to 40 MHz
- **Flash Memory:** 64 KB (In-System Programmable)
- **RAM:** 1 KB
- **EEPROM:** 2 KB (for data storage)
- **Timers:** Three 16-bit timers/counters
- **Serial Communication:** UART, SPI, I²C
- **I/O Ports:** 32 programmable I/O lines
- **Interrupts:** 9 interrupt sources with 4 priority levels
- **Power Supply:** 4.5V to 5.5V
- **Package:** PLCC (Plastic Leaded Chip Carrier)
### **Descriptions:**
- The T89C51RD2-SLSCL is a high-performance CMOS derivative of the 80C51 microcontroller.
- It features enhanced memory options, including 64 KB of Flash and 2 KB of EEPROM for flexible data storage.
- Supports in-system programming (ISP) via UART.
- Designed for industrial and embedded applications requiring high-speed processing and reliable non-volatile memory.
### **Features:**
- **Extended Memory:** 64 KB Flash, 1 KB RAM, and 2 KB EEPROM.
- **High-Speed Operation:** Up to 40 MHz clock frequency.
- **Low Power Modes:** Idle and Power-down modes for energy efficiency.
- **Enhanced Peripherals:** Multiple serial interfaces (UART, SPI, I²C).
- **Robust Interrupt System:** 9 interrupt sources with configurable priorities.
- **Wide Operating Voltage:** 4.5V to 5.5V.
- **Industrial Temperature Range:** Suitable for harsh environments.
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics or application notes, refer to the official datasheet.
