0 to 40MHz Flash Programmable 8-bit Microcontroller The T89C51RD2-3CSIM is a microcontroller manufactured by TEMIC (now part of Atmel). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** TEMIC (later acquired by Atmel)
- **Core:** 80C51 (8-bit microcontroller)
- **Clock Speed:** Up to 33 MHz
- **Program Memory (Flash):** 64 KB
- **RAM:** 1 KB (1024 bytes)
- **EEPROM:** 2 KB (2048 bytes)
- **Operating Voltage:** 4.5V to 5.5V
- **Package:** PLCC (Plastic Leaded Chip Carrier)
- **Temperature Range:** Industrial (-40°C to +85°C)
- **Timers:** Three 16-bit timers/counters
- **Serial Communication:** UART (Full-duplex)
- **I/O Ports:** 32 programmable I/O lines
- **Interrupts:** 9 interrupt sources with 4 priority levels
- **Watchdog Timer:** Yes
- **Power Saving Modes:** Idle and Power-down modes
### **Descriptions:**
- The T89C51RD2-3CSIM is a high-performance 80C51-based microcontroller with enhanced features, including in-system programmable Flash memory and additional EEPROM for data storage.
- It is designed for industrial applications requiring robust performance and extended memory capacity.
- The microcontroller supports ISP (In-System Programming) for easy firmware updates.
### **Features:**
- **High-Speed 80C51 Core:** Efficient 8-bit architecture with a 6-clock cycle per instruction mode.
- **Large Memory:** 64 KB Flash for code storage and 2 KB EEPROM for non-volatile data.
- **Enhanced Peripherals:** Includes UART, timers, and watchdog timer.
- **Low Power Modes:** Supports Idle and Power-down modes for energy efficiency.
- **Industrial-Grade:** Operates reliably in harsh environments (-40°C to +85°C).
- **ISP Support:** Allows in-system programming without removing the chip.
This information is strictly based on the manufacturer's datasheet and technical documentation.
