CMOS single-chip 8-bit microcontrollers The **SC80C31BAPN40** is a microcontroller manufactured by **PHILIPS** (now NXP Semiconductors). Below are its key specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** PHILIPS (NXP Semiconductors)
- **Core:** 80C51 (MCS-51 architecture)
- **Clock Speed:** Up to **40 MHz**
- **Operating Voltage:** **4.5V to 5.5V**
- **Program Memory (ROM):** **None (ROM-less version)**
- **RAM:** **128 bytes**
- **I/O Pins:** **32 (Four 8-bit ports)**
- **Timers:** **Two 16-bit timers/counters**
- **UART:** **Full-duplex serial port**
- **Interrupts:** **5 interrupt sources (2 external, 2 timer, 1 serial)**
- **Power Consumption:** Low-power CMOS technology
- **Package:** **PLCC44 (Plastic Leaded Chip Carrier, 44-pin)**
### **Descriptions:**
- The **SC80C31BAPN40** is a high-performance, **ROM-less** variant of the **80C51** microcontroller family.
- It requires external **program memory (EPROM/Flash)** for operation.
- Designed for embedded applications requiring **high-speed processing** and **low power consumption**.
- Fully compatible with the **MCS-51 instruction set**.
### **Features:**
- **40 MHz maximum clock frequency** for high-speed execution.
- **128 bytes of on-chip RAM** for data storage.
- **Two 16-bit timers** for precise timing operations.
- **Full-duplex UART** for serial communication.
- **Boolean processor** for efficient bit manipulation.
- **Low EMI (Electromagnetic Interference)** design.
- **Wide operating voltage range (4.5V–5.5V)**.
- **Industrial temperature range support**.
This information is strictly based on the manufacturer's datasheet and technical documentation.
