HIGH SPEED 16K x 8 CMOS PROM/RPROM The WS57C51C-70D is a microcontroller manufactured by WSI (Western Semiconductor Inc.). Below are the factual specifications, descriptions, and features from the available knowledge base:
### **Specifications:**
1. **Manufacturer:** WSI (Western Semiconductor Inc.)
2. **Part Number:** WS57C51C-70D
3. **Architecture:** 8-bit microcontroller
4. **Core:** MCS-51 compatible
5. **Clock Speed:** Up to 12 MHz
6. **Operating Voltage:** 4.5V to 5.5V
7. **Program Memory (ROM):** 4KB (mask-programmable)
8. **RAM:** 128 bytes
9. **Timers:** Two 16-bit timers/counters
10. **I/O Ports:** Four 8-bit bidirectional ports (32 I/O lines total)
11. **Serial Communication:** UART (Full-duplex)
12. **Interrupts:** Five interrupt sources with two priority levels
13. **Package:** 40-pin DIP (Dual In-line Package)
14. **Operating Temperature Range:** Commercial (0°C to +70°C)
### **Descriptions:**
- The WS57C51C-70D is an MCS-51 compatible microcontroller designed for embedded control applications.
- It features a Harvard architecture with separate program and data memory spaces.
- The microcontroller includes built-in timers, serial communication, and multiple I/O ports for interfacing with peripherals.
- It is commonly used in industrial control, automation, and consumer electronics.
### **Features:**
- **MCS-51 Instruction Set Compatibility** – Supports standard 8051 instructions.
- **On-Chip Oscillator** – Requires only an external crystal or resonator.
- **Power-Saving Modes** – Includes idle and power-down modes for reduced power consumption.
- **Boolean Processor** – Supports bit-level operations for efficient control applications.
- **Expandable Memory** – Supports external program and data memory expansion.
- **Durable Packaging** – 40-pin DIP for easy prototyping and integration.
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application notes, refer to the official WSI datasheet.
