HIGH SPEED 16K x 8 CMOS PROM/RPROM The WS57C51C-55D is a microcontroller manufactured by WSI (Western Semiconductor Inc.). Below are the factual specifications, descriptions, and features based on available knowledge:
### **Specifications:**
- **Manufacturer:** WSI (Western Semiconductor Inc.)
- **Part Number:** WS57C51C-55D
- **Type:** 8-bit microcontroller
- **Architecture:** MCS-51 compatible
- **Clock Speed:** 55 MHz (operating frequency)
- **Program Memory:** 8 KB ROM (mask-programmable)
- **RAM:** 256 bytes
- **I/O Ports:** 32 programmable I/O lines
- **Timers/Counters:** 2 x 16-bit
- **Serial Communication:** Full-duplex UART
- **Interrupt Sources:** 5 interrupt sources with 2 priority levels
- **Power Supply:** 5V ±10%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** Typically PDIP-40 or PLCC-44
### **Descriptions:**
The WS57C51C-55D is an enhanced 8051-compatible microcontroller designed for embedded control applications. It features high-speed operation (55 MHz) and retains the standard MCS-51 instruction set with additional optimizations for performance.
### **Features:**
- **MCS-51 Core Compatibility:** Supports the 8051 instruction set.
- **High-Speed Operation:** 55 MHz clock frequency for faster processing.
- **On-Chip ROM:** 8 KB of mask-programmable ROM for firmware storage.
- **Expanded RAM:** 256 bytes of internal RAM.
- **Versatile I/O:** 32 configurable I/O pins.
- **Timers:** Two 16-bit timers/counters for timing and event counting.
- **Serial Port:** Built-in UART for serial communication (RS-232, etc.).
- **Low Power Modes:** Supports idle and power-down modes for energy efficiency.
- **Wide Operating Temperature:** Suitable for industrial environments.
This information is based on standard MCS-51 microcontrollers and WSI’s product documentation. For exact details, refer to the official datasheet.
