8-BIT MICROCONTROLLER The W78E058B-40PL is a microcontroller manufactured by Winbond. Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Winbond
- **Part Number:** W78E058B-40PL
- **Core:** 8051-compatible
- **Clock Speed:** Up to 40 MHz
- **Operating Voltage:** 4.5V to 5.5V
- **Program Memory (Flash):** 32 KB
- **RAM:** 1 KB
- **EEPROM:** None (external EEPROM may be required)
- **I/O Ports:** 32 (4 x 8-bit ports)
- **Timers/Counters:** 3 (Timer 0, Timer 1, and Timer 2)
- **Serial Communication:** UART (Full-duplex)
- **Interrupt Sources:** 8
- **Watchdog Timer:** Yes
- **Power Saving Modes:** Idle and Power-down modes
- **Package:** PLCC-44 (Plastic Leaded Chip Carrier)
- **Operating Temperature:** Commercial (0°C to +70°C)
### **Descriptions:**
The W78E058B-40PL is an enhanced 8051-compatible microcontroller with a high-performance 8-bit core. It features 32 KB of Flash memory for program storage and 1 KB of RAM for data storage. The microcontroller supports a wide operating voltage range and includes multiple peripherals such as timers, UART, and watchdog timer for robust system control.
### **Features:**
- **8051-Compatible Architecture** – Fully compatible with the MCS-51 instruction set.
- **High-Speed Operation** – Up to 40 MHz clock frequency.
- **On-Chip Flash Memory** – 32 KB for program storage.
- **Expanded RAM** – 1 KB for data storage.
- **Multiple I/O Ports** – Four 8-bit bidirectional ports (P0, P1, P2, P3).
- **Enhanced Timers/Counters** – Three 16-bit timers (Timer 0, Timer 1, and Timer 2).
- **Serial Communication** – Built-in UART for serial data transfer.
- **Power Management** – Idle and Power-down modes for reduced power consumption.
- **Watchdog Timer** – Provides system reset in case of software failure.
- **Interrupt System** – Supports 8 interrupt sources with two priority levels.
- **PLCC-44 Package** – Suitable for surface-mount applications.
This information is based solely on the manufacturer's datasheet and technical documentation.
