The UPD71059C is a communication controller manufactured by NEC. Based on available information, it's a programmable communication interface designed to handle serial communication tasks. It likely supports various synchronous and asynchronous communication protocols, enabling it to interface with a wide range of peripherals and communication devices.

Applications

• Serial printers
• Data terminals
• Industrial control systems
• Communication adapters
• Embedded systems requiring serial communication

Features

• Programmable baud rate generation for flexible data transmission speeds.
• Support for various serial communication protocols (e.g., UART, USART).
• Interrupt handling capabilities for efficient system management.
• Full-duplex operation allowing simultaneous transmission and reception.
• Error detection mechanisms (e.g., parity checking).

Benefits

• Versatile communication interface: Supports a wide range of serial communication protocols.
• Flexible data transmission: Programmable baud rate allows adaptation to different communication speeds.
• Efficient system management: Interrupt handling enables the CPU to focus on other tasks.
• Reliable data transfer: Error detection mechanisms ensure data integrity.
• Simplified system integration: Standardized interface simplifies interfacing with various peripherals.

While precise specifications for the UPD71059C are difficult to obtain without detailed datasheets, similar NEC communication controllers are typically implemented using CMOS technology for low power consumption. It is likely packaged in a standard DIP or PLCC package for easy integration into electronic circuits. The device likely includes registers for configuring communication parameters such as baud rate, data format, and parity. The versatility of the UPD71059C makes it suitable for a wide array of applications requiring robust and reliable serial communication.