The TMP8279P-5 is a programmable keyboard and display controller designed by Toshiba. It serves as an interface between a microprocessor and a keyboard and display system. This controller is capable of handling a variety of keyboard and display configurations, making it suitable for a wide range of embedded systems.

Applications

• Industrial control panels
• Point-of-sale (POS) terminals
• Instrumentation control
• Computer keyboards
• LED displays
• Gaming consoles

Features

• Programmable keyboard interface: Supports various keyboard configurations and scanning modes.
• Programmable display interface: Supports various display types, including LED and LCD.
• Scan counter: Provides timing signals for keyboard and display scanning.
• FIFO buffer: Stores keyboard input for later retrieval by the microprocessor.
• Interrupt handling: Generates interrupts to signal keyboard input or other events.
• Multiple display modes: Supports different display formats and character sizes.
• Single 5V power supply
• Package: DIP-40 (Dual In-Line Package)

Benefits

• Simplified system design: Integrates keyboard and display control functions into a single chip.
• Reduced component count: Minimizes the number of external components required.
• Flexible configuration: Supports a wide range of keyboard and display configurations.
• Improved system performance: Offloads keyboard and display processing from the microprocessor.
• Cost-effective: Provides a cost-effective solution for keyboard and display control.

Additional Details

The TMP8279P-5 can interface with up to 64 keys and 16 display digits. It includes a built-in FIFO buffer to store keyboard input. The controller can be programmed to operate in various scanning modes and display formats. It operates from a single 5V power supply and is available in a 40-pin DIP package. The TMP8279P-5 is a versatile and reliable solution for keyboard and display control in a variety of embedded systems.