Professional IC Distribution & Technical Solutions

The HD6445P4 is a microcontroller manufactured by Hitachi (now Renesas Electronics). Below are the factual specifications, descriptions, and features:

Manufacturer:

• Hitachi (now part of Renesas Electronics)

Specifications:

• Architecture: 8-bit
• CPU Core: Hitachi H8/500 series
• Clock Speed: Up to 10 MHz
• ROM (Program Memory): 16 KB (Mask ROM)
• RAM (Data Memory): 512 bytes
• I/O Ports:
• 4-bit I/O Ports: Multiple configurable ports
• 8-bit I/O Ports: Available for general-purpose use
• Timers:
• 8-bit Timer/Counter
• Watchdog Timer
• Interrupts: Multiple interrupt sources
• Serial Communication:
• UART (Asynchronous Serial Interface)
• Operating Voltage: 5V (typical)
• Package: DIP (Dual In-line Package), 42-pin

Descriptions:

• The HD6445P4 is an 8-bit microcontroller from Hitachi's H8/500 series, designed for embedded control applications.
• It features integrated ROM, RAM, timers, and serial communication, making it suitable for industrial and consumer electronics.
• The H8/500 core provides efficient processing for real-time control tasks.

Features:

• 8-bit H8/500 CPU core
• 16 KB Mask ROM for program storage
• 512 bytes of RAM for data handling
• Multiple I/O ports for interfacing with peripherals
• Built-in UART for serial communication
• On-chip timers for timing and event control
• Low-power operation modes
• Wide operating voltage range (compatible with 5V systems)

This microcontroller was commonly used in appliance control, automotive systems, and industrial automation during its production period.

*(Note: The HD6445P4 is an older microcontroller and may be obsolete or replaced by newer Renesas models.)*