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The NEC D8039HLC is a microcontroller from NEC Electronics (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available manufacturer data:

Manufacturer Specifications:

• Manufacturer: NEC Electronics (now Renesas Electronics)
• Part Number: D8039HLC
• Type: 8-bit Microcontroller
• Architecture: MCS-48 Family (Intel 8039-compatible)
• CPU Core: 8-bit, 8048-compatible
• Clock Speed: Up to 11 MHz (varies by model)
• ROM: None (external ROM required)
• RAM: 128 bytes (on-chip)
• I/O Ports: 27 programmable I/O lines
• Timers/Counters: 8-bit timer/counter
• Interrupts: Single-level interrupt system
• Operating Voltage: 5V ±10%
• Package: 40-pin DIP (Dual In-line Package)

Descriptions:

• The D8039HLC is a ROM-less variant of the 8039 microcontroller, requiring external program memory.
• It is part of the MCS-48 family, designed for embedded control applications.
• Features an 8-bit CPU, on-chip RAM, and basic I/O capabilities.

Key Features:

• Compatibility: Fully compatible with Intel’s 8039 architecture.
• Expandable Memory: Supports external ROM/EPROM for program storage.
• On-Chip Peripherals: Includes an 8-bit timer/counter and basic interrupt handling.
• Low Power Consumption: CMOS version available (e.g., 80C39).
• Industrial Applications: Used in automation, consumer electronics, and simple control systems.

For exact performance and electrical characteristics, refer to the original NEC datasheet or Renesas documentation.