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HD68A09P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HD68A09PHIT147Yes

HD68A09P** is a microprocessor manufactured by **Hitachi (HIT)**.

The HD68A09P is a microprocessor manufactured by Hitachi (HIT).

Specifications:

  • Architecture: 8-bit
  • Clock Speed: 1 MHz
  • Instruction Set: Compatible with Motorola 6809
  • Operating Voltage: 5V
  • Package: 40-pin DIP (Dual In-line Package)
  • Technology: NMOS
  • Address Bus: 16-bit (64KB addressable memory)
  • Data Bus: 8-bit
  • Interrupts: Multiple interrupt levels (FIRQ, IRQ, NMI)
  • On-Chip Registers: Two 8-bit accumulators (A, B), 16-bit index registers (X, Y), stack pointers (S, U), and a program counter (PC)

Descriptions:

The HD68A09P is a high-performance 8-bit microprocessor designed for embedded systems and general-purpose computing. It is a second-generation enhancement of the Motorola 6809, offering improved efficiency and instruction set capabilities.

Features:

  • Enhanced 6809 Compatibility – Supports all 6809 instructions with additional optimizations.
  • Hardware Multiply Instruction – Faster multiplication compared to software-based solutions.
  • Flexible Addressing Modes – Supports direct, indexed, indirect, and relative addressing.
  • Low Power Consumption – Suitable for embedded applications.
  • Wide Operating Temperature Range – Reliable for industrial use.

This chip was commonly used in vintage computers, arcade machines, and industrial control systems.

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