The CDP1802BCE is an 8-bit CMOS microprocessor manufactured by Intersil Corporation. It's known for its low power consumption and unique architecture, making it suitable for various embedded systems and control applications. It was particularly popular in space applications due to its radiation hardness.

Applications

• Embedded systems
• Control systems
• Space applications (satellite systems, spacecraft)
• Industrial control
• Early personal computers and hobbyist projects
• Remote control systems

Features

• 8-bit CMOS microprocessor
• Low power consumption
• Static operation
• Single-supply operation
• On-chip DMA
• Built-in timers
• Simple instruction set

Benefits

• Extended battery life in portable devices due to low power consumption
• Simplified system design with single-supply operation
• Flexibility in clock speed with static operation
• Direct Memory Access (DMA) capability for efficient data transfer
• Suitable for harsh environments due to radiation hardness
• Easy to program due to simple instruction set

Additional Details

The CDP1802BCE utilizes a static CMOS design, which allows the clock frequency to be reduced to zero without losing data. This feature is useful for power-saving applications. It operates from a single power supply, simplifying system design. The on-chip DMA controller allows for efficient data transfer between memory and peripherals without requiring CPU intervention. The built-in timers can be used for various timing and control functions. The CDP1802’s architecture is register-based and uses a set of sixteen 16-bit registers. The instruction set is simple and easy to learn, making it suitable for hobbyists and students. The device's radiation hardness made it a popular choice for space applications where electronic components are exposed to high levels of radiation. Although now considered a legacy device, the CDP1802BCE remains of interest to vintage computing enthusiasts and is still used in some niche applications. Its robust design and reliable performance have made it a valuable component in various electronic systems over the years.