CY8C29466-24PXI: Infineon's High-Performance 8-Bit Microcontroller for Embedded Solutions

The CY8C29466-24PXI from Infineon Technologies stands as a testament to reliable 8-bit microcontroller design, offering an exceptional balance of performance, flexibility, and integration capabilities. Despite its obsolete status, this MCU remains widely used in legacy systems and new designs where proven reliability is critical. This in-depth guide covers everything engineers need to know about the CY8C29466-24PXI, from its technical specifications to real-world applications.

Detailed Technical Specifications

Core Architecture and Performance

• Core Processor: Advanced M8C architecture
• Data Bus: 8-bit with 24MHz clock speed
• Instruction Cycle: 4 clocks per instruction
• Performance: 6 MIPS at 24MHz

The M8C core delivers efficient processing for control-oriented applications, featuring a 4-stage pipeline that enables single-cycle execution for most instructions. The 24MHz operation frequency provides sufficient throughput for complex embedded tasks while maintaining low power consumption.

Comprehensive Memory Configuration

• Program Memory: 32KB Flash with 50,000 erase/write cycles
• SRAM: 2KB for data storage
• Bootloader: Included in Flash memory
• Memory Protection: Sector-based flash protection

The generous 32KB Flash memory supports over-the-air updates and complex firmware, while the 2KB SRAM handles dynamic data requirements. The memory protection features enhance system security in sensitive applications.

Advanced Analog Capabilities

• A/D Converter: 12-channel, 14-bit resolution
• D/A Converter: 4-channel, 9-bit resolution
• Analog Comparators: 4 programmable comparators
• Reference Voltage: Internal and external options

The high-resolution analog converters enable precise measurement and control of analog signals, making this MCU ideal for sensor interfaces, motor control, and instrumentation applications.

Digital Peripherals and I/O

• GPIO: 24 fully configurable pins
• Communication Interfaces: I C, SPI (up to 12MHz), UART
• Timers: 4x 8-bit and 2x 16-bit timers
• PWM: 8x 8-bit or 4x 16-bit PWM channels

Power Management Features

• Operating Voltage: 3.0V to 5.25V
• Power Modes: Active, Sleep, Low Power Sleep
• Current Consumption: 3mA active, 20 A sleep
• Power-On Reset: Adjustable threshold

Packaging and Environmental Specifications

• Package Type: 28-pin PDIP
• Dimensions: 36.32mm x 10.16mm
• Operating Temperature: -40 C to +85 C
• ESD Protection: >2kV HBM

Development Ecosystem

Infineon provides comprehensive development tools for the CY8C29466-24PXI including:

• PSoC Designer IDE
• Programmer/Debugger support
• Application notes and reference designs
• Hardware evaluation kits

Common Applications

• Industrial: PLCs, motor control, HMI
• Consumer: Appliances, power tools
• Automotive: Body electronics, sensors
• Medical: Portable devices, monitors

Why Choose CY8C29466-24PXI?

This microcontroller offers unique advantages including:

• Proven reliability in harsh environments
• Excellent analog performance
• Flexible digital peripherals
• Low power consumption
• Comprehensive development tools

For engineers needing a cost-effective, reliable 8-bit solution with excellent analog capabilities, the CY8C29466-24PXI remains an outstanding choice despite its obsolete status.