CY8C3245AXA-148

Overview

The CY8C3245AXA-148 is an 8-bit microcontroller from Infineon Technologies, part of the PSOC family. It utilizes an 8051 core with a maximum clock frequency of 50 MHz. The device features 32 kB of Flash program memory and 8 kB of SRAM data RAM. It is housed in a TQFP-100 package and supports a supply voltage range of 1.71 V to 5.5 V. The component includes interfaces such as I2C, SPI, UART, and USB, along with four timer/counters. It operates within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates an 8051 processor core for embedded control applications
• Provides programmable system-on-chip capabilities via PSOC architecture
• Supports multiple communication protocols including USB, I2C, SPI, and UART

Applications

• General-purpose embedded control systems
• Industrial automation controllers
• Consumer electronics devices requiring USB connectivity

Procurement Notes

Verify current availability status as this specific variant may be discontinued or subject to limited production runs. Confirm package integrity and moisture sensitivity level handling requirements upon receipt. Ensure compatibility with existing design-in tools and development software versions before finalizing procurement decisions.

Selection Notes

Select this component when an 8-bit 8051 architecture with significant I/O count is required. The TQFP-100 package offers extensive pin access for complex peripheral integration. Consider the 8 kB SRAM size relative to application stack needs. Verify that the 50 MHz operating speed meets real-time processing demands for the target system.

Part Context

This MCU belongs to the PSoC 3 series, designed for highly configurable analog and digital blocks. It bridges the gap between standard 8-bit MCUs and more complex 32-bit solutions. The family emphasizes low power consumption and flexible interconnectivity for diverse IoT and industrial use cases.

Replacement Considerations

Check for direct pin-compatible upgrades within the same PSOC 3 family. Evaluate newer generations like PSOC 4 or 5 if enhanced performance or updated toolchains are necessary. Ensure substitute parts maintain compatible voltage ranges and interface counts.