CY8C24894-24LTXI

Overview

The CY8C24894-24LTXI is an 8-bit microcontroller from the Infineon PSoC 1 family, featuring a 24 MHz M8C processor. It integrates 16 KB of Flash program memory and 1 KB of SRAM data storage. The device includes a full-speed USB interface compliant with USB 2.0, supporting four unidirectional endpoints and one bidirectional control endpoint with a dedicated 256-byte buffer. It operates within a voltage range of 3 V to 5.25 V and supports industrial temperatures from –40 °C to +85 °C.

Feature Summary

• Features a powerful Harvard-architecture M8C processor capable of speeds up to 24 MHz.
• Includes six rail-to-rail analog PSoC blocks providing ADCs, DACs, programmable gain amplifiers, and comparators.
• Integrates four digital PSoC blocks for configurable timers, counters, PWMs, UART, and SPI peripherals.
• Supports capacitive sensing applications (CSA) via complex peripheral combinations.

Applications

• Capacitive touch sensing controllers
• USB-enabled embedded systems
• Industrial control interfaces
• Consumer electronics requiring low-voltage operation

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches the required package type and temperature rating. Check for end-of-life notifications or obsolescence status prior to finalizing procurement plans to ensure long-term supply availability.

Selection Notes

Select this component when a design requires integrated USB connectivity alongside flexible analog and digital programmability. It is suitable for applications needing capacitive sensing capabilities without external sensors. Ensure the system voltage requirements align with the specified 3 V to 5.25 V operating range and that the GPIO count meets the pinout constraints.

Part Context

This part belongs to the CY8C24x94 series of PSoC Programmable System-on-Chips. These devices are designed to replace multiple traditional MCU-based components with a single chip. The architecture combines a fast CPU with configurable analog and digital blocks, allowing for customized peripheral configurations tailored to specific application needs.

Replacement Considerations

Consult official termination notifications for valid substitute part numbers. Verify compatibility regarding pinout, memory size, and peripheral availability before transitioning to alternative components in the same product family.

FAQ

Does the CY8C24894 require an external crystal for USB operation?

No, the device features an internal oscillator with 0.25% accuracy specifically calibrated for USB operation, eliminating the need for external crystals.

What is the maximum resolution of the analog-to-digital converters on this chip?

The analog system supports ADCs with up to 14-bit resolution, configurable as incremental, delta sigma, or successive approximation register types.