CY7C63903-PVXC

Controllers Overview

The CY7C63903-PVXC is a low-speed USB peripheral controller belonging to the enCoRe II family. It integrates an 8-bit M8C CPU with Harvard architecture, operating at speeds up to 24 MHz. The device features up to 8 Kbytes of Flash memory including EEPROM emulation and 256 bytes of RAM. It supports one Low-Speed USB device address with three endpoints (one control, two data). Key hardware includes an internal oscillator, a 125-mA 3.3V voltage regulator, and up to 36 GPIO pins. The controller operates within a voltage range of 4.0V to 5.25VDC and functions in temperatures from 0°C to 70°C.

Controllers Feature Summary

• Integrated crystalless oscillator with support for external crystals or resonators
• Auto-configuration capability for PS/2 or USB modes without external switching components
• In-system re-programmability via D+ and D– pins
• High-current drive GPIOs with configurable sink capabilities

Controllers Applications

• PC HID devices such as optical mice and keyboards
• Gaming peripherals including joysticks and game pads
• General-purpose embedded systems like barcode scanners and POS terminals

Controllers Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm package type matches the 28-pin SSOP specification. Ensure firmware compatibility with existing PSoC Designer tools. Check for end-of-life status notifications prior to final design implementation.

Controllers Selection Notes

Select this model when designing low-speed USB peripherals requiring minimal external components. The integrated oscillator and regulator reduce bill of materials. Consider the 28-pin SSOP package for space-constrained layouts. Verify that the 8-bit CPU performance meets application processing requirements.

Controllers Part Context

This component is part of the enCoRe II USB microcontroller family, designed to simplify low-speed USB peripheral development. It succeeds earlier enCoRe models by adding enhanced I/O flexibility and improved power management features while maintaining backward compatibility with standard USB HID protocols.

Controllers Replacement Considerations

CY7C63923-XC offers similar functionality in a die form factor.