CY7C63743-SXC

Application Specific Microcontrollers Overview

The CY7C63743-SXC is an 8-bit RISC microcontroller from the enCoRe™ USB family, designed as a low-speed USB and PS/2 peripheral controller. It features an M8B core with up to 12 MHz internal CPU clock and supports 8 Kbytes of OTP EPROM alongside 256 bytes of RAM. The device integrates a crystalless oscillator, USB transceiver, and configurable GPIO ports. Operating within a 4.0V to 5.5V supply range, it supports one USB device address and three data endpoints while conforming to USB 2.0 and HID 1.1 specifications.

Application Specific Microcontrollers Feature Summary

• Integrated crystalless oscillator eliminating external resonator requirements
• Auto-configuring interface supporting both USB and PS/2 modes without external switching components
• Up to 16 versatile GPIO pins with high current sink capability (50 mA/pin)
• Built-in SPI serial communication block supporting master or slave operation at 2 Mbit/s

Application Specific Microcontrollers Applications

• USB and PS/2 mice
• Gamepads and joysticks
• Wireless applications utilizing capture timers for RF input interfacing

Application Specific Microcontrollers Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package integrity upon receipt, as moisture sensitivity requires proper handling. Check manufacturing date codes against project timelines to ensure firmware compatibility and storage stability standards are met before integration into production systems.

Application Specific Microcontrollers Selection Notes

Select this model when designing devices requiring dual-mode USB and PS/2 connectivity with minimal external component count. Ensure the application fits within the 8 Kbyte program memory limit and utilizes the available 16 GPIO pins. Verify that the operating voltage and temperature ranges align with the target system environment constraints.

Application Specific Microcontrollers Part Context

This component belongs to the CY7C637xx series, which includes variants like the CY7C63722 and CY7C63723. These parts share the same M8B core architecture and functional capabilities but differ in pin counts and package options. The CY7C63743 specifically offers a 24-pin configuration to accommodate additional I/O requirements compared to the 18-pin versions.

Application Specific Microcontrollers Replacement Considerations

Direct substitutes include other members of the CY7C637xx family such as the CY7C63723, provided pin compatibility and memory requirements are assessed. Cross-referencing datasheets is necessary to confirm equivalent electrical characteristics and software compatibility for seamless migration.