CY7C63743-SXC

CY7C63743-SXC is a Cypress Semiconductor EZ-USB USB peripheral controller device. It is designed to implement USB devices by running user firmware on an integrated MCU and using an on‑chip USB transceiver.
Key points:
- USB role: USB device (peripheral) with firmware-controlled behavior.
- Core and USB: 8051‑class microcontroller core with an on‑chip USB transceiver for USB 2.0 full/low-speed operation.
- On‑chip resources: RAM, ROM/Flash space for firmware, endpoint logic and buffering, and general-purpose I/O.
- Use cases: custom USB devices (HID, diagnostics, data acquisition, or other custom USB functions) where a programmable USB endpoint set is needed.
- Packaging/variant: Suffix “-SXC” denotes a specific package/grade/temperature option; exact details are in the datasheet.
- Documentation: See the CY7C63743-SXC datasheet and Cypress EZ-USB development tools for device programming, hardware design guidelines, and example firmware.
If you have a specific workload or interface requirement, I can point to the exact datasheet sections.

Key features of CY7C63743-SXC (EZ-USB style USB controller with integrated MCU):
- USB 2.0 peripheral controller with an integrated 8051 microcontroller
- On-chip RAM for firmware and data; programmable firmware
- Hardware DMA engine and multiple USB endpoints/FIFO buffers for efficient data transfers
- Serial interfaces: SPI, I2C, and UART
- General-purpose I/O pins with interrupt capability
- USB device operation with firmware-driven descriptors and control
- Power management features including suspend/resume; supports bus/self-powered use
- Flexible clock options (external clock input available)
- Small SXC package suitable for compact PCBs
- Development tools and documentation support from Cypress
Note: For exact memory sizes, endpoint counts, and electrical specs, refer to the official datasheet.

208-pin LQFP package. It is a USB 2.0 controller (OHCI/EHCI compatible) with OTG capabilities, used as a USB host/peripheral controller (often in hub/device implementations).

- Manufacturer: Cypress Semiconductor Corporation (the CY7C63743-SXC).
- What kind of company: An American semiconductor company that designs and manufactures integrated circuits (memory, microcontrollers, USB controllers, programmable solutions). Cypress was acquired by Infineon Technologies in 2020.

CY7C63743-SXC is a USB 2.0 high‑speed hub/controller IC. Typical applications include:
- Adding USB connectivity to embedded systems (as a device or hub)
- USB peripherals for MCUs/SoCs (mass storage, printers, cameras, keyboards/mice)
- USB-based data acquisition and instrumentation
- Docking stations, USB switches, and device sharing
- Consumer electronics needing USB hubs or interfaces
- Industrial/medical/automotive equipment requiring reliable USB connectivity

CY7C63743-SXC is in a 64-pin LQFP (Low-Profile Quad Flat Pack) package.