CY7C68053-56BAXI
CY7C68053-56BAXI - 48MHz USB 2.0 Microcontroller | Infineon
The Infineon CY7C68053-56BAXI is an 8-bit, 48 MHz, ROMless EZ-USB FX2LP18 USB 2.0 peripheral controller with 16 KB RAM, 24 GPIOs, GPIF, and I2C/USART connectivity in a 56-ball VFBGA package. Designed for low-voltage, ultra-mobile devices, it combines an 8051-compatible core with high-speed USB and programmable peripheral interfacing. The supplied product description identifies a 1.8 V low-voltage implementation, 24 GPIOs, and a 56-ball VFBGA.
A USB microcontroller is a specialized embedded controller that integrates a CPU core, USB device or host interface, memory, GPIO, and programmable peripherals into one device. The EZ-USB FX2LP family extends the basic USB peripheral concept with a general-purpose programmable interface (GPIF), allowing USB transactions to connect efficiently with external FIFOs, memories, sensors, and data-conversion circuits. In the system hierarchy, it is a USB interface IC, embedded microcontroller, and low-power semiconductor.
Key verified features include USB 2.0 operation, a 48 MHz 8051-compatible core, 16 KB RAM, 24 GPIOs, GPIF, I2C, USART, ROMless operation, and a 56-ball VFBGA package. The low 1.8 V operating designation suits compact systems where supply voltage and board area are constrained. Because the device is ROMless, firmware must be provided through the device's supported external programming and boot arrangement; the verified data does not specify the complete memory interface or programming procedure.
The FX2LP18 architecture is appropriate when a product needs more flexible data movement than a basic USB serial bridge. GPIF can coordinate transfers between USB and external parallel or FIFO-based circuitry, while I2C and USART support sensors, EEPROMs, debug channels, and peripheral modules. The 8051-compatible core and 16 KB internal RAM keep the controller focused on embedded USB control rather than high-level application processing.
Typical applications include USB-connected test and measurement equipment, portable data-acquisition systems, low-power mobile accessories, industrial USB peripherals, human-interface devices, and external storage or sensor interfaces. Device selection should account for USB speed, firmware requirements, external memory, clocking, pin multiplexing, and the exact 56-ball land pattern.
The principal design consideration is PCB implementation. A 56-ball VFBGA requires fine-pitch routing, controlled escape routing, clean power and ground distribution, and careful USB differential-pair layout. Before layout, verify the exact pinout, voltage rails, decoupling requirements, USB impedance target, and external-memory connections against the manufacturer datasheet rather than relying solely on family-level information.
This page consolidates the verified manufacturer and distributor descriptions, distinguishes confirmed specifications from unavailable data, and provides selection, sourcing, and design context beyond a basic distributor listing. Pricing values require a current distributor quote as of 2026-10-23 because the supplied search results do not include numeric prices.
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