Infineon Technologies CY7C64215-56LTXCT

Overview

CY7C64215-56LTXCT from Infineon Technologies (formerly Cypress Semiconductor) is a full-speed USB 2.0 microcontroller based on the enCoRe™ III architecture, featuring an M8C Harvard-core processor running up to 24 MHz, 16 KB flash, 1 KB SRAM, and integrated USB PHY with no external crystal required. It supports 48-pin QFN packaging, operates from 3.15 V to 5.25 V, and delivers ±0.25% USB clock accuracy via self-tuned internal oscillator - used in HID peripherals like optical mice and POS terminal controllers.

For engineers reviewing the CY7C64215-56LTXCT datasheet, CY7C64215-56LTXCT pinout, CY7C64215-56LTXCT application, or CY7C64215-56LTXCT equivalent, key selection criteria include its USB endpoint configuration (4 unidirectional + 1 bidirectional), on-chip ADC resolution (up to 14-bit delta-sigma), programmable GPIO drive modes (25 mA sink, open-drain, pull-up/down), and industrial temperature support (–40 °C to +85 °C) requiring external clock oscillator.

Technical Context

The CY7C64215-56LTXCT implements a configurable mixed-signal SoC architecture with four digital enCoRe™ III blocks (supporting PWM, UART, SPI, I²C master, and CYFI™ radio interface) and six analog blocks enabling up to 14-bit incremental/delta-sigma ADCs and programmable threshold comparators. Its global interconnect fabric routes signals across 50 GPIOs to both digital and analog resources.

USB functionality is implemented with dedicated 256-byte buffer, five endpoints (four unidirectional, one bidirectional control), and internal 48-MHz clock derived from a self-calibrating 24-MHz IMO - achieving USB compliance (TID# 40000110) without external timing components under commercial voltage/temperature conditions.

Key Specifications

Pinout & Package

Package: 56-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed pad for improved power dissipation in HID and embedded USB applications.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar full-speed USB microcontroller applications.

Compared with CP2102N-A02-GQFN24 and STM32F072CBT6, the CY7C64215-56LTXCT uniquely combines USB 2.0 FS compliance, on-chip 14-bit delta-sigma ADC, and programmable analog/digital blocks in a single chip - reducing system BOM while enabling rapid HID customization without external signal conditioning.

Availability

CY7C64215-56LTXCT is available at Aetrix Electronics and suitable for optical mouse controllers, POS terminal interfaces, barcode scanner engines, and USB-to-serial bridges requiring stable component supply across industrial temperature ranges and long production lifecycles.

Supply support for CY7C64215-56LTXCT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive, industrial, and security solutions with broad portfolio integration and manufacturing scale.

The CY7C64215 belongs to the enCoRe™ III family - designed specifically for cost-sensitive, low-power USB human interface devices requiring mixed-signal integration, field-upgradable firmware, and minimal external components.

FAQ

Does CY7C64215-56LTXCT require an external crystal for USB operation?

No - the device uses a self-calibrating internal main oscillator (IMO) that achieves ±0.25% accuracy for USB 2.0 full-speed operation without external crystals under commercial conditions (0 °C to +70 °C). An external clock oscillator (XIN/XOUT) is required only for guaranteed USB timing stability across the industrial temperature range (–40 °C to +85 °C).

What development tools are supported for firmware programming?

Cypress PSoC® Designer IDE is the official, free development environment for CY7C64215-56LTXCT. It provides graphical component configuration, automatic code generation, full-speed in-circuit emulation, 128 KB trace memory, and ISSP-based programming via USB or dedicated pins - no third-party debuggers required.

Can the analog blocks perform simultaneous multi-channel ADC conversions?

Yes - the six analog blocks support concurrent operation: two independent delta-sigma ADCs (each up to 14-bit) can run simultaneously using the dual-section analog mux bus, enabling true dual-channel sensor acquisition (e.g., optical sensor + ambient light) with synchronized sampling and hardware decimation.

Is the 56-pin QFN package RoHS-compliant and lead-free?

Yes - CY7C64215-56LTXCT is manufactured in a RoHS-compliant, lead-free 56-pin QFN package (7 mm × 7 mm, 0.5 mm pitch) with NiPdAu terminal finish, qualified per JEDEC J-STD-020 moisture sensitivity level 3 and rated for reflow peak temperatures up to 260 °C.