Infineon Technologies CY8C4014PVI-422T

Overview

CY8C4014PVI-422T from Infineon (formerly Cypress Semiconductor) is a 32-bit programmable system-on-chip (PSoC® 4000 family) microcontroller featuring an Arm® Cortex™-M0 CPU running at 16 MHz, 16 KB flash with Read Accelerator, 2 KB SRAM, integrated CapSense® sigma-delta capacitive sensing, two current DACs (IDACs), one low-power comparator, and one 16-bit TCPWM block. It targets compact embedded control applications requiring touch interfaces, low-power operation, and analog signal conditioning - such as smart home sensors and industrial HMI panels.

For engineers reviewing the CY8C4014PVI-422T datasheet, CY8C4014PVI-422T pinout, CY8C4014PVI-422T application, or CY8C4014PVI-422T equivalent, key selection criteria include its 20 GPIO count, Deep Sleep wake-up on I²C address match, SmartSense™ auto-tuning for 5–45 pF sensor range, 1.71–5.5 V supply range, and SWD debug interface compatibility with industry-standard tools.

Technical Context

The device implements a tightly coupled MCU subsystem with Arm Cortex-M0 core, SYSTICK timer, NVIC with eight interrupts, and Wakeup Interrupt Controller (WIC) enabling sub-35 µs wake-up from Deep Sleep. Its analog subsystem integrates a 1.2-V reference-based comparator and IDACs supporting both general-purpose analog output and CapSense excitation.

Digital resources include one multi-mode TCPWM block (center-aligned, edge, pseudo-random PWM), one I²C serial communication block with Deep Sleep address-matching capability, and programmable GPIO with configurable drive strength, slew rate, and CapSense-capable pins across Ports 0–2.

Key Specifications

Pinout & Package

Package: 28-pin SSOP (Small Outline Integrated Circuit, 300 mil width), JEDEC MS-012AC compliant, body size 9.9 mm × 3.9 mm, 0.635 mm pitch.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar programmable mixed-signal microcontroller applications.

Compared with CY8C4014LQI-422T, the PVI-422T offers external reset and more GPIOs in SSOP; versus STM32F030F4P6, it delivers turnkey CapSense with hardware auto-tuning but trades off raw CPU speed and SRAM size - making it optimal for touch-centric, cost-sensitive embedded designs.

Availability

CY8C4014PVI-422T is available at Aetrix Electronics and suitable for smart appliance interfaces, industrial sensor nodes, medical patient monitors, and home automation wall switches requiring stable component supply and long-term manufacturability.

Supply support for CY8C4014PVI-422T 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 acquired Cypress Semiconductor in 2020 and now develops, manufactures, and supports the PSoC® portfolio for programmable embedded systems.

The PSoC 4000 product line targets cost-sensitive, space-constrained applications needing integrated analog, capacitive sensing, and low-power MCU functionality - especially in consumer, industrial, and medical HMI designs.

FAQ

What is the maximum operating frequency of the Arm Cortex-M0 core in CY8C4014PVI-422T?

The CY8C4014PVI-422T operates its Arm Cortex-M0 CPU at a maximum frequency of 16 MHz. This is achieved using the internal main oscillator (IMO) trimmed to ±2% accuracy at 24 MHz, then divided by 1.5 via clock dividers configured in PSoC Creator. The 16 MHz limit ensures zero wait-state flash access and stable analog peripheral timing.

Does CY8C4014PVI-422T support hardware-based capacitive touch sensing without external components?

Yes. The device integrates Cypress CapSense Sigma-Delta (CSD) hardware with SmartSense™ auto-tuning, enabling robust touch button/slider implementation using only PCB traces as sensors. No external RC networks, op-amps, or dedicated touch ICs are required - the IDACs, comparator, and CSD engine are fully on-die and configurable via PSoC Creator.

Can CY8C4014PVI-422T wake from Deep Sleep using I²C communication?

Yes. Its I²C block supports address matching while in Deep Sleep mode, drawing less than 1 µA. When the configured 7-bit slave address is detected on the bus, the device wakes the CPU within 35 µs. This enables ultra-low-power sensor hub or remote control receiver operation without continuous polling.

Is SWD debug supported on CY8C4014PVI-422T, and what tools are compatible?

Yes. The device implements a full Serial Wire Debug (SWD) interface using SWDIO and SWCLK pins. It is compatible with MiniProg3, KitProg2/3, and third-party debug probes from Segger (J-Link), STMicroelectronics (ST-Link), and ARM-compatible IDEs including PSoC Creator, Keil MDK, and IAR Embedded Workbench.