Infineon Technologies CY8C614AAZI-S2F14

Overview

CY8C614AAZI-S2F14 from Infineon is a dual-core Arm® Cortex®-M4F/M0+ PSOC™ 61 MCU with 2048 KB flash, 1024 KB SRAM, and integrated CAPSENSE™, QSPI/XIP, USB FS, and hardware cryptography. It operates from 1.7–3.6 V, achieves 7 µA Deep Sleep current with 64 KB SRAM retention, and targets secure, ultra-low-power IoT edge nodes requiring real-time sensor fusion and touch interface.

For engineers reviewing the CY8C614AAZI-S2F14 datasheet, CY8C614AAZI-S2F14 pinout, CY8C614AAZI-S2F14 application, or CY8C614AAZI-S2F14 equivalent, this device supports concurrent firmware isolation (M4 for app, M0+ for system), on-chip DC-DC conversion (<1 µA quiescent), and hardware-accelerated AES/SHA/TRNG - critical for battery-powered industrial sensors and smart home controllers.

Technical Context

The CY8C614AAZI-S2F14 implements a tightly coupled dual-CPU subsystem where the Cortex-M4F (150 MHz) executes application code with FPU and MPU, while the Cortex-M0+ (100 MHz) handles system-level tasks including boot, security, and power management - with no application access to M0+. Clocking includes dual PLLs, FLL, and fractional dividers enabling precise peripheral timing across 13 configurable SCBs and 32 TCPWMs.

Analog integration comprises a 12-bit 2-Msps SAR ADC with 16-channel sequencer and averaging, two Deep Sleep-capable comparators, and an on-die temperature sensor. Programmable digital resources include Smart I/O (16 pins), CAPSENSE™ CSD with SmartSense™ auto-tuning, and QSPI SMIF supporting encrypted XIP at up to 640 Mbps with 4-KB cache.

Key Specifications

Pinout & Package

Package: 100-ball Wafer-Level Chip Scale Package (WLCSP), 3.2 mm × 3.2 mm, 0.4 mm ball pitch, bottom-side thermal pad, JEDEC-standard footprint.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-core secure MCU applications.

Compared with CY8C614AAZI-S2F14, CY8C624ABZI-S2D44 trades USB and memory capacity for integrated BLE, while STM32WB55RGV6 offers lower cost and RF focus but lacks CAPSENSE™, LCD, and hardware crypto breadth - making CY8C614AAZI-S2F14 optimal for touch-enabled, wired-update-capable industrial controllers.

Availability

CY8C614AAZI-S2F14 is available at Aetrix Electronics and suitable for smart building controllers, industrial sensor gateways, portable medical devices, and secure access systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for CY8C614AAZI-S2F14 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 German semiconductor leader specializing in power systems, automotive MCUs, and secure embedded solutions, with R&D centers across Europe, Asia, and the Americas.

The PSOC™ 6 family was designed specifically for secure, ultra-low-power IoT endpoints - integrating programmable analog/digital fabric with Arm dual-core processing to eliminate discrete signal-conditioning and interface components.

FAQ

What is the maximum operating frequency of the Cortex-M4F core in CY8C614AAZI-S2F14?

The Cortex-M4F core operates at up to 150 MHz, verified in the official Infineon datasheet (002-30714 Rev. *F). This frequency is achievable under 1.1-V core supply with active cooling; at 0.9-V operation, max frequency is reduced to maintain timing closure and power efficiency.

Does CY8C614AAZI-S2F14 support execute-in-place (XIP) from external flash?

Yes - its Quad-SPI Serial Memory Interface (SMIF) supports XIP with on-the-fly AES-128 decryption and a dedicated 4-KB cache. This enables direct code execution from external quad-SPI flash without loading into internal RAM, reducing boot time and SRAM usage by up to 40% in firmware update scenarios.

How many GPIOs are available, and which support overvoltage tolerance?

CY8C614AAZI-S2F14 provides up to 102 programmable GPIOs. Six pins (P0[0], P0[1], P0[2], P0[3], P0[4], P0[5]) are overvoltage-tolerant (OVT) to 5.5 V, enabling direct interfacing with legacy 5-V peripherals without level shifters - confirmed in Section 6.2.4 of the datasheet.

Is the CAPSENSE™ subsystem capable of liquid-tolerant touch detection?

Yes - the integrated CAPSENSE™ sigma-delta (CSD) engine supports liquid tolerance through shield electrode configuration and SmartSense™ auto-tuning, achieving >60 dB SNR in wet conditions. This is validated in Infineon's CAPSENSE™ Design Guide (AN92239) and used in commercial smart appliances with sealed front panels.