Infineon Technologies CY8C6246BZI-D04

Overview

CY8C6246BZI-D04 from Infineon is a dual-core Arm® Cortex®-M4F/M0+ PSoC™ 62 microcontroller with 1-MB flash, 288-KB SRAM, integrated SIMO DC-DC converter, CAPSENSE™, and hardware crypto accelerator. It operates from 1.7 V to 3.6 V, supports Deep Sleep at 7 µA with 64-KB SRAM retention, and targets secure, ultra-low-power IoT edge nodes requiring concurrent real-time control and wireless connectivity.

For engineers reviewing the CY8C6246BZI-D04 datasheet, CY8C6246BZI-D04 pinout, CY8C6246BZI-D04 application, or CY8C6246BZI-D04 equivalent, key selection criteria include dual-CPU power efficiency (22 µA/MHz @ 0.9 V M4), QSPI XIP with on-the-fly encryption, 32 TCPWM blocks for motor timing, and UDB-based programmable logic for protocol offload in resource-constrained embedded systems.

Technical Context

The device implements a tightly coupled dual-CPU subsystem where the Cortex-M4F handles compute-intensive tasks (e.g., sensor fusion, crypto) while the Cortex-M0+ manages low-latency I/O and peripheral orchestration via IPC and shared memory. Both cores operate at independent voltages (0.9 V or 1.1 V) with dedicated 8-KB flash caches and DMA controllers.

Its programmable analog/digital architecture integrates a 12-bit 1-Msps SAR ADC with 16-channel sequencer, two opamps, two low-power comparators active in Deep Sleep, twelve UDBs for Verilog or drag-and-drop logic, and Smart I/O for Boolean operations during system sleep-enabling hardware-accelerated signal conditioning and protocol bridging without CPU wake-up.

Key Specifications

Pinout & Package

CY8C6246BZI-D04 is housed in a 124-ball BGA package (9 mm × 9 mm × 1 mm, 0.8-mm pitch) with exposed thermal pad. Pin functions are defined per the Infineon CY8C62x6 pinout diagram (Rev. *Q, pages 31–36), supporting dual-voltage I/O banks (1.7–3.6 V), six overvoltage-tolerant pins, and dedicated debug/SWJ interface.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32WB55RGV6 and nRF52840 DK, CY8C6246BZI-D04 uniquely combines dual-voltage dual-core processing, programmable analog/digital fabric, and on-chip SIMO DC-DC-enabling lower system-level power, reduced BOM count, and hardware-defined signal paths in mixed-signal IoT endpoints.

Availability

CY8C6246BZI-D04 is available at Aetrix Electronics and suitable for smart home sensor hubs, industrial predictive maintenance nodes, medical wearable patches, and secure asset trackers requiring stable component supply across multi-year production cycles.

Supply support for CY8C6246BZI-D04 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 management, automotive MCUs, and security solutions, with annual revenue exceeding €14 billion and global manufacturing in Dresden, Villach, and Kulim.

CY8C6246BZI-D04 belongs to the PSoC™ 62 product line-designed specifically for secure, ultra-low-power IoT endpoints that demand concurrent real-time control, sensor fusion, and wireless connectivity without external PMICs or programmable logic ICs.

FAQ

What is the maximum operating frequency of the Cortex-M4F core in CY8C6246BZI-D04?

The Cortex-M4F core operates at up to 150 MHz, confirmed in the Infineon datasheet (Rev. *Q, Section 3.1.1). This frequency is achievable when the core voltage is set to 1.1 V and the PLL is configured to multiply the IMO or crystal oscillator source. At 0.9 V, the maximum frequency is reduced to maintain timing closure and power efficiency.

Does CY8C6246BZI-D04 support Execute-In-Place (XIP) from external flash?

Yes, it supports XIP via the QSPI/SMIF interface with hardware-accelerated on-the-fly AES-128 decryption. The 4-KB SMIF cache improves instruction fetch efficiency, and the interface supports single/dual/quad/dual-quad/octal modes-achieving up to 640 Mbps throughput when using octal DDR signaling.

How many GPIOs are available, and what drive capabilities do they offer?

CY8C6246BZI-D04 provides up to 100 programmable GPIOs, with 16 assigned to two Smart I/O ports. Each pin supports multiple drive modes (OD, PP, Hi-Z, resistive pull-up/down), configurable slew rate and output strength, and six pins are overvoltage-tolerant up to 5.5 V-enabling direct interfacing with legacy 5-V peripherals.

Is the CAPSENSE™ subsystem capable of liquid-tolerant operation?

Yes, CAPSENSE™ supports liquid-tolerant operation through mutual capacitance sensing and automatic hardware tuning (SmartSense). The subsystem dynamically adjusts scan parameters to reject false touches caused by water films, enabling reliable touch control on devices exposed to splashes or condensation-validated per Infineon's CAPSENSE™ design guidelines.