Infineon Technologies CYT4BFCCJDQ0BZSGS

Overview

CYT4BFCCJDQ0BZSGS from Infineon is a dual-core automotive microcontroller featuring two 350-MHz Arm® Cortex®-M7 CPUs and one 100-MHz Cortex®-M0+ CPU, 8384 KB code-flash, 1024 KB SRAM, and hardware security including AES-128/192/256, RSA/ECC, and SHA-256/512. It supports CAN FD (up to 8 Mbps), Gigabit Ethernet MAC, FlexRay v2.1, and ASIL-B functional safety for high-end body-control units.

For engineers reviewing the CYT4BFCCJDQ0BZSGS datasheet, CYT4BFCCJDQ0BZSGS pinout, CYT4BFCCJDQ0BZSGS application, or CYT4BFCCJDQ0BZSGS equivalent, key selection criteria include dual M7 core timing isolation, RWW flash update capability, integrated HSM with eSHE, 240 GPIO wake-up support, and IEEE-1588 PTP-compliant Ethernet timing.

Technical Context

The CYT4BFCCJDQ0BZSGS implements a heterogeneous multi-CPU architecture: primary real-time processing on dual lockstep-capable Cortex®-M7 cores with 16-KB I/D caches and TCM, plus a dedicated Cortex®-M0+ for peripheral offload and secure boot execution. Inter-processor communication uses hardware mailbox and shared memory with SMPU enforcement.

Its safety architecture includes SECDED ECC on all critical memories, MPUs per CPU, PPU for peripheral access control, MCWDT, CSV, and BOD/OVD/LVD monitors - all aligned to ISO 26262 ASIL-B requirements. Clock supervision covers IMO/ILO/ECO/WCO sources with PLL/FLL synthesis and failover switching.

Key Specifications

Pinout & Package

This device is offered in a 320-ball BGA package (17 mm × 17 mm, 0.8-mm ball pitch, 1.7-mm max height), optimized for automotive ECU thermal and routing density requirements.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive microcontroller applications.

Compared with S32K344 and RH850/U2A, CYT4BFCCJDQ0BZSGS uniquely integrates dual M7 performance, native RGMII Ethernet with IEEE-1588, and HSM-based secure boot - making it optimal for next-gen zonal architectures requiring consolidated compute, networking, and security.

Availability

CYT4BFCCJDQ0BZSGS is available at Aetrix Electronics and suitable for automotive body control modules, domain controller gateways, and advanced lighting ECUs requiring stable component supply, long lifecycle commitment, and ASIL-B compliance.

Supply support for CYT4BFCCJDQ0BZSGS 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 manufacturer specializing in power management, automotive ICs, and security solutions, with global manufacturing and R&D infrastructure.

The TRAVEO™ T2G product line targets automotive domain controllers and high-end ECUs, designed to consolidate real-time control, high-speed networking, and hardware-enforced security into a single scalable platform.

FAQ

What is the maximum operating frequency of the Cortex®-M7 cores in CYT4BFCCJDQ0BZSGS?

The dual Arm® Cortex®-M7 CPUs operate at up to 350 MHz each, with independent instruction and data caches (16 KB each), tightly coupled memories (16 KB ITCM + 16 KB DTCM), and single-cycle multiply units. This frequency is sustained under automotive temperature range (−40 °C to 125 °C) with appropriate voltage regulation and thermal design.

Does CYT4BFCCJDQ0BZSGS support IEEE-1588 Precision Time Protocol in hardware?

Yes - the dual Gigabit Ethernet MAC interfaces include dedicated hardware timestamping logic compliant with IEEE-1588-2008 and IEEE-1588-2019. Timestamps are captured at the physical layer boundary with sub-100 ns resolution, enabling synchronization accuracy better than ±250 ns in typical automotive network topologies.

How many CAN FD channels does CYT4BFCCJDQ0BZSGS support, and what is the maximum data rate?

CYT4BFCCJDQ0BZSGS supports up to 10 CAN FD channels, each compliant with ISO 11898-1:2015 and the Bosch CAN FD Specification v1.0. The controller supports data rates up to 8 Mbps in the data phase, limited only by external transceiver capability and physical layer topology - not by the MCU's internal timing.

Is external memory encryption supported, and how is it implemented?

Yes - the external memory interface (SPI/HYPERBUS™) supports on-the-fly AES-128 encryption and decryption using keys stored in the HSM's secure key store. Encryption is applied automatically during XIP fetches and DMA transfers, with no software overhead or exposure of plaintext outside the cryptographic engine.