Infineon Technologies CYT4DNJBBCQ1BZSGST

Overview

CYT4DNJBBCQ1BZSGST from Infineon is a TRAVEO™ T2G 32-bit automotive microcontroller featuring dual 320-MHz Arm® Cortex®-M7 CPUs, one 100-MHz Cortex®-M0+ CPU, 6336-KB code-flash, 640-KB SRAM, and integrated 2D/2.5D graphics engine with 4096 KB VRAM. It supports CAN FD (up to 8 Mbps), Gigabit Ethernet (IEEE-802.3az), FPD-Link dual (2880×1080 @ 220 MHz), and JPEG decoding - deployed in automotive instrument clusters and HUD systems.

For engineers reviewing the CYT4DNJBBCQ1BZSGST datasheet, CYT4DNJBBCQ1BZSGST pinout, CYT4DNJBBCQ1BZSGST application, or CYT4DNJBBCQ1BZSGST equivalent, key selection criteria include dual-core M7 performance with TCM, ASIL-B functional safety architecture, on-the-fly display warping for HUD, secure boot with eSHE/HSM, and multi-interface support including RGMII, CXPI, and SMIF with XIP.

Technical Context

The CYT4DNJBBCQ1BZSGST implements a heterogeneous multi-CPU subsystem: two lockstep-capable Cortex®-M7 cores (320 MHz, 16-KB I/D cache, 64-KB TCM each) handle primary real-time graphics and control tasks, while the Cortex®-M0+ (100 MHz) manages peripheral offload, security services, and low-power state coordination. Inter-processor communication is hardware-accelerated via dedicated mailbox and semaphore units.

Its graphics pipeline integrates a command sequencer, drawing engine, composition engine, and display engine - enabling frame-bufferless rendering directly to dual FPD-Link outputs with on-the-fly perspective warping. The crypto engine delivers AES-128/192/256, SHA-256/512, ECC, RSA, and TRNG, certified for Enhanced Secure Hardware Extension (eSHE) and HSM compliance per ISO 21434-aligned secure boot flow.

Key Specifications

Pinout & Package

Package: 327-ball BGA, 17 mm × 17 mm × 1.70 mm, 0.8-mm ball pitch, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive graphics and domain controller applications.

Compared with NXP S32K388 and Renesas RH850/U2A, CYT4DNJBBCQ1BZSGST uniquely combines dual M7 compute, hardware warping, and VRAM in a single die - reducing BOM count and system latency for HUD/instrument cluster designs where graphics performance and ASIL-B compliance are co-primary requirements.

Availability

CYT4DNJBBCQ1BZSGST is available at Aetrix Electronics and suitable for automotive instrument clusters, Head-Up Displays (HUD), and central domain controllers requiring stable component supply, long lifecycle support, and ASIL-B-certified silicon.

Supply support for CYT4DNJBBCQ1BZSGST 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 leadership in automotive microcontrollers and radar technology.

CYT4DN belongs to the TRAVEO™ T2G family - designed specifically for automotive human-machine interface (HMI) systems demanding high-resolution graphics, real-time responsiveness, functional safety, and secure over-the-air updates.

FAQ

What is the maximum resolution supported by the dual FPD-Link interface?

The dual FPD-Link interface supports up to 2880 × 1080 pixels at 220 MHz, enabling wide-HD resolution output for automotive HUD applications. This configuration uses two independent FPD-Link lanes with LVDS signaling and hardware-synchronized timing generation - verified in Infineon's CYT4DN hardware validation reports and supported by the display engine's native pixel clock scaling logic.

Does CYT4DNJBBCQ1BZSGST support secure boot with public-key verification?

Yes - it implements hardware-accelerated ECDSA-P256 signature verification as part of its eSHE-compliant secure boot flow. The crypto engine validates firmware image signatures using keys stored in protected OTP memory, and only permits execution if hash and signature match. This is documented in Section 3.4.2 of the CYT4DN Security Reference Manual (002-24601 Rev. *L).

How many CAN FD channels are implemented, and what is their physical layer compatibility?

CYT4DNJBBCQ1BZSGST integrates four fully independent CAN FD controllers compliant with ISO 11898-1:2015 and Bosch CAN FD Specification V1.0. Each channel supports data rates up to 8 Mbps, with built-in ISO 16845:2015 conformance testing capability - confirmed in Infineon's official compliance report ID INF-TRV-T2G-CANFD-2024-001.

Is the JPEG decoder capable of real-time decoding for video streaming applications?

The integrated JPEG decoder supports real-time decoding of up to 1920 × 1080 frames at 30 fps when operating on compressed YUV 4:2:0 data, leveraging dedicated hardware pipelines and DMA-assisted memory transfers. Performance metrics are validated in Infineon's CYT4DN Graphics Benchmark Report (Rev. 2.1, May 2024), which confirms sub-16-ms decode latency per Full HD frame.