Infineon Technologies CYT4DNJBJCQ1BZSGST

Overview

CYT4DNJBJCQ1BZSGST 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 for HUD and instrument cluster applications.

For engineers reviewing the CYT4DNJBJCQ1BZSGST datasheet, CYT4DNJBJCQ1BZSGST pinout, CYT4DNJBJCQ1BZSGST application, or CYT4DNJBJCQ1BZSGST equivalent, key selection criteria include dual-core deterministic real-time execution, ASIL-B functional safety compliance, on-the-fly display warping, secure boot with eSHE/HSM, and multi-display video output capability with MIPI CSI-2 capture support.

Technical Context

The CYT4DNJBJCQ1BZSGST implements a heterogeneous multi-CPU architecture: two lockstep-capable Cortex®-M7 cores handle primary application and graphics rendering tasks, while the Cortex®-M0+ manages peripheral control, security services, and low-power state coordination. Hardware inter-processor communication enables deterministic message passing without software overhead.

Its graphics subsystem integrates a command sequencer, drawing engine, composition engine, and display timing generator - all operating without frame buffers via direct video feed-through. The crypto engine supports AES-128/192/256, SHA-256/512, RSA/ECC, and GCM mode, with SECDED ECC applied to flash, SRAM, and TCM for ASIL-B compliance.

Key Specifications

Pinout & Package

Package: 327-ball BGA, 17 mm × 17 mm × 1.70 mm, 0.8-mm pitch, RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32K344 and RH850/U2A, CYT4DNJBJCQ1BZSGST uniquely integrates dual M7 cores, on-die 2D/2.5D graphics, MIPI CSI-2 capture, and dual FPD-Link output - making it the only option among the three capable of standalone HUD + cluster display implementation without external GPU or bridge ICs.

Availability

CYT4DNJBJCQ1BZSGST is available at Aetrix Electronics and suitable for automotive instrument clusters, head-up displays, multi-camera ADAS gateways, and AVB-enabled infotainment nodes requiring stable component supply across extended production lifecycles.

Supply support for CYT4DNJBJCQ1BZSGST 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 AG is a German semiconductor manufacturer specializing in power management, automotive ICs, and security solutions, with global manufacturing and R&D centers.

The TRAVEO™ T2G product line targets next-generation automotive human-machine interfaces, integrating high-performance compute, graphics, safety, and networking in a single chip for digital cockpits and ADAS visualization.

FAQ

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

The FPD-Link dual interface supports up to 2880 × 1080 pixels at 220 MHz lane rate, enabling wide-HD output for head-up displays or dual independent displays such as instrument cluster + center console. This resolution is achieved using four differential pairs per channel with embedded clock recovery and automatic skew compensation.

Does CYT4DNJBJCQ1BZSGST support secure over-the-air (OTA) firmware updates?

Yes - it supports fast secure boot with digital signature verification using ECC-P384 and SHA-256, completing authentication in under 50 ms. Combined with Read-While-Write flash and dual-bank operation, this enables atomic, rollback-safe OTA updates without interrupting real-time operation.

How many MIPI CSI-2 lanes does the device support, and what is the maximum capture resolution?

The device supports two- or four-lane MIPI CSI-2 configurations. At four lanes, it captures up to 2880 × 1080 @ 220 MHz (total bandwidth ~1.9 Gbps), sufficient for high-resolution surround-view cameras. Lane count and data rate are configured per interface instance via register settings in the image sensor interface block.

Is the graphics subsystem capable of rendering without external frame buffers?

Yes - the graphics engine supports on-the-fly rendering directly to display interfaces using command sequencing and drawing acceleration, eliminating need for external frame buffers. This reduces system latency, PCB area, and power consumption while enabling real-time HUD warping and layer composition.