Infineon Technologies CYT2CL7BAAQ0AZSGS

Overview

CYT2CL7BAAQ0AZSGS from Infineon is a dual-core automotive microcontroller featuring an Arm® Cortex®-M4F CPU (160 MHz max) and Arm® Cortex®-M0+ CPU (100 MHz max), integrated CAN FD (up to 8 Mbps), LIN, CXPI, LCD controller, and hardware crypto engine supporting AES-128/192/256, RSA/ECC, SHA-256/512, and TRNG - deployed in entry-level automotive instrument clusters.

For engineers reviewing the CYT2CL7BAAQ0AZSGS datasheet, CYT2CL7BAAQ0AZSGS pinout, CYT2CL7BAAQ0AZSGS application, or CYT2CL7BAAQ0AZSGS equivalent, this MCU delivers ASIL-B functional safety, RWW flash (4160 KB code + 128 KB work), 512 KB SRAM with retention control, and multi-power-mode operation (2.7–5.5 V) for cluster, body control, and gateway designs requiring secure OTA updates and low-latency peripheral offload.

Technical Context

The device implements a tightly coupled dual-CPU architecture: the M4F handles primary application execution with FPU and MPU, while the M0+ manages security services (secure boot, crypto acceleration) and peripheral arbitration via hardware inter-processor communication. Safety is enforced by SMPU, PPU, SECDED ECC on SRAM/flash, and redundant watchdogs (MCWDT, WDT).

Clocking supports five sources (IMO, ILO, ECO, WCO, PLL/FLL), enabling dynamic frequency scaling across power modes. The LCD controller drives up to 128 segments (4 COM × 32 SEG) in ACTIVE/SLEEP/DeepSleep using Type A/B waveforms and digital contrast control - critical for always-on cluster displays with minimal power draw.

Key Specifications

Pinout & Package

Package: 144-pin LQFP (20 × 20 × 1.7 mm, 0.5-mm pitch). Pinout validated per Infineon datasheet Rev. *J, Section 9 (Pin assignment) and Section 11 (Package pin list and alternate functions).

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32K344WAT0VLQY and TC377TP128F200NACXUMA1, CYT2CL7BAAQ0AZSGS uniquely combines dual-CPU security partitioning, integrated LCD controller with low-power drive modes, and CAN FD + CXPI + LIN in one package - making it optimal for cost-sensitive, space-constrained automotive cluster and gateway applications requiring certified ASIL-B operation and secure FOTA.

Availability

CYT2CL7BAAQ0AZSGS is available at Aetrix Electronics and suitable for automotive instrument clusters, body control modules, and gateway ECUs requiring stable component supply, long lifecycle support, and ASIL-B functional safety compliance.

Supply support for CYT2CL7BAAQ0AZSGS 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 R&D centers and ISO/TS 16949-certified manufacturing.

CYT2CL belongs to the TRAVEO™ T2G family - designed specifically for automotive human-machine interface (HMI) applications including digital clusters, center displays, and smart lighting controllers requiring integrated graphics, safety, and secure connectivity.

FAQ

What power modes does CYT2CL7BAAQ0AZSGS support, and how do they impact wakeup latency?

CYT2CL7BAAQ0AZSGS supports five power modes: Active, Sleep, Low-power Sleep, DeepSleep, and Hibernate. Wakeup latency ranges from 1 µs (from Sleep via GPIO) to 100 µs (from Hibernate via dedicated wakeup pins). Each mode disables specific clocks and peripherals - e.g., DeepSleep retains RTC and EVTGEN timers while powering down CPUs and most SRAM banks.

Does CYT2CL7BAAQ0AZSGS include hardware support for secure boot, and what cryptographic algorithms are accelerated?

Yes - the integrated HSM implements secure boot using digital signature verification (ECDSA or RSA-2048) and fast boot with AES-128 decryption. Accelerated algorithms include AES-128/192/256, 3DES, SHA-256/512, ECC (NIST P-256/P-384), RSA-2048/3072, and TRNG with NIST SP800-90B compliance - all accessible via dedicated crypto API without software library overhead.

How many CAN FD channels are implemented, and what is their maximum data rate in practice?

CYT2CL7BAAQ0AZSGS integrates four fully independent CAN FD controllers. Each supports up to 8 Mbps nominal data rate per ISO 11898-1:2015, but actual achievable rate depends on physical layer design - e.g., 5 Mbps is typical with standard automotive twisted-pair cabling and ISO 11898-2 transceivers at 20 m bus length.

Is the LCD controller capable of driving segment-based displays without external bias generation?

Yes - the LCD controller provides on-chip voltage bias generation for both Type A (standard) and Type B (low-power) waveforms. It supports up to 4 commons and 32 segments directly, eliminating need for external bias ICs or charge pumps, and enables full-segment control with digital contrast adjustment in ACTIVE, SLEEP, and DeepSleep modes.