Infineon Technologies XMC65IKSCQ040XAAXUMA1

Overview

XMC65IKSCQ040XAAXUMA1 from Infineon Technologies is a 32-bit ARM Cortex-M4F-based microcontroller with 4 MB flash, 512 KB SRAM, and integrated Ethernet MAC, CAN FD, and USB 2.0 OTG interfaces. It targets industrial real-time control applications requiring deterministic timing, secure boot, and dual-bank firmware update capability.

For engineers reviewing the XMC65IKSCQ040XAAXUMA1 datasheet, XMC65IKSCQ040XAAXUMA1 pinout, XMC65IKSCQ040XAAXUMA1 application, or XMC65IKSCQ040XAAXUMA1 equivalent, key selection criteria include its 120 MHz CPU clock, hardware floating-point unit, 12-bit ADC with 24 channels, 64-channel DMA controller, and support for IEC 61508 SIL-3 functional safety certification.

Technical Context

The XMC65IKSCQ040XAAXUMA1 implements a dual-core lockstep (DCLS) configuration for safety-critical execution, with dedicated peripherals including a Safety Timer (ST), Memory Protection Unit (MPU), and Error Correction Code (ECC) on both flash and SRAM. Its peripheral set includes two 32-bit general-purpose timers (GPT12), a 16-bit capture/compare unit (CCU8), and a high-resolution PWM generator (HRPWM) with 150 ps resolution.

It supports multiple clock sources: internal RC oscillator (10 MHz), external crystal (1–25 MHz), and PLL-based system clock up to 120 MHz. Power management includes five low-power modes (Sleep, Standby, Stop, Deep Stop, and Power-down), with wake-up via GPIO, timer, or communication interface events.

Key Specifications

Pinout & Package

This device is housed in a 144-pin LQFP package (20 × 20 mm, 0.5 mm pitch) with exposed thermal pad for enhanced thermal dissipation in industrial ambient conditions.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar industrial real-time microcontroller applications.

Compared with STM32H743VI and RZ/T2M R7S92200, the XMC65IKSCQ040XAAXUMA1 uniquely integrates Ethernet MAC, CAN FD, SIL-3 certification, and hardware crypto in a single die-reducing system-level validation effort and board area for safety-critical industrial gateways and drives.

Availability

XMC65IKSCQ040XAAXUMA1 is available at Aetrix Electronics and suitable for industrial PLC control, motor drive inverters, energy metering gateways, and railway signaling interfaces requiring stable component supply across extended product lifecycles.

Supply support for XMC65IKSCQ040XAAXUMA1 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, and industrial control ICs, with global manufacturing and R&D centers.

The XMC65K series is designed for high-integrity industrial automation applications demanding real-time performance, functional safety, and secure connectivity in harsh environments.

FAQ

What is the maximum operating temperature range for XMC65IKSCQ040XAAXUMA1?

The XMC65IKSCQ040XAAXUMA1 is rated for industrial temperature operation from –40 °C to +125 °C (junction temperature). This rating is validated per AEC-Q100 Grade 2 and applies under specified voltage, clock, and load conditions with proper PCB thermal design using the exposed thermal pad.

Does this MCU support external SDRAM expansion?

No, the XMC65IKSCQ040XAAXUMA1 does not include an external memory interface (EMIF) or SDRAM controller. All memory resources are internal: 4 MB flash and 512 KB SRAM. External storage must be added via SPI NOR/NAND flash or SDIO-connected eMMC.

Is the Ethernet MAC compliant with IEEE 802.3u (100BASE-TX)?

Yes, the integrated Ethernet MAC supports full-duplex 10/100 Mbit/s operation per IEEE 802.3u. It requires an external PHY for physical layer interfacing and supports RMII and MII modes with configurable clock outputs and packet filtering features including VLAN tag recognition.

Can the HSM perform asymmetric key operations without CPU involvement?

Yes, the Hardware Security Module (HSM) executes RSA-2048 signature verification and ECDSA-256 operations autonomously via dedicated cryptographic co-processors. The CPU initiates requests through mailbox registers and receives completion interrupts, enabling secure boot verification with minimal latency impact on application code.