Infineon Technologies XMC1302T038X0128AAXUMA1

Overview

XMC1302T038X0128AAXUMA1 from Infineon Technologies is an ARM® Cortex®-M0 32-bit microcontroller with 128 KB on-chip flash, 16 KB SRAM, and integrated peripherals including VADC (12-bit, 16-channel), CCU4/CCU8 timers, USIC serial interfaces, and POSIF for motor control. It operates at up to 48 MHz and targets real-time industrial control applications such as BLDC motor commutation and digital power supply regulation.

For engineers reviewing the XMC1302T038X0128AAXUMA1 datasheet, XMC1302T038X0128AAXUMA1 pinout, XMC1302T038X0128AAXUMA1 application, or XMC1302T038X0128AAXUMA1 equivalent, key selection criteria include flash/SRAM size, VADC resolution and channel count, CCU8 dead-time configurable PWM capability, USIC flexibility for SPI/I²C/I²S, and TSSOP-38 package compatibility with space-constrained PCB layouts.

Technical Context

The XMC1302T038X0128AAXUMA1 implements a deterministic real-time control architecture centered on the ARM Cortex-M0 core, tightly coupled with hardware accelerators: the POSIF (Position Interface) for encoder/sensor signal preprocessing, CCU8 for high-resolution complementary PWM generation with programmable dead time, and VADC with hardware-based scan sequencing and result post-processing.

Its peripheral subsystem uses AHB-Lite and APB buses with dedicated clock domains; the USIC module supports simultaneous multi-protocol operation (e.g., SPI master + I²C slave), while the ERU (Event Request Unit) enables asynchronous event chaining between peripherals without CPU intervention-critical for fast-loop motor control timing.

Key Specifications

Pinout & Package

TSSOP-38 (Thin Shrink Small Outline Package, 38-pin, 0.65 mm pitch) with exposed thermal pad; RoHS-compliant, lead-free finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XMC1302T038X0128AAXUMA1, the 64 KB variant offers cost reduction without peripheral trade-offs, while the XMC1402 provides architectural headroom for computationally intensive control laws-but at higher power and BOM cost.

Availability

XMC1302T038X0128AAXUMA1 is available at Aetrix Electronics and suitable for industrial motor drives, digital power converters, and intelligent LED lighting systems requiring stable component supply and long-term manufacturing continuity.

Supply support for XMC1302T038X0128AAXUMA1 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, and industrial control ICs, with global R&D and manufacturing infrastructure.

The XMC1000 family was designed specifically for real-time industrial control-emphasizing deterministic timing, integrated analog/motor peripherals, and robustness in electrically noisy environments.

FAQ

What debug interface does XMC1302T038X0128AAXUMA1 support?

The device integrates a Serial Wire Debug (SWD) interface compliant with ARM CoreSight standards, supporting full JTAG-like debugging functionality-including breakpoints, watchpoints, memory inspection, and real-time variable monitoring-using standard tools like DAVE™ IDE or SEGGER J-Link. No external debug adapter beyond SWD header is required.

Does XMC1302T038X0128AAXUMA1 include a hardware random number generator?

Yes, it contains a true hardware PRNG (Pseudo-Random Number Generator) block with 8 KB ROM-based initialization data, certified per AIS-31 Class P2 requirements. This enables secure key derivation and challenge-response protocols in industrial authentication systems without external crypto ICs.

Can the VADC perform simultaneous sampling across multiple channels?

No-VADC supports hardware-synchronized sampling only within a single group (e.g., Group 0). However, it achieves effective simultaneity via rapid sequential sampling (<100 ns inter-channel skew) and hardware-triggered group scans, meeting timing requirements for three-phase current reconstruction in motor control.

Is the TSSOP-38 package of XMC1302T038X0128AAXUMA1 RoHS-compliant and halogen-free?

Yes, the part carries the "AAXUMA1" suffix indicating compliance with RoHS Directive 2011/65/EU and JEDEC JS709C halogen-free requirements. The package uses matte tin plating and lead-free solderability, verified per IPC-J-STD-020 moisture sensitivity level MSL3.