Infineon Technologies XMC1402T038X0032AAXUMA1

Overview

XMC1402T038X0032AAXUMA1 from Infineon Technologies is an ARM® Cortex®-M0 32-bit microcontroller designed for real-time industrial control, featuring 48 MHz CPU frequency, 32 KB Flash, 16 KB SRAM with parity, and operation across -40°C to 105°C ambient. It integrates dual 12-bit VADC (up to 1.1 MS/s), two CCU8 timer units for complementary PWM generation, and supports motor control, digital power conversion, and LED lighting systems.

For engineers reviewing the XMC1402T038X0032AAXUMA1 datasheet, XMC1402T038X0032AAXUMA1 pinout, XMC1402T038X0032AAXUMA1 application, or XMC1402T038X0032AAXUMA1 equivalent, key selection criteria include its TSSOP-38 package, 26 GPIOs, dual USIC modules supporting UART/SPI/IIC up to 12 Mb/s, and integrated POSIF for encoder-based position sensing in closed-loop motor drives.

Technical Context

The XMC1402T038X0032AAXUMA1 implements a deterministic real-time architecture centered on two CCU8 units-each with four 16-bit channels operating at 96 MHz-for high-resolution, phase-shifted PWM generation with dead-time insertion and fault protection. Its analog subsystem includes two independent VADC kernels with 12-bit resolution, 1.1 MS/s sampling rate, and programmable gain amplifiers enabling direct interface with current-sense shunts and voltage dividers.

Communication is handled by two USIC modules (four total channels), configurable as UART, SPI (single/dual/quad), IIC, or IIS, with hardware-accelerated LIN support. The device uses a single-pin bootloader and supports ARM Serial Wire Debug (SWD) with four breakpoints and two watchpoints for embedded firmware development.

Key Specifications

Pinout & Package

TSSOP-38 package (9.7 × 6.4 mm², 0.65 mm pitch) with exposed thermal pad for enhanced heat dissipation in compact motor control modules.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XMC1402Q048X0128AAXUMA1, this TSSOP-38 variant trades CAN connectivity and memory for smaller footprint and lower assembly cost; versus XMC1302T038X0032AAXUMA1, it delivers 50% higher PWM resolution and hardware encoder support essential for precision motion systems.

Availability

XMC1402T038X0032AAXUMA1 is available at Aetrix Electronics and suitable for brushless motor drives, digital power supplies, LED lighting controllers, and industrial HMI interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for XMC1402T038X0032AAXUMA1 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 industrial microcontrollers with ISO/TS 16949-certified manufacturing.

The XMC1400 series targets real-time industrial control applications, specifically engineered for motor control, digital power conversion, and LED lighting - emphasizing deterministic timing, analog integration, and robustness in harsh environments.

FAQ

What is the maximum ADC sampling rate supported by XMC1402T038X0032AAXUMA1?

The device supports up to 1.1 million samples per second (1.1 MS/s) across its two VADC kernels. Each kernel can operate independently with dual sample-and-hold stages, enabling simultaneous acquisition of multiple analog signals such as phase currents and bus voltage in motor control applications without inter-channel skew.

Does XMC1402T038X0032AAXUMA1 support hardware-based encoder interfacing?

Yes, it includes two POSIF (Position Interface) modules that natively decode quadrature A/B/Z encoder signals with automatic direction detection, index pulse capture, and counter overflow handling. This offloads the CPU and ensures jitter-free position tracking even under heavy interrupt loads.

Can this MCU operate without an external crystal oscillator?

Yes - it integrates both internal slow (32 kHz) and fast (up to 48 MHz) RC oscillators, allowing full operation without external crystals. External crystal support (4–20 MHz) is optional and used only when higher clock accuracy or lower jitter is required for synchronous communication or precise timing loops.

What debug interface does XMC1402T038X0032AAXUMA1 use?

It uses ARM Serial Wire Debug (SWD) with a single-pin physical interface, supporting up to four hardware breakpoints and two watchpoints. Debug access is enabled via SWDIO and SWCLK pins, compatible with standard ARM-compliant debug probes including Infineon's DASLink and third-party CMSIS-DAP adapters.