Infineon Technologies XMC1201T028F0016ABXUMA1

Overview

XMC1201T028F0016ABXUMA1 from Infineon Technologies is an ARM Cortex-M0 32-bit microcontroller optimized for LED lighting and HMI applications, featuring 16 KB Flash, 16 KB SRAM, and integrated analog peripherals including a 12-bit VADC with up to 8 channels and two 16-bit CCU4 timers. It operates at up to 32 MHz, supports Serial Wire Debug (SWD), and is housed in a TSSOP-28 package.

For engineers reviewing the XMC1201T028F0016ABXUMA1 datasheet, XMC1201T028F0016ABXUMA1 pinout, XMC1201T028F0016ABXUMA1 application, or XMC1201T028F0016ABXUMA1 equivalent, key selection criteria include Flash/SRAM size, integrated analog timing accuracy (e.g., VADC sampling rate ≤ 1.5 µs), CCU4 timer resolution (16-bit, programmable prescaler), and TSSOP-28 thermal performance in compact LED driver PCB layouts.

Technical Context

The device implements a single-cycle ARM Cortex-M0 core with Thumb/Thumb-2 instruction support, tightly coupled to on-chip AHB-Lite and APB buses. Its analog subsystem integrates a voltage-controlled oscillator (VCO)-based DCO clock source, a temperature sensor with ±2°C accuracy over –40°C to +125°C, and an out-of-range comparator (ORC) for fast fault detection in LED current regulation loops.

Peripheral control is managed via dedicated hardware accelerators: the LEDTS unit provides dedicated PWM generation for multi-channel dimming, while the USIC0 module supports configurable serial interfaces (SPI/I²C/I²S) with independent baud-rate generators and FIFO buffering-enabling concurrent communication with touch controllers and ambient light sensors in HMI systems.

Key Specifications

Pinout & Package

TSSOP-28 package with exposed thermal pad (pin 28 connected to VSS); 28-pin surface-mount outline compliant with JEDEC MO-153, 9.7 mm × 4.4 mm body, 1.1 mm max height.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F030F4P6 and LPC812M101JDH20, XMC1201T028F0016ABXUMA1 delivers higher analog integration density, deterministic PWM timing, and thermal-aware LED control-making it optimal for compact, self-contained lighting and HMI edge nodes requiring minimal BOM count and no external analog support components.

Availability

XMC1201T028F0016ABXUMA1 is available at Aetrix Electronics and suitable for LED driver control, HMI touch panel interface, and smart lighting node applications requiring stable component supply across industrial design cycles.

Supply support for XMC1201T028F0016ABXUMA1 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, sensor, and microcontroller solutions for industrial, automotive, and energy-efficient applications.

The XMC1000 family, including the XMC1200 series, was designed specifically for real-time control in LED lighting and human-machine interface systems-emphasizing analog integration, deterministic timing, and compact packaging for space-constrained edge devices.

FAQ

What is the maximum operating frequency of the XMC1201T028F0016ABXUMA1?

The device operates at a maximum CPU clock frequency of 32 MHz, derived from its internal DCO oscillator or external crystal input. This frequency is fully supported across the entire operating temperature range (–40°C to +125°C) and supply voltage (2.7 V to 5.5 V), enabling consistent real-time performance in LED current regulation loops without dynamic frequency scaling.

Does the XMC1201T028F0016ABXUMA1 support in-system programming via SWD?

Yes, it supports full in-system programming and debugging via the 2-pin Serial Wire Debug (SWD) interface (SWDIO and SWCLK). The on-chip bootloader in ROM allows firmware updates over UART or SWD without requiring external programming hardware, and the debug interface remains accessible even after Flash lock bits are set for secure deployment.

How many analog input channels does the integrated VADC support?

The VADC supports up to 8 analog input channels (AN0–AN7), mapped to P1.0–P1.7 pins. Each channel can be configured for single-ended or differential measurement, with hardware-supported oversampling (2–16 samples) and automatic result accumulation-reducing CPU load during continuous thermal or ambient light monitoring in LED and HMI applications.

Is there a dedicated hardware unit for LED timing control?

Yes, the LEDTS0 and LEDTS1 units provide dedicated hardware PWM generation with 16-bit resolution, automatic fade transitions, and synchronized blanking across multiple channels. These units operate independently of the CPU, allowing precise, jitter-free dimming control for RGBW LED arrays while freeing the Cortex-M0 core for communication or safety monitoring tasks.