Infineon Technologies XMC1202Q040X0016ABXUMA1

Overview

XMC1202Q040X0016ABXUMA1 from Infineon Technologies is an ARM Cortex-M0 32-bit microcontroller with 16 KB Flash, 16 KB SRAM, and integrated analog peripherals including a 12-bit VADC (up to 8 channels), 2x CCU4 timers, and USIC serial interfaces. It targets LED lighting control and HMI systems requiring real-time PWM generation, analog sensing, and compact industrial firmware execution.

For engineers reviewing the XMC1202Q040X0016ABXUMA1 datasheet, XMC1202Q040X0016ABXUMA1 pinout, XMC1202Q040X0016ABXUMA1 application, or XMC1202Q040X0016ABXUMA1 equivalent, key selection criteria include Flash/SRAM size, VADC resolution and channel count, CCU4 timer precision for LED dimming, USIC interface flexibility for I²C/UART/SPI, and QFN-40 package thermal performance in space-constrained lighting modules.

Technical Context

The device implements a single-cycle ARM Cortex-M0 core operating up to 48 MHz, supported by a dedicated AHB-Lite bus for CPU-to-Flash/SRAM access and APB bus for peripheral control. Its analog subsystem integrates a voltage-controlled oscillator (VCO)-based DCO for clock generation, a temperature sensor with ±2°C accuracy, and an out-of-range comparator (ORC) for fast overvoltage detection.

Peripheral timing is managed via the System Control Unit (SCU), which configures clock dividers, enables power gating per module, and supports wake-up from sleep modes using ERU event routing. The USIC0 module provides configurable serial communication with independent baud rate generators and flexible data framing for LED driver ICs and touch controllers.

Key Specifications

Pinout & Package

Package: QFN-40 (6 × 6 mm, 0.5 mm pitch), exposed thermal pad, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XMC1202Q040X0016ABXUMA1, the 32 KB Flash variant supports larger firmware footprints for advanced lighting protocols, while the XMC1100 offers lower BOM cost and smaller footprint at the expense of analog integration and timer flexibility.

Availability

XMC1202Q040X0016ABXUMA1 is available at Aetrix Electronics and suitable for LED lighting control, capacitive touch HMI, and industrial panel display applications requiring stable component supply, long-term lifecycle assurance, and qualified industrial-grade packaging.

Supply support for XMC1202Q040X0016ABXUMA1 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 industrial microcontrollers, with global R&D and manufacturing infrastructure.

The XMC1000 family was designed specifically for industrial real-time control tasks - emphasizing robust analog integration, deterministic timing, and low-power operation in harsh environments like factory automation and intelligent lighting.

FAQ

What is the maximum operating frequency of the XMC1202Q040X0016ABXUMA1?

The device operates at a maximum CPU clock frequency of 48 MHz, derived from its internal DCO or external crystal oscillator. This frequency is fully supported across the full industrial temperature range (–40°C to +125°C) and meets all timing specifications in the V1.4 datasheet, including Flash wait-state requirements and peripheral clock domain constraints.

Does this MCU support hardware-based USB communication?

No, the XMC1202Q040X0016ABXUMA1 does not include a USB PHY or USB controller. Communication is limited to USIC-supported protocols (UART, SPI, I²C, IIS) and SWD for debugging. For USB connectivity, external bridge ICs such as the Infineon USBXpress series or discrete USB-UART converters must be used.

Can the VADC perform simultaneous sampling across multiple channels?

No, the VADC is a single SAR converter with multiplexed inputs; it performs sequential conversions with typical acquisition times of 1.5 µs per channel at 12-bit resolution. Simultaneous sampling is not supported, but the ERU can trigger conversions on external events to minimize jitter between channel reads in time-critical sequences.

Is the QFN-40 package lead-free and RoHS compliant?

Yes, the XMC1202Q040X0016ABXUMA1 uses a lead-free, RoHS-compliant QFN-40 package with matte tin plating. The device meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) and supports standard reflow profiles up to 260°C peak temperature, as specified in Infineon's package outline document PL-40-1.