XMC4100Q48K128ABXLSA1 - 80MHz Cortex-M4 MCU | Infineon
MPN: XMC4100Q48K128ABXLSA1 ✓ ActiveXMC4100Q48K128ABXLSA1 Overview
An ARM Cortex-M4 microcontroller is a 32-bit reduced-instruction-computing processor within the embedded MCU hierarchy. It integrates CPU logic, program memory, data memory, interrupt control, timers, communications peripherals, and digital I/O on one device. The XMC4100 is based on the XMC4000 industrial-microcontroller series and is designed for applications that require deterministic embedded processing alongside multiple communication and control interfaces.
The XMC4100Q48K128ABXLSA1 provides 128 KB of flash organized as 128K by 8 bits, 20 KB of SRAM, and a maximum operating frequency of 80 MHz. According to the Infineon product page, the device is an industrial ARM Cortex-M4 microcontroller. Its combination of embedded memory, a compact VQFN-48 package, and integrated peripherals supports space-constrained control boards that require more processing capability than an 8-bit or 16-bit controller.
The XMC4000 architecture integrates a single Cortex-M4 core with the peripherals required for industrial embedded systems. Distributed listings identify the exact device as a single-core 32-bit microcontroller with 80 MHz maximum clock operation. This performance supports responsive control loops, protocol handling, supervisory logic, and human-machine-interface updates while retaining the simplicity of a single-chip embedded design.
Typical uses include industrial automation controllers, building automation equipment, sensor and actuator hubs, communications modules, motor-control supervisory systems, and compact embedded gateways. The 48-pin VQFN package limits board area and supports high-density PCB layouts, while the exposed-pad construction requires careful thermal-pad and copper-layout treatment to transfer heat away from the device.
Design the XMC4100Q48K128ABXLSA1 within its documented voltage, temperature, clock, and peripheral limits. Confirm the complete pin assignment and exposed-pad connection from the Infineon XMC4100-Q48x128 datasheet. Follow the recommended decoupling, clock, reset, and layout practices in the manufacturer's reference documentation rather than inferring connections from another 48-pin microcontroller.
This product page combines the manufacturer's device description with distributor specifications, practical PCB guidance, a concise engineering selection guide, and verified lifecycle information. It helps engineers determine whether the 80 MHz Cortex-M4 core, 128 KB flash, 20 KB SRAM, and 48-pin VQFN package align with a new industrial or embedded-control design.
Drop-in alternatives for XMC4100Q48K128ABXLSA1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
XMC4100-Q48K128-BA
✅ Drop-In📋 Reference alternative (not in catalog)
XMC4100Q48K128ABXLSA1 Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit ARM Cortex-M4 industrial microcontroller |
| CPU Core | ARM Cortex-M4 |
| Architecture | 32-bit RISC |
| Core Count | 1 core |
| Maximum CPU Frequency | 80 MHz |
| Flash Memory | 128 KB |
| Flash Organization | 128K x 8 bits |
| SRAM | 20 KB |
| Package | PG-VQFN-48-54 |
| Pin Count | 48 pins |
| Mounting Type | Surface mount |
| Exposed Pad | Present |
| Product Series | XMC4000 |
| Application Classification | Industrial applications |
| RoHS Status | unknown |
| REACH Status | unknown |
| AEC-Q100 Status | not_applicable |
XMC4100Q48K128ABXLSA1 pg-vqfn-48-54 Pin Configuration Guide
Pin configuration for XMC4100Q48K128ABXLSA1 (pg-vqfn-48-54 package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for XMC4100Q48K128ABXLSA1.
Refer to the datasheet for full pin configuration.
Typical Applications
XMC4100Q48K128ABXLSA1 is suitable for 6 applications: Industrial Automation Controller, Building Automation Equipment, Sensor and Actuator Hub, Communications Gateway Module, Motor-Control Supervisory System, Embedded Test and Measurement Instrument.
Industrial Automation Controller
The XMC4100Q48K128ABXLSA1 fits compact industrial automation controllers that coordinate sensors, actuators, and communications between a controller and field equipment. Its single 80 MHz ARM Cortex-M4 core provides the processing capacity for real-time control loops, state machines, diagnostics, and communication protocol handling, while 128 KB of flash supports embedded application code and 20 KB of SRAM supports working buffers. The 48-pin VQFN package also reduces board area compared with larger leaded packages. Validate the required interface assignments, voltage limits, and timing against the Infineon XMC4100-Q48x128 datasheet before finalizing the controller layout.
Recommended
Building Automation Equipment
The XMC4100Q48K128ABXLSA1 is appropriate for building automation controllers managing HVAC equipment, lighting interfaces, access controls, and environmental sensors. Its 80 MHz Cortex-M4 core can coordinate multiple peripheral tasks and communication stacks, while the 128 KB flash and 20 KB SRAM provide useful capacity for a compact embedded-control design. The PG-VQFN-48-54 package supports space-constrained control boards, but its exposed pad requires the manufacturer's recommended thermal and copper layout. Confirm the peripheral mix, clock requirements, and low-power behavior directly from the family documentation before finalizing a commercial building-control product.
Recommended
Sensor and Actuator Hub
The XMC4100Q48K128ABXLSA1 can serve as the control center of a distributed sensor and actuator hub, sampling inputs, applying filtering, validating readings, and controlling outputs. Its 80 MHz ARM Cortex-M4 processing core provides sufficient instruction throughput for deterministic supervisory tasks and serial-protocol management, while 20 KB of SRAM accommodates packet buffers and intermediate processing state. The 48-pin VQFN package allows the hub to fit into compact DIN-rail, panel, or distributed-control enclosures. Review the exact pin multiplexing and exposed-pad requirements in the Infineon XMC4100-Q48x128 datasheet before assigning sensor buses or output-driver circuits.
Recommended
Communications Gateway Module
The XMC4100Q48K128ABXLSA1 supports compact communications gateways that bridge local serial devices to an embedded network or supervisory controller. The Cortex-M4 core handles protocol conversion, message framing, routing tables, and diagnostics at up to 80 MHz, while 128 KB flash stores protocol stacks and configuration. Its 20 KB SRAM can support transmit and receive buffers, and the 48-pin VQFN package minimizes board area. The part is best considered a gateway processor when its XMC4000 peripherals and memory meet the design's timing and interface needs. Verify pin assignment, clock configuration, and timing margins against the manufacturer datasheet.
Recommended
Motor-Control Supervisory System
The XMC4100Q48K128ABXLSA1 is well suited to supervisory motor-control systems that monitor position, process switch events, coordinate protection logic, and communicate with a drive controller. Its 80 MHz Cortex-M4 core can execute control sequencing, fault handling, and data logging while the 128 KB flash stores application firmware and 20 KB of SRAM handles state variables and communication buffers. The compact VQFN-48 package supports dense power-control and instrumentation boards, although the exposed pad and local high-current circuitry require careful layout separation. Use the family datasheet to confirm timer, capture, communication, and electrical requirements before implementing it beside motor-drive circuitry.
Recommended
Embedded Test and Measurement Instrument
The XMC4100Q48K128ABXLSA1 can support compact test, measurement, and diagnostic instruments that combine control functions with data acquisition and host communication. Its Cortex-M4 core executes measurement sequencing, calibration logic, command parsing, and data formatting at up to 80 MHz, while 128 KB flash stores firmware and 20 KB of SRAM provides working and buffering space. The 48-pin VQFN package is useful in handheld or benchtop products with limited board area. For precision analog measurement chains, external converters and amplifiers may be required; use the datasheet to confirm whether the integrated peripherals satisfy the required channel count, timing, and interface bandwidth.
Recommended
Recommended Products Summary
Engineering reference data for XMC4100Q48K128ABXLSA1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | XMC4100-Q48K128-BA |
|---|---|---|
| Package | PG-VQFN-48-54 | PG-VQFN-48-54 |
| Brand | Infineon | Infineon |
| Product Series | XMC4000 | XMC4000 |
| CPU Core | ARM Cortex-M4 | ARM Cortex-M4 |
| Maximum Frequency | 80 MHz | 80 MHz |
| Flash Memory | 128 KB | 128 KB |
| SRAM | 20 KB | 20 KB |
| Architecture | 32-bit | 32-bit |
| Core Count | 1 core | 1 core |
| Application Class | Industrial | Industrial |
Key Differentiators
- Defined industrial Cortex-M4 resource configuration (vs XMC4100-Q48K128-BA)
- Compact high-density integration (vs XMC4100-Q48K128-BA)
- Adequate on-chip memory for embedded control (vs XMC4100-Q48K128-BA)
Design Notes
Use the PG-VQFN-48-54 land pattern and exposed-pad layout from the Infineon XMC4100-Q48x128 documentation. Place the device's input and output decoupling capacitors close to their assigned power pins, keep high-current or switching-node copper away from sensitive signal routes, and provide a continuous thermal-pad connection according to the manufacturer assembly instructions. Review the pin-description table before routing because a Cortex-M4 core does not guarantee the same peripheral functions or alternate-function mapping as another MCU.
Confirm the operating and absolute-maximum voltage ratings, external component values, clock requirements, and power-up behavior in the Infineon XMC4100-Q48x128 datasheet. Do not infer the supply range from the 80 MHz frequency or the 48-pin package. Keep the exposed pad electrically and thermally compliant with the reference layout, and use local bulk and high-frequency decoupling that follows the manufacturer's recommended topology.
Assign external clock, reset, communication, and debug functions only after checking the exact XMC4100Q48K128ABXLSA1 pin table. Route high-speed or noise-sensitive signals away from switching regulators, inductors, motor-driver nodes, and the exposed-pad area. Use the manufacturer's reference schematic and layout guidance for startup, oscillator, and debug implementation rather than adapting an unrelated 48-pin MCU footprint without a complete pin-by-pin review.
The VQFN package relies on its exposed pad and PCB copper to remove heat. Preserve a continuous copper path under the pad, use the manufacturer's recommended via arrangement, and avoid cutting thermal copper beneath the device. Actual junction-temperature performance depends on ambient temperature, board copper, airflow, and the device's switching activity. Validate the assembled thermal path with the final enclosure and operating load before production release.
Do not treat XMC4100-Q48K128-BA and XMC4100Q48K128ABXLSA1 as identical procurement strings without checking the order-information table. Review suffix interpretation for temperature grade, package, and delivery form. Likewise, another Cortex-M4 microcontroller is not a drop-in replacement merely because its processor and package pin count match; verify every pin, peripheral, interrupt, memory, clock, and voltage requirement.
Compliance Information
Infineon classifies the device as an industrial microcontroller, but the available manufacturer and distributor information does not state the requested environmental and material-compliance declarations for the exact ordering code.
