Infineon Technologies XE160FU8F66RAAFXUMA1

Overview

XE160FU8F66RAAFXUMA1 from Infineon Technologies is a 16-bit real-time signal controller in the XE166 Family / Compact Line, featuring a five-stage pipeline CPU running at 66 MHz (15.2 ns instruction cycle), 64 KB on-chip Flash, 8 KB on-chip SRAM (2 KB DPRAM + 2 KB DSRAM + 4 KB PSRAM), and integrated peripherals including CCU60 PWM unit, 12-bit ADC with ≤1 μs conversion, and UART/SPI/I²C/USIC serial interfaces. It targets motor control and industrial automation systems requiring deterministic timing and robust memory protection.

For engineers reviewing the XE160FU8F66RAAFXUMA1 datasheet, XE160FU8F66RAAFXUMA1 pinout, XE160FU8F66RAAFXUMA1 application, or XE160FU8F66RAAFXUMA1 equivalent, key selection criteria include its 66 MHz real-time execution capability, ECC-protected Flash, MPU-enforced memory isolation, and CCU60-based high-resolution PWM generation for closed-loop servo drives.

Technical Context

The XE160FU8F66RAAFXUMA1 implements the C166™ CPU core with hardware memory protection (MPU), background division (32/16-bit in 21 cycles), and zero-cycle jump execution-enabling deterministic interrupt response critical for motor commutation. Its peripheral set includes a dedicated CCU60 unit for center-aligned PWM with dead-time insertion and fault input handling, plus a 12-bit ADC with broken-wire detection and programmable data preprocessing.

Clock generation uses an on-chip PLL supporting 66 MHz operation from external crystal or RC oscillator inputs; power management includes multiple low-power modes with wake-up via external pins or peripheral events. The device supports single-supply operation from 3.0 V to 5.5 V and integrates a programmable window watchdog timer with oscillator watchdog backup.

Key Specifications

Pinout & Package

XE160FU8F66RAAFXUMA1 is housed in a 38-pin Green TSSOP package (0.5 mm pitch) with exposed thermal pad, optimized for compact industrial PCB layouts and moderate power dissipation in motor drive applications.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar real-time signal controller applications.

Compared with XE164FM8F66RAAFXUMA1 and XC2267M16F66RABXUMA1, the XE160FU8F66RAAFXUMA1 offers optimal cost-performance balance for established 16-bit real-time control tasks-retaining full CCU60 PWM fidelity and ECC Flash integrity while minimizing BOM count and software migration effort.

Availability

XE160FU8F66RAAFXUMA1 is available at Aetrix Electronics and suitable for brushless motor drives, industrial PLC I/O modules, smart power inverters, and automated test equipment requiring stable component supply and long-term lifecycle support.

Supply support for XE160FU8F66RAAFXUMA1 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 XE166 Family / Compact Line was designed specifically for cost-sensitive, high-reliability real-time control in motor drives and industrial automation-emphasizing deterministic timing, memory safety, and integrated analog/mixed-signal peripherals.

FAQ

What is the maximum operating frequency and corresponding instruction cycle time?

The XE160FU8F66RAAFXUMA1 operates at a maximum CPU clock frequency of 66 MHz, delivering a 15.2 ns instruction cycle time. This timing is achieved using the on-chip PLL with external crystal input, and all core instructions-including MAC, 32-bit add/subtract, and zero-cycle jumps-are guaranteed to meet this specification under rated voltage and temperature conditions (-40°C to 85°C).

Does this MCU support hardware memory protection and error correction?

Yes. It integrates a Memory Protection Unit (MPU) enforcing privilege-level access across its 16 MB linear address space, and Flash memory includes Error Correction Code (ECC) for single-bit error correction and double-bit error detection. SRAM blocks use parity checking, and the hardware CRC checker validates memory contents during boot or runtime diagnostics.

Which PWM peripheral is used for motor control, and what advanced features does it offer?

The CCU60 capture/compare unit is dedicated to motor control PWM generation. It supports center-aligned PWM waveforms, programmable dead-time insertion between complementary outputs, synchronous ADC triggering, and immediate fault shutdown via dedicated input pins-enabling safe, high-resolution commutation for BLDC and PMSM motors without CPU overhead.

What serial communication protocols are supported natively without external transceivers?

The device includes two Universal Serial Interface Channels (USIC) that can be configured as UART, LIN, SPI/QSPI, I²C (with 10-bit addressing and 400 kbit/s speed), or IIS. All protocols operate directly from GPIO pins-no external level shifters or transceivers required-though external drivers may be needed for RS-485 or CAN physical layers.