Infineon Technologies XC2220U8F40VAAKXUMA1

Overview

XC2220U8F40VAAKXUMA1 from Infineon Technologies is a 16/32-bit single-chip microcontroller in the XC2000 Compact Line, featuring a five-stage pipeline CPU delivering 32-bit performance at 66 MHz (15.2 ns instruction cycle), 64 KB on-chip Flash, 8 KB SRAM (2 KB DPRAM + 2 KB DSRAM + 4 KB PSRAM), and integrated peripherals including CCU60 PWM unit, 12-bit ADC with 10 channels & <1 µs conversion, and UART/LIN/SPI/I²C/USIC serial interfaces. It targets automotive body control modules requiring deterministic real-time response and functional safety support.

For engineers reviewing the XC2220U8F40VAAKXUMA1 datasheet, XC2220U8F40VAAKXUMA1 pinout, XC2220U8F40VAAKXUMA1 application, or XC2220U8F40VAAKXUMA1 equivalent, key selection criteria include its 66 MHz CPU clock with zero-cycle jumps, ECC-protected Flash and parity-protected RAM, hardware CRC checker for memory supervision, and 48-pin VQFN package with 33 GPIOs supporting wake-up from low-power modes.

Technical Context

The XC2220U8F40VAAKXUMA1 implements the C166™ CPU core with register-based architecture, dual local register banks for fast context switching, and an integrated Memory Protection Unit (MPU) enabling secure task isolation in embedded real-time OS environments. Its interrupt system supports 46 nodes across 16 priority levels with 15.2 ns sample rate and Peripheral Event Controller (PEC) for single-cycle data transfers using 24-bit address pointers.

On-chip timing includes a programmable PLL for flexible clock generation, a window watchdog timer, oscillator watchdog, and independent real-time clock (RTC) with calendar functionality. The memory subsystem integrates ECC for Flash and parity for all SRAM blocks, while the hardware CRC-Checker supports configurable polynomials to verify integrity of critical code/data regions during boot or runtime.

Key Specifications

Pinout & Package

XC2220U8F40VAAKXUMA1 is housed in a 48-pin VQFN package (7 mm × 7 mm, 0.5 mm pitch) with an exposed thermal pad. Pin definitions are validated per Infineon's Data Sheet V1.2 (2012-07), Section 2.1 "Pin Configuration and Definition".

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16/32-bit automotive microcontroller applications.

Compared with XC2220U8F40FAAKXUMA1, the VQFN variant provides superior thermal dissipation and smaller footprint; versus XC2234U8F40VAAKXUMA1, it trades memory capacity and temperature grade for lower BOM cost and power consumption in non-under-hood roles.

Availability

XC2220U8F40VAAKXUMA1 is available at Aetrix Electronics and suitable for automotive body control modules, industrial motor drive interfaces, smart power distribution units, and industrial sensor hubs requiring stable component supply and long-term lifecycle assurance.

Supply support for XC2220U8F40VAAKXUMA1 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 electronics, and security solutions, headquartered in Munich.

The XC2000 Family / Compact Line was designed for cost-optimized, high-reliability automotive body electronics and industrial control applications, emphasizing real-time determinism, functional safety readiness, and mixed-signal integration.

FAQ

What is the maximum operating frequency and corresponding instruction cycle time of the XC2220U8F40VAAKXUMA1?

The XC2220U8F40VAAKXUMA1 operates at a maximum CPU clock frequency of 66 MHz, yielding a 15.2 ns instruction cycle time. This is achieved using the on-chip PLL with external crystal or oscillator input, and all arithmetic instructions-including 32-bit addition and 16×16 multiplication-execute in a single cycle under this clock configuration.

Does the XC2220U8F40VAAKXUMA1 support functional safety standards such as ISO 26262?

While not ASIL-certified out-of-the-box, the XC2220U8F40VAAKXUMA1 includes hardware features aligned with ISO 26262 requirements: ECC-protected Flash, parity-protected SRAM, hardware CRC checker, MPU for memory isolation, window watchdog timer, and lockstep-capable debug interface (DAP/SPD/JTAG). System-level certification requires integration with appropriate safety software and validation per ASIL-B or ASIL-C decomposition.

How many serial communication interfaces does the XC2220U8F40VAAKXUMA1 support, and what protocols are configurable?

The device integrates two Universal Serial Interface Channels (USIC), each independently configurable as UART, LIN, high-speed SPI/QSPI, I²C (supporting 10-bit addressing and 400 kbit/s), or IIS. Both channels support synchronous and asynchronous modes, with hardware assist for LIN header detection, UART auto-baud, and SPI master/slave operation-including daisy-chain and multi-slave configurations.

What debug interfaces are available on the XC2220U8F40VAAKXUMA1, and are they accessible in the VQFN package?

The XC2220U8F40VAAKXUMA1 supports On-Chip Debug Support (OCDS) via Device Access Port (DAP), Single-Pin DAP (SPD), and IEEE 1149.1 JTAG. All three interfaces are fully routed to dedicated pins in the 48-pin VQFN package: TCK, TMS, TDI, TDO, TRSTN, and DAPDATA/DAPCLK are assigned to pins P3.4–P3.7 and P4.0–P4.3, enabling full boundary-scan and real-time trace debugging without requiring external adapters.