Infineon Technologies SAF-XC2236N-40F66L AB

Overview

SAF-XC2236N-40F66L AB from Infineon Technologies is a 16/32-bit single-chip microcontroller in the XC2000 Family / Value Line, featuring an 80 MHz CPU with 12.5 ns instruction cycle, 320 KB on-chip Flash memory, 16 KB PSRAM, and integrated MultiCAN Rev. 2.0B interface with up to 256 message objects. It operates from 3.0 V to 5.5 V and supports industrial temperature range (–40°C to +85°C), targeting real-time motor control and automotive body electronics.

For engineers reviewing the SAF-XC2236N-40F66L AB datasheet, SAF-XC2236N-40F66L AB pinout, SAF-XC2236N-40F66L AB application, or SAF-XC2236N-40F66L AB equivalent, key selection criteria include Flash size (320 KB), CAN node count (6), CCU6x PWM capability, real-time A/D conversion (9-channel, 10-bit, <1 µs), and on-chip memory protection via ECC and MPU.

Technical Context

The SAF-XC2236N-40F66L AB implements a C166-compatible five-stage pipeline CPU with hardware MAC, background division (32/16-bit in 21 cycles), and zero-cycle jumps. Its memory subsystem includes 320 KB Flash with ECC, 16 KB PSRAM, 16 KB DSRAM, 2 KB DPRAM, and 8 KB SBRAM - all mapped within a unified 16 MB linear address space.

Peripheral integration centers on deterministic real-time control: two synchronizable 10-bit A/D converters with broken-wire detection, six serial channels (UART/LIN/SPI/IIC/IIS), dual CCU6x units for complementary PWM generation, and a MultiCAN module supporting Full CAN and Basic CAN across six independent nodes with configurable message object RAM.

Key Specifications

Pinout & Package

SAF-XC2236N-40F66L AB is housed in a 64-pin Green LQFP package with 0.5 mm pitch, RoHS-compliant and halogen-free per Infineon's packaging specification.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SAF-XC2236N-40F66L AB, the XC2267M offers greater compute headroom and peripheral bandwidth at higher cost and power, while the XC2287M adds CAN FD and extended temperature tolerance - both require PCB redesign and toolchain requalification.

Availability

SAF-XC2236N-40F66L AB is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor drives, smart power distribution, and PLC I/O subsystems requiring stable component supply and long-term industrial lifecycle support.

Supply support for SAF-XC2236N-40F66L AB 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 MCUs, and security solutions, headquartered in Munich.

The XC2000 Family / Value Line was designed to deliver 32-bit performance in cost-optimized 16/32-bit microcontrollers for automotive body, chassis, and industrial real-time control applications.

FAQ

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

The SAF-XC2236N-40F66L AB achieves a maximum CPU clock of 80 MHz, delivering a 12.5 ns instruction cycle for single-cycle execution of core arithmetic and logic operations. This timing is guaranteed under specified voltage (3.0–5.5 V) and temperature (–40°C to +85°C) conditions per datasheet Section 4.7.2.1.

Does this MCU support CAN FD or only classical CAN?

The SAF-XC2236N-40F66L AB implements MultiCAN Rev. 2.0B only, supporting Classical CAN (ISO 11898-1:2003) at up to 1 Mbit/s. It does not include CAN FD features such as flexible data-rate or extended payload - confirmed in Section 3.13 and Table 1-2 of the datasheet.

How is Flash memory protected against corruption during power fluctuations?

Flash integrity is maintained through Error Correction Code (ECC) circuitry that detects and corrects single-bit errors and detects double-bit errors during read/write operations. Additionally, the Memory Protection Unit (MPU) prevents accidental writes to protected Flash sectors, as detailed in Sections 3.3 and 4.6 of the datasheet.

Is there hardware support for motor control-specific functions like dead-time insertion?

Yes - the dual CCU6x peripheral units provide dedicated hardware for dead-time insertion, complementary PWM output generation, and break signal handling. These features are implemented in silicon and configurable via CCU6 register sets, enabling reliable inverter gate drive without CPU intervention.