Infineon Technologies XC886CM8FFA5VACAXUMA1

Overview

XC886CM8FFA5VACAXUMA1 from Infineon Technologies is an 8-bit single-chip microcontroller based on the XC800 core, compatible with the standard 8051 instruction set and executing instructions at two clocks per machine cycle. It integrates 32 KB Flash, 256 B RAM, 1.5 KB XRAM, and a 10-bit 8-channel ADC. It features MultiCAN, UART1, SSC, CCU6, and on-chip debug support via JTAG, targeting automotive body electronics and industrial motor control.

For engineers reviewing the XC886CM8FFA5VACAXUMA1 datasheet, XC886CM8FFA5VACAXUMA1 pinout, XC886CM8FFA5VACAXUMA1 application, or XC886CM8FFA5VACAXUMA1 equivalent, key selection criteria include its dual-voltage operation (5 V I/O / 2.5 V core), embedded voltage regulator, LIN-compliant UART, and CAN 2.0B-capable MultiCAN module for distributed vehicle networks.

Technical Context

The XC886CM8FFA5VACAXUMA1 implements a two-clock-per-cycle 8051-compatible CPU core with dual data pointers and hardware multiplication/division (MDU) plus CORDIC coprocessor for real-time trigonometric computation. Its memory architecture includes segmented Flash with sector protection, boot ROM for secure startup, and separate XRAM for high-speed peripheral buffering.

It supports multiple clock sources: internal RC oscillator (±2% accuracy), external crystal (1–20 MHz), or external clock input. The power system integrates a low-dropout voltage regulator generating 2.5 V core supply from 5 V VDD, enabling mixed-signal operation with independent I/O and core domains.

Key Specifications

Pinout & Package

XC886CM8FFA5VACAXUMA1 is housed in a 64-pin LQFP package (10 × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined across four bidirectional port groups (P0–P3), dedicated peripheral pins (e.g., CANRX/CANTX, ADCTRIG, XTAL1/XTAL2), and power/ground terminals including VDDIO, VDDC, and VSS.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit automotive microcontroller applications.

Compared with XC886CM8FFA5VACAXUMA1, the XC886CLM-8FRA5VACXUMA1 offers lower memory capacity and no boot ROM, making it less suitable for secure firmware updates; the TC1766 delivers far greater compute headroom but incurs higher BOM cost and thermal design complexity.

Availability

XC886CM8FFA5VACAXUMA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor drives, smart power outlets, and PLC I/O expansion nodes requiring stable component supply and long-term lifecycle assurance.

Supply support for XC886CM8FFA5VACAXUMA1 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 security solutions, with global R&D and manufacturing infrastructure.

This device belongs to the XC800 family - engineered for cost-effective, reliable control in automotive body electronics and industrial motion systems where 8-bit efficiency meets CAN/LIN connectivity and analog integration.

FAQ

Does XC886CM8FFA5VACAXUMA1 support in-application programming (IAP) of Flash memory?

Yes. The device supports IAP through its embedded Flash controller, allowing firmware updates while the application runs. Sector erase and byte/word programming are enabled via dedicated SFRs, and memory protection can be configured per sector using password registers to prevent accidental writes.

What is the maximum operating frequency of the XC800 core in this variant?

The XC800 core operates at up to 26.7 MHz derived from the PLL, which accepts input frequencies from 1–20 MHz. With the two-clock-per-cycle architecture, this yields up to 13.35 million instructions per second (MIPS), confirmed in Section 4.3.3 of the datasheet under PLL timing specifications.

Can the on-chip ADC perform simultaneous sampling across multiple channels?

No. The 10-bit ADC uses a single SAR converter with multiplexed inputs. It supports sequential conversion of up to 8 channels in programmable order, with minimum conversion time of 10 µs per channel at maximum clock rate, but lacks true simultaneous sampling capability.

Is the embedded voltage regulator adjustable or fixed-output?

The embedded regulator provides a fixed 2.5 V output for the core logic domain. Its output is not user-adjustable; regulation accuracy is ±3% over temperature and supply voltage range, as specified in Section 4.2.2 of the datasheet under supply threshold characteristics.