Infineon Technologies XC886C6FFA5VACFXUMA1

Overview

XC886C6FFA5VACFXUMA1 from Infineon Technologies is an 8-bit single-chip microcontroller based on the XC800 core, compatible with the 8051 instruction set and executing instructions in two clock cycles. It integrates 24 KB Flash, 12 KB Boot ROM, 256 B RAM, and 1.5 KB XRAM, with dual-voltage I/O (3.3 V or 5.0 V) and 2.5 V core supply via embedded regulator. It supports CAN 2.0B (MultiCAN), LIN, UART, SSC, 10-bit 8-channel ADC, CCU6, and CORDIC coprocessor - deployed in automotive body control modules requiring deterministic real-time response.

For engineers reviewing the XC886C6FFA5VACFXUMA1 datasheet, XC886C6FFA5VACFXUMA1 pinout, XC886C6FFA5VACFXUMA1 application, or XC886C6FFA5VACFXUMA1 equivalent, key selection criteria include MultiCAN interface support, on-chip LIN baud rate detection, flash memory protection scheme, 10-bit ADC conversion timing (max 10.5 µs), and JTAG-based on-chip debug support for production firmware validation.

Technical Context

The XC886C6FFA5VACFXUMA1 implements a two-clock-per-machine-cycle XC800 core derived from the 8051 architecture, enabling zero-wait-state memory access. It features a dedicated 16-bit Capture/Compare Unit (CCU6) for motor control PWM generation and a CORDIC coprocessor for real-time trigonometric computation without software overhead.

Its clock system includes an on-chip oscillator with ±2% short-term deviation at 25 °C, configurable PLL for CPU clock scaling, and independent clock domains for peripheral modules including MultiCAN, SSC, and ADC - all managed via the Clock Generation Unit (CGU) with dynamic power gating.

Key Specifications

Pinout & Package

XC886C6FFA5VACFXUMA1 is housed in a 64-pin LQFP package (10 × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined across six bidirectional I/O ports (P0–P5), each supporting multiple alternate functions including CAN TX/RX, LIN, UART, SSC, ADC inputs, and CCU6 PWM outputs.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC886C6FFA5VACFXUMA1, the XC886CLM-8FRA5VACFXUMA1 trades Boot ROM for extra Flash but increases firmware development risk, while the TC1766 offers safety-certified scalability at the cost of complete redesign - making the original part optimal for cost-constrained, ROM-dependent automotive body control nodes.

Availability

XC886C6FFA5VACFXUMA1 is available at Aetrix Electronics and suitable for automotive door modules, seat position controllers, roof control units, and smart rearview mirror ECUs requiring stable component supply, long-lifecycle support, and AEC-Q100 qualified silicon.

Supply support for XC886C6FFA5VACFXUMA1 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 - designed specifically for cost-sensitive, real-time automotive body electronics applications requiring integrated CAN/LIN, motor control peripherals, and robust flash memory protection.

FAQ

Does XC886C6FFA5VACFXUMA1 support CAN FD?

No. The device implements MultiCAN compliant with ISO 11898-1:2003 (Classical CAN 2.0B only), supporting bit rates up to 1 Mbps and 64 message objects. It lacks CAN FD protocol stack hardware, arbitration field extension, and flexible data-length payload support required for CAN FD operation.

What is the maximum ADC sampling rate and how is it achieved?

The ADC achieves up to 95 kSPS maximum sampling rate using internal RC oscillator at 12 MHz and shortest conversion time of 10.5 µs per 10-bit sample. This rate is sustained in auto-scan mode across all 8 channels when triggered by Timer2 overflow, with no CPU overhead for channel sequencing or result storage.

Is the embedded voltage regulator externally bypassed, and what capacitor value is required?

Yes. The 2.5 V core regulator requires a 1 µF ceramic capacitor between VDDCORE and VSS pins, placed within 5 mm of the package, as specified in Section 5.1 of the datasheet. This ensures stability under transient load conditions typical in motor driver switching environments.

Can the CORDIC unit operate concurrently with CPU execution?

Yes. The CORDIC coprocessor operates asynchronously to the CPU and uses dedicated registers (CORDICxR). When initiated, it executes sine/cosine/arctan operations in ≤20 clock cycles without stalling the pipeline, allowing simultaneous background computation and foreground control loop execution.