Infineon Technologies XC886C8FFI5VACFXUMA1

Overview

XC886C8FFI5VACFXUMA1 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 24 KB Flash memory, 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 generated internally. It supports LIN, MultiCAN, UART, SSC, 10-bit 8-channel ADC, CCU6, and on-chip debug via JTAG - deployed in automotive body control modules and industrial motor drive interfaces.

For engineers reviewing the XC886C8FFI5VACFXUMA1 datasheet, XC886C8FFI5VACFXUMA1 pinout, XC886C8FFI5VACFXUMA1 application, or XC886C8FFI5VACFXUMA1 equivalent, key selection criteria include Flash size (24 KB), LIN/UART1/SSC peripheral integration, 10-bit ADC resolution with 8 input channels, embedded voltage regulator enabling single-supply operation, and JTAG-based on-chip debug support for firmware development and validation.

Technical Context

The XC886C8FFI5VACFXUMA1 implements a two-clock-per-machine-cycle 8051-compatible CPU core with dual data pointers and hardware multiplication/division (MDU) plus CORDIC coprocessor for efficient trigonometric computation. Its memory architecture separates program (Flash/ROM), data (RAM/XRAM), and boot code (12 KB ROM) with configurable protection schemes including password-protected flash sectors and bit-level write protection.

Peripheral integration includes a 16-bit CCU6 for PWM generation in motor control, MultiCAN v2.0B controller supporting up to 16 message objects, LIN 2.1-compliant UART1 with automatic baud rate detection, and a synchronous serial interface (SSC) operating in master or slave mode with programmable clock polarity and phase - all synchronized to a flexible clock tree derived from internal RC oscillator, external crystal (1–20 MHz), or PLL-multiplied sources.

Key Specifications

Pinout & Package

XC886C8FFI5VACFXUMA1 is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad, rated for industrial and automotive environments. Pin functions are defined across six bidirectional I/O ports (P0–P5), each supporting multiple alternate functions including CANH/CANL, LIN_TX/RX, SSC_MOSI/MISO/SCLK, ADC_IN0–IN7, CCU6 channels, and JTAG_TCK/TMS/TDI/TDO.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC886C8FFI5VACFXUMA1, the XC888 variant offers scalable Flash headroom within identical packaging and toolchain compatibility, whereas the TC1766 introduces architectural discontinuity, higher power consumption, and loss of hardware LIN acceleration - making it unsuitable for cost-sensitive, LIN-centric designs.

Availability

XC886C8FFI5VACFXUMA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor drives, smart power outlets, and sensor hubs requiring stable component supply across extended product lifecycles.

Supply support for XC886C8FFI5VACFXUMA1 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-optimized, high-reliability automotive and industrial control applications requiring integrated LIN, CAN, and motor control peripherals in an 8-bit footprint.

FAQ

Does XC886C8FFI5VACFXUMA1 support CAN FD?

No. The MultiCAN module in this device implements CAN 2.0B specification only, supporting up to 1 Mbit/s classical CAN frames with 11-bit identifiers. CAN FD features such as flexible data rate, extended identifiers, and payload lengths beyond 8 bytes are not implemented in the XC886/888CLM series hardware.

What is the maximum ADC sampling rate achievable?

The 10-bit ADC achieves a maximum conversion rate of 100 kSPS under optimal conditions: single-channel, continuous conversion mode, with ADC clock derived from internal RC oscillator at 1.5 MHz and no wait states. Channel switching adds 1.5 μs settling delay per channel change.

Can the embedded voltage regulator be bypassed for external core supply?

No. The internal 2.5 V LDO is not bypassable; VDDCORE is internally connected and must be left unconnected externally. Core logic is powered exclusively through the integrated regulator fed by VDDP (5 V or 3.3 V). External core supply violates the absolute maximum ratings and risks permanent damage.

Is JTAG debug supported in all power-saving modes?

JTAG remains functional in Idle mode but is disabled in Power-down and Standby modes due to clock gating and regulator shutdown. Debug access resumes only after wake-up event triggers full clock restoration and register reinitialization - requiring explicit reconnection to debugger after deep sleep exit.