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Infineon Technologies XC8866FFA5VACKXUMA1
- Part No.:
- XC8866FFA5VACKXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
XC8866FFA5VACKXUMA1.pdf
- Description:
- IC MCU 8BIT 24KB FLASH 48TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,042
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Product details
Overview
XC8866FFA5VACKXUMA1 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 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, UART, MultiCAN, 10-bit 8-channel ADC, CCU6, SSC, and on-chip debug via JTAG - deployed in automotive body electronics and industrial motor control.
For engineers reviewing the XC8866FFA5VACKXUMA1 datasheet, XC8866FFA5VACKXUMA1 pinout, XC8866FFA5VACKXUMA1 application, or XC8866FFA5VACKXUMA1 equivalent, key selection criteria include Flash size (24 KB), dual-voltage I/O capability, integrated MultiCAN controller, LIN protocol support, and embedded voltage regulator enabling single-supply operation.
Technical Context
The XC8866FFA5VACKXUMA1 implements a two-clock-cycle-per-machine-cycle 8051-compatible CPU core with dual data pointers and hardware multiplication/division (MDU) plus CORDIC coprocessor for trigonometric computation. Its memory architecture includes protected Flash/ROM with sector-based programming, boot ROM for secure startup, and XRAM for extended data space.
It features a multi-protocol communication subsystem: one UART, one UART1, one SSC (synchronous serial), and a full MultiCAN 2.0B controller supporting up to 64 message objects. The analog subsystem includes a 10-bit 8-channel ADC with configurable conversion sequence and trigger sources including CCU6 and timer overflows.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | XC800 8-bit core, 8051-compatible, 2-clock-cycle execution for zero-wait-state memory access |
| Flash Memory | 24 KB on-chip Flash with sector protection, used for program storage and firmware updates |
| Boot ROM | 12 KB mask-programmed ROM containing bootloader and system initialization routines |
| RAM | 256 B internal RAM + 1.5 KB XRAM for stack, variables, and peripheral buffers |
| I/O Voltage | Port 0–3 configurable for 3.3 V or 5.0 V operation; core logic powered at 2.5 V by integrated regulator |
| ADC | 10-bit resolution, 8-channel SAR ADC with programmable sampling time and hardware-triggered sequencing |
| Communication | MultiCAN 2.0B (64 message objects), UART/UART1, SSC master/slave, LIN 2.1 header detection and transmission |
Pinout & Package
XC8866FFA5VACKXUMA1 is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad, qualified for industrial temperature range (–40 °C to +125 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0–P0.7 | Port 0 bidirectional I/O / AD0–AD7 | 8-bit quasi-bidirectional port; multiplexed with lower address/data bus during external memory access |
| P1.0–P1.7 | Port 1 bidirectional I/O | General-purpose digital I/O with alternate functions including CCU6 channels, timer inputs, and LIN transceiver interface |
| P2.0–P2.7 | Port 2 bidirectional I/O / A8–A15 | Upper address bus during external memory access; otherwise general I/O with CAN TX/RX and UART1 signals |
| P3.0–P3.7 | Port 3 bidirectional I/O | Dedicated alternate functions: RXD/TXD (UART), INT0/INT1, T0/T1, WR/RD, and reset input |
| VDDIO | I/O power supply | Accepts 3.3 V or 5.0 V; sets logic level for Port 0–3 and peripheral I/O pins |
| VDDCORE | Core power supply | Internally regulated 2.5 V output from embedded voltage regulator; powers CPU and internal logic |
| XTAL1/XTAL2 | Crystal oscillator input/output | Supports external crystal (1–20 MHz) or ceramic resonator; drives on-chip PLL for system clock generation |
| TCK/TMS/TDO/TDI | JTAG debug interface | Enables on-chip debugging, flash programming, and boundary-scan testing per IEEE 1149.1 |
Key Features
| Feature | Design Value |
|---|---|
| Embedded voltage regulator | Generates stable 2.5 V core supply from single 3.3 V or 5.0 V rail - eliminates need for external core LDO |
| MultiCAN controller | Full CAN 2.0B compliance with 64 message objects, mailbox prioritization, and error confinement - suitable for distributed automotive networks |
| LIN 2.1 support | Hardware-assisted LIN header detection and synchronization without CPU intervention - reduces timing jitter and firmware overhead |
| CORDIC coprocessor | Accelerates sine/cosine/arctan and magnitude calculations in <1 µs - enables real-time motor angle estimation in field-oriented control |
| Memory protection | Flash sector lock bits and password-protected write/erase prevent unauthorized firmware modification or accidental corruption |
Applications
| Automotive Body Control Module | Industrial BLDC Motor Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and mirrors in passenger vehicles. IC Role / Device Role / Timing Role: Main system MCU managing LIN slave nodes, PWM-driven actuators, and CAN gateway functions. Use Value: Integrated LIN and MultiCAN reduce external transceiver count; dual-voltage I/O simplifies interface to 12 V sensors and 5 V displays. |
Use Scenario: Closed-loop commutation and current regulation for 3-phase brushless DC motors in HVAC blowers and pumps. IC Role / Device Role / Timing Role: Real-time motor control unit executing FOC algorithms using CORDIC and CCU6 PWM outputs. Use Value: Hardware CORDIC offloads angle computation; CCU6 provides synchronized 3-phase PWM with dead-time insertion and fault shutdown. |
| Smart Power Outlet with CAN Interface | Industrial Sensor Hub with LIN Subnet |
Use Scenario: DIN-rail mounted outlet monitoring load current, temperature, and reporting status over CAN bus. IC Role / Device Role / Timing Role: System controller acquiring ADC samples, executing safety checks, and transmitting CAN messages at 500 kbps. Use Value: 10-bit ADC with hardware triggers ensures precise current sensing; MultiCAN handles deterministic messaging in noisy factory environments. |
Use Scenario: Aggregation node collecting data from multiple LIN-connected temperature, humidity, and pressure sensors in manufacturing cells. IC Role / Device Role / Timing Role: LIN master coordinating polling and forwarding sensor data via UART to host PLC. Use Value: Dedicated LIN hardware enables accurate baud-rate detection and header sync - critical for reliable multi-node timing in daisy-chain topologies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XC886CLM-8FRA | Same XC800 core, identical pinout, but 32 KB Flash and no Boot ROM - requires external bootloader | Suitable for designs needing larger code space and custom boot flow, not drop-in replacement for ROM-dependent secure boot | Select when firmware size exceeds 24 KB and secure bootloader is implemented externally |
| SAK-TC1766-512F133HR BA | TriCore 32-bit architecture, 133 MHz, 512 KB Flash - significantly higher performance and integration | Targets complex real-time control (e.g., engine management); overqualified for basic LIN/CAN gateway tasks | Choose only when migrating to 32-bit platform or requiring ASIL-B functional safety certification |
Compared with XC8866FFA5VACKXUMA1, the XC886CLM-8FRA offers more Flash but lacks Boot ROM for secure startup, while the TC1766 delivers far greater compute throughput at higher cost and design complexity - making the XC8866FFA5VACKXUMA1 optimal for cost-sensitive, ROM-dependent automotive body electronics.
Availability
XC8866FFA5VACKXUMA1 is available at Aetrix Electronics and suitable for automotive body control modules, industrial BLDC motor controllers, and smart power outlets requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for XC8866FFA5VACKXUMA1 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 of 8-bit microcontrollers designed specifically for cost-optimized, real-time automotive and industrial control applications requiring mixed-signal integration and robust communication peripherals.
FAQ
Does XC8866FFA5VACKXUMA1 support CAN FD?
No. XC8866FFA5VACKXUMA1 integrates a MultiCAN 2.0B controller compliant with ISO 11898-1:2003, supporting only classical CAN with up to 1 Mbps bit rate and 11-bit identifiers. It does not implement CAN FD features such as flexible data-rate, extended data length, or CRC enhancements.
What is the maximum operating frequency of the CPU core?
The XC8866FFA5VACKXUMA1 CPU core operates at up to 26.67 MHz derived from the PLL, which accepts input frequencies from 1 MHz to 20 MHz. At this frequency, the two-clock-cycle architecture achieves 13.33 MIPS performance with zero wait states for internal memory access.
Can the embedded voltage regulator be bypassed?
No. The embedded voltage regulator is mandatory for core operation and cannot be disabled or bypassed. VDDCORE must be connected to the regulator output pin; applying external 2.5 V directly is not supported and may damage the device per Absolute Maximum Ratings in Section 4.1.2 of the datasheet.
Is there hardware support for AES or other cryptographic functions?
No. XC8866FFA5VACKXUMA1 does not include dedicated cryptographic accelerators or hardware AES engines. Security relies on software-implemented algorithms and memory protection features like Flash sector locking and password-protected write/erase operations.
XC8866FFA5VACKXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-LQFP
- Series:
- XC8xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- XC800
- Core Size:
- 8-Bit
- Speed:
- 24MHz
- Connectivity:
- SSI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 34
- Program Memory Size:
- 24KB (24K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1.75K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
XC8866FFA5VACKXUMA1 FAQ
1.How can I place an order for XC8866FFA5VACKXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XC8866FFA5VACKXUMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for XC8866FFA5VACKXUMA1 reliable?
The price and inventory of XC8866FFA5VACKXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC8866FFA5VACKXUMA1 is usually 5 days.
3.What payment methods are accepted for XC8866FFA5VACKXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC8866FFA5VACKXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC8866FFA5VACKXUMA1?
XC8866FFA5VACKXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC8866FFA5VACKXUMA1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for XC8866FFA5VACKXUMA1?
For technical support, including XC8866FFA5VACKXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC8866FFA5VACKXUMA1 requirements.
6.How does Aetrix verify that XC8866FFA5VACKXUMA1 is sourced from the original manufacturer or authorized distributors?
All XC8866FFA5VACKXUMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that XC8866FFA5VACKXUMA1 meets industry standards.
7.What is the process for return or replacement of XC8866FFA5VACKXUMA1?
All XC8866FFA5VACKXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XC8866FFA5VACKXUMA1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The XC8866FFA5VACKXUMA1 part is unused and in its original packaging.
Return procedure for XC8866FFA5VACKXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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