My Inquiry
My Account
Infineon Technologies XC866L1FRAABKXUMA1
- Part No.:
- XC866L1FRAABKXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 38-TFSOP (0.173", 4.40mm Width)
- Datasheet:
-
XC866L1FRAABKXUMA1.pdf
- Description:
- IC MCU 8BIT 4KB FLASH 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,802
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
XC866L1FRAABKXUMA1 from Infineon Technologies is an 8-bit single-chip microcontroller based on the XC800 core (8051-compatible), featuring 4 KB of program Flash, 4 KB of data Flash, and integrated LIN Bootloader support. It operates at 5 V supply, includes 8-channel 10-bit ADC, three 16-bit timers, CCU6 capture/compare unit for PWM, UART, SSC, and on-chip debug support via 1 KB monitor ROM. Used in automotive body control modules requiring LIN communication and deterministic real-time I/O.
For engineers reviewing the XC866L1FRAABKXUMA1 datasheet, XC866L1FRAABKXUMA1 pinout, XC866L1FRAABKXUMA1 application, or XC866L1FRAABKXUMA1 equivalent, this page delivers verified technical context, package mapping to PG-TSSOP-38, functional role in LIN-node firmware execution, memory protection scheme details, and validated alternative options for automotive-grade 8-bit MCU migration paths.
Technical Context
The XC866L1FRAABKXUMA1 implements a two-clock-per-machine-cycle 8051-compatible core with dual data pointers and embedded 2.5 V core regulator supplied from 5 V VDD. Its LIN Bootloader (LIN BSL) supports Class B compliance and flash reprogramming over LIN bus without external debugger.
It integrates a 16-bit CCU6 module with dead-time control and shadow registers for motor control PWM, plus a 10-bit ADC with hardware-triggered sampling synchronized to timer overflow events - enabling precise sensor acquisition in closed-loop automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | XC800 8-bit (8051-compatible), 2 clocks/machine cycle → zero-wait-state memory access |
| Program Memory | 4 KB P-Flash + 4 KB D-Flash → separate code/data storage with independent erase/write |
| ADC Resolution | 10-bit SAR with 8 channels → supports voltage/current sensing in HVAC actuators and lighting drivers |
| Timers | Three 16-bit timers (T0/T1/T2) + CCU6 → enables multi-phase PWM generation and input capture for RPM measurement |
| LIN Support | Built-in LIN Bootloader (LIN BSL) → enables field firmware updates via LIN 2.1 physical layer without external tooling |
| Supply Voltage | 5.0 V ±10% VDD, 2.5 V internal core rail → compatible with standard automotive 5 V domains and noise-tolerant operation |
| Operating Temp | –40 °C to 125 °C (SAK grade) → qualified for under-hood automotive applications per AEC-Q100 Grade 1 |
Pinout & Package
XC866L1FRAABKXUMA1 is housed in a PG-TSSOP-38 (Thermally Enhanced Thin Shrink Small Outline Package) with 38 leads, 0.65 mm pitch, and exposed thermal pad for enhanced heat dissipation in automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDP | Digital & peripheral power supply | VDD = 5 V main supply; VDDP = dedicated 5 V for port I/O and analog peripherals → ensures stable GPIO drive and ADC reference |
| VSS, VSSP | Digital & peripheral ground | Separate ground returns minimize coupling between digital switching noise and analog conversion paths |
| XTAL1/XTAL2 | Crystal oscillator inputs | Supports 1–20 MHz external crystal → enables precise timing for LIN baud rate generation (19.2 kbps nominal) |
| P0.0–P0.7 | Port 0 bidirectional I/O | 8-bit port with alternate functions including UART RXD/TXD, SSC SCLK/MOSI/MISO, and ADC inputs → flexible peripheral multiplexing |
| P1.0–P1.7 | Port 1 bidirectional I/O | Includes CCU6 channel outputs (CC60–CC63), EXINT0, and WDT reset → direct connection to motor gate drivers and safety monitoring inputs |
| P2.0–P2.4 | Port 2 digital I/O | 5-bit port supporting LIN TX/RX (via P2.0/P2.1), Timer 2 inputs, and general-purpose control signals |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up → compatible with external watchdog ICs and power supervisor circuits |
Key Features
| Feature | Design Value |
|---|---|
| LIN Bootloader (LIN BSL) | Pre-programmed ROM-based bootloader supporting LIN 2.1 frame handling, flash checksum verification, and secure reprogramming without external debugger |
| Memory Protection | Hardware-enforced write/erase protection for Flash sectors and register bit fields (e.g., PASSWD.PASS) → prevents accidental corruption during runtime or update |
| CCU6 PWM Unit | 16-bit capture/compare unit with dead-time insertion, shadow transfer, and fault input (CCU6.FLTI) → enables safe 3-phase inverter control |
| On-chip Debug Support | 1 KB monitor ROM + 64 B monitor RAM → enables in-system debugging via UART using Infineon DAS tools without JTAG header |
| Power Management | Three low-power modes (slow-down, idle, power-down) with wake-up via RXD or EXINT0 → extends battery life in always-on LIN nodes |
Applications
| Body Control Module (BCM) | Seat Position Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Primary LIN slave node executing application firmware, managing GPIO-driven relays and reading potentiometer feedback via ADC. Use Value: Integrated LIN BSL enables OEM-level firmware updates over vehicle LIN network; 4 KB D-Flash stores calibration data across vehicle lifetime. |
Use Scenario: Motorized adjustment of driver/passenger seat position with end-stop detection and memory recall. IC Role / Device Role / Timing Role: Real-time motor control node using CCU6 PWM outputs and ADC-sampled hall sensor inputs for closed-loop position tracking. Use Value: Hardware CCU6 dead-time control prevents shoot-through in H-bridge drivers; 10-bit ADC resolves <1 mm seat displacement. |
| Roof Module (Sunroof/Blind Control) | Steering Column Switch Interface |
Use Scenario: Bidirectional control of sunroof glass and fabric blind with obstacle detection and soft-stop logic. IC Role / Device Role / Timing Role: LIN slave MCU acquiring current-sense ADC readings and generating variable-duty PWM to DC motors. Use Value: Power-down mode with RXD wake-up allows <10 µA standby current while maintaining LIN responsiveness for remote activation. |
Use Scenario: Aggregation of multifunction switch inputs (cruise, audio, phone) and transmission over LIN to head unit. IC Role / Device Role / Timing Role: Low-latency input scanner using Port 1 interrupt pins (EXINT0) and UART-LIN interface for deterministic message scheduling. Use Value: Dual data pointers accelerate switch matrix scanning; 256 B RAM supports debounce buffers and LIN message queueing without external SRAM. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit LIN slave microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAK-XC866-2FRA | 8 KB P-Flash + 4 KB D-Flash; same package, core, and LIN BSL → larger code space for complex diagnostics | Supports extended UDS services and EEPROM emulation without external memory | Select when >4 KB application code size or future diagnostic expansion is required |
| TLF35584ESV33 | System Basis Chip (SBC) with integrated LIN transceiver and voltage regulators - no MCU core | Requires companion MCU (e.g., XC800 family) for firmware execution; provides physical layer only | Select when separating LIN PHY and MCU functions improves design flexibility or EMI isolation |
Compared with SAK-XC866-2FRA, XC866L1FRAABKXUMA1 trades flash capacity for cost-optimized footprint in fixed-function LIN nodes; versus TLF35584ESV33, it integrates full firmware execution capability eliminating need for external MCU coordination.
Availability
XC866L1FRAABKXUMA1 is available at Aetrix Electronics and suitable for automotive body electronics, LIN-based sensor nodes, and industrial control panels requiring stable component supply, AEC-Q100-compliant operation, and long-term production continuity.
Supply support for XC866L1FRAABKXUMA1 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 microcontrollers, with global R&D and manufacturing infrastructure.
The XC866 belongs to the XC800 family - designed specifically for cost-sensitive, real-time automotive applications requiring LIN connectivity, robust flash memory, and integrated analog peripherals.
FAQ
Does XC866L1FRAABKXUMA1 support CAN communication?
No. XC866L1FRAABKXUMA1 does not include a CAN controller or transceiver. It features UART and SSC interfaces, with LIN protocol support implemented in firmware via the integrated LIN Bootloader and GPIO-timed bit-banging or UART-assisted LIN framing. CAN functionality requires external transceivers and software stack implementation beyond device capability.
What is the purpose of the VDDP pin?
VDDP supplies 5 V to Port 0, Port 1, and analog peripherals (ADC, comparators), decoupled from the main VDD rail. This separation maintains stable I/O drive strength and ADC reference integrity during high-current digital switching on other ports, improving noise immunity in mixed-signal automotive environments.
Is the LIN Bootloader field-upgradable?
Yes. The LIN Bootloader (LIN BSL) is factory-programmed into ROM and cannot be overwritten. It remains permanently available for firmware updates over the LIN bus using standardized LIN frames (e.g., Upload/Download methods per LIN 2.1), even after application code corruption or flash wear-out.
How is memory protection enforced on XC866L1FRAABKXUMA1?
Memory protection is implemented via hardware lock bits in the Flash Control Register (FCON) and password-protected access to critical registers (e.g., PASSWD.PASS). Write/erase operations to protected Flash sectors require correct password sequence and privilege level, preventing unintended modification during runtime or debugging sessions.
XC866L1FRAABKXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 38-TFSOP (0.173", 4.40mm Width)
- Series:
- XC8xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- XC800
- Core Size:
- 8-Bit
- Speed:
- 86MHz
- Connectivity:
- LINbus, SSI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 19
- Program Memory Size:
- 4KB (4K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 768 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:
XC866L1FRAABKXUMA1 FAQ
1.How can I place an order for XC866L1FRAABKXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XC866L1FRAABKXUMA1 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 XC866L1FRAABKXUMA1 reliable?
The price and inventory of XC866L1FRAABKXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC866L1FRAABKXUMA1 is usually 5 days.
3.What payment methods are accepted for XC866L1FRAABKXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC866L1FRAABKXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC866L1FRAABKXUMA1?
XC866L1FRAABKXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC866L1FRAABKXUMA1 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 XC866L1FRAABKXUMA1?
For technical support, including XC866L1FRAABKXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC866L1FRAABKXUMA1 requirements.
6.How does Aetrix verify that XC866L1FRAABKXUMA1 is sourced from the original manufacturer or authorized distributors?
All XC866L1FRAABKXUMA1 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 XC866L1FRAABKXUMA1 meets industry standards.
7.What is the process for return or replacement of XC866L1FRAABKXUMA1?
All XC866L1FRAABKXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XC866L1FRAABKXUMA1, 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 XC866L1FRAABKXUMA1 part is unused and in its original packaging.
Return procedure for XC866L1FRAABKXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
XC866L1FRAABKXUMA1 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
