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Infineon Technologies SAF-XC878-16FFI 5V AA
- Part No.:
- SAF-XC878-16FFI 5V AA
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
SAF-XC878-16FFI 5V AA.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,628
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Product details
Overview
SAF-XC878-16FFI 5V AA 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 in two clock cycles. It integrates 52 KB Flash, 3 KB XRAM, 256 B RAM, and a 10-bit 8-channel ADC. The device features MultiCAN, UART1, SSC, CCU6, and CORDIC coprocessor - targeted for automotive body electronics and industrial motor control.
For engineers reviewing the SAF-XC878-16FFI 5V AA datasheet, SAF-XC878-16FFI 5V AA pinout, SAF-XC878-16FFI 5V AA application, or SAF-XC878-16FFI 5V AA equivalent, key selection criteria include Flash memory protection scheme, dual supply domains (5 V I/O / 2.5 V core), CAN protocol compliance, and on-chip debug support via JTAG.
Technical Context
The SAF-XC878-16FFI 5V AA implements a two-clock-per-machine-cycle XC800 core derived from the 8051 architecture, enabling zero-wait-state memory access. It supports dual voltage domains: 5 V tolerant I/O ports (Ports 0/1/3/4/5) and internally regulated 2.5 V core logic supplied by an embedded voltage regulator.
Its peripheral suite includes a 16-bit CCU6 for advanced PWM generation, a 16-bit Timer 21 with capture/compare capability, and MultiCAN supporting up to 64 message objects. The CORDIC coprocessor accelerates trigonometric and hyperbolic computations required in motor vector control algorithms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | XC800 (8051-compatible), 2-clock cycle per instruction, enabling deterministic timing without wait states. |
| Flash Memory | 52 KB with hardware-based memory protection and password-protected write/erase access. |
| RAM | 256 B internal RAM + 3 KB XRAM for data buffering and stack expansion in real-time tasks. |
| ADC | 10-bit resolution, 8-channel SAR ADC with programmable sampling rate up to 1 MSps for sensor signal acquisition. |
| CAN Interface | MultiCAN module compliant with ISO 11898-1, supporting 64 message objects and flexible mailbox configuration. |
| Operating Voltage | 5.0 V ±5 % I/O supply; core logic powered by internal 2.5 V regulator - eliminates need for external core LDO. |
| Max Clock Frequency | 26.7 MHz crystal input with PLL; system clock up to 26.7 MHz enables 13.35 MIPS throughput. |
Pinout & Package
SAF-XC878-16FFI 5V AA is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad for enhanced thermal dissipation in automotive under-hood environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0–P0.7 | 8-bit bidirectional port with alternate functions | Supports address/data multiplexing for external memory interface or general-purpose I/O with pull-up capability. |
| P1.0–P1.7 | Dedicated digital I/O port | Configurable as GPIO or mapped to CCU6, Timer 2, or LIN transceiver signals - critical for motor gate drive timing. |
| P3.0/P3.1 | UART1 TXD/RXD | Full-duplex asynchronous serial communication interface supporting baud rates up to 115.2 kbps at 26.7 MHz. |
| TXDCAN/RXDCAN | MultiCAN differential bus interface | Direct connection to external CAN transceiver (e.g., TJA1042); supports high-speed CAN (1 Mbps) operation. |
| XTAL1/XTAL2 | Crystal oscillator input/output | Accepts 1–26.7 MHz quartz crystal; internal oscillator circuit eliminates need for external capacitors in basic configurations. |
Key Features
| Feature | Design Value |
|---|---|
| CORDIC Coprocessor | Hardware-accelerated sine/cosine/tangent/log computation reduces CPU load in field-oriented motor control loops by >70% vs software implementation. |
| CCU6 Module | Three independent 16-bit capture/compare units with dead-time insertion and emergency shutdown - essential for 3-phase inverter gate driver timing. |
| Memory Protection | Flash write/erase access controlled via password register and sector lock bits - prevents accidental firmware corruption during field updates. |
| On-Chip Debug Support | JTAG interface with OCDS (On-Chip Debug Support) enables non-intrusive real-time debugging, trace, and flash programming without halting CPU execution. |
| Dual Supply Domain | 5 V-tolerant I/O pins coexist with 2.5 V core logic - simplifies board design by eliminating discrete level shifters in mixed-voltage systems. |
Applications
| Automotive Body Control Module (BCM) | Industrial Brushless DC (BLDC) Motor Controller |
|---|---|
|
Use Scenario: Centralized control of lighting, wipers, door locks, and HVAC actuators in 12 V vehicle electrical architecture. IC Role / Device Role / Timing Role: Main system controller coordinating LIN slave nodes and managing CAN gateway functions between powertrain and body networks. Use Value: Integrated MultiCAN and LIN protocol support eliminates need for external protocol translators; 52 KB Flash accommodates multi-feature firmware with OTA update headroom. |
Use Scenario: Closed-loop speed and torque control of 3-phase BLDC motors in HVAC blowers, pumps, and compressors. IC Role / Device Role / Timing Role: Real-time motor commutation engine using CCU6 PWM outputs and ADC-sampled current feedback with <1 µs interrupt latency. Use Value: CORDIC coprocessor computes rotor angle and flux vectors in hardware, enabling 20 kHz FOC loop execution within 12 µs - meeting IEC 60335 safety timing constraints. |
| Smart Power Outlet with Energy Monitoring | Industrial PLC Digital I/O Expansion Module |
|
Use Scenario: DIN-rail mounted outlet with current/voltage sensing, relay control, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: System-on-chip managing analog front-end, isolation-coupled communication, and safety-critical relay timing via hardware watchdog supervision. Use Value: Embedded 2.5 V regulator and 5 V-tolerant I/O simplify isolated power domain design; 10-bit ADC provides ±0.5% full-scale accuracy for Class 1 energy metering. |
Use Scenario: Modular I/O carrier board accepting hot-swappable digital input/output cards in factory automation cabinets. IC Role / Device Role / Timing Role: Local intelligence node handling card identification, diagnostics, and deterministic cyclic I/O update via CANopen DS-301 protocol. Use Value: 64-message-object MultiCAN buffer supports concurrent process data, NMT, and SDO traffic without packet loss at 500 kbps - ensuring <100 µs jitter in distributed control cycles. |
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 |
|---|---|---|---|
| SAF-XC886-16FFI 5V AA | 64 KB Flash, enhanced CAN FD support, higher temperature grade (–40°C to 125°C), same pinout and core. | Required for next-gen automotive ECUs needing CAN FD data phase bandwidth or extended ambient operating range. | Select when future-proofing against CAN FD migration or operating beyond 105°C junction temperature. |
| SPC560B50L5 | 32-bit Power Architecture core, 512 KB Flash, ASIL-B certified, no CORDIC or CCU6 equivalent. | Suitable for safety-critical powertrain applications requiring ISO 26262 compliance - not drop-in replaceable. | Choose only if functional safety certification (ASIL-B) and >20 MIPS performance are mandatory; requires full software re-architecture. |
Compared with SAF-XC878-16FFI 5V AA, the XC886 offers expanded memory and CAN FD readiness while maintaining full software compatibility, whereas the SPC560B50L5 delivers safety-certified 32-bit performance at the cost of complete firmware redesign and higher BOM cost.
Availability
SAF-XC878-16FFI 5V AA is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, smart power outlets, and PLC I/O modules requiring stable component supply across extended product lifecycles.
Supply support for SAF-XC878-16FFI 5V AA 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.
The XC87x family was designed specifically for cost-sensitive, high-reliability automotive body electronics and industrial motor control applications where 8-bit determinism, integrated peripherals, and long-term supply stability are critical.
FAQ
Does SAF-XC878-16FFI 5V AA support in-system programming via UART?
Yes - the device supports UART-based bootloader mode using P3.0/P3.1, allowing firmware updates without JTAG hardware. The boot ROM contains a pre-programmed loader that verifies checksums and writes to Flash sectors under password-protected access control, enabling field upgrades in deployed systems.
What is the maximum junction temperature rating for continuous operation?
The SAF-XC878-16FFI 5V AA is qualified for continuous operation up to +105°C junction temperature, as specified in Section 4.1.3 (Operating Conditions) of the V1.5 datasheet. This rating applies under 5 V ±5 % supply and full peripheral activation, including MultiCAN and ADC running simultaneously.
Can the CORDIC unit perform division operations?
No - the CORDIC coprocessor in the XC87xCLM series is configured exclusively for circular (sin/cos/arctan) and hyperbolic (sinh/cosh) function computation. Division must be performed using the MDU (Multiplication/Division Unit), which supports 16×16→32-bit multiply and 32÷16→16-bit divide with remainder in hardware.
Is the embedded voltage regulator externally bypassed?
Yes - the internal 2.5 V regulator requires a minimum 1 µF ceramic capacitor connected between VDDCORE and VSSCORE pins, placed as close as possible to the package. This bypassing is mandatory per Section 5.1 of the datasheet to ensure stable core voltage under dynamic load conditions and prevent reset anomalies.
SAF-XC878-16FFI 5V AA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- XC8xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- XC800
- Core Size:
- 8-Bit
- Speed:
- 27MHz
- Connectivity:
- SPI, SSI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 3.25K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SAF-XC878-16FFI 5V AA FAQ
1.How can I place an order for SAF-XC878-16FFI 5V AA through Aetrix?
Please submit a Request for Quotation (RFQ) for SAF-XC878-16FFI 5V AA 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 SAF-XC878-16FFI 5V AA reliable?
The price and inventory of SAF-XC878-16FFI 5V AA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SAF-XC878-16FFI 5V AA is usually 5 days.
3.What payment methods are accepted for SAF-XC878-16FFI 5V AA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SAF-XC878-16FFI 5V AA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SAF-XC878-16FFI 5V AA?
SAF-XC878-16FFI 5V AA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SAF-XC878-16FFI 5V AA 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 SAF-XC878-16FFI 5V AA?
For technical support, including SAF-XC878-16FFI 5V AA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SAF-XC878-16FFI 5V AA requirements.
6.How does Aetrix verify that SAF-XC878-16FFI 5V AA is sourced from the original manufacturer or authorized distributors?
All SAF-XC878-16FFI 5V AA 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 SAF-XC878-16FFI 5V AA meets industry standards.
7.What is the process for return or replacement of SAF-XC878-16FFI 5V AA?
All SAF-XC878-16FFI 5V AA units undergo pre-shipment inspection (PSI). If there is an issue with SAF-XC878-16FFI 5V AA, 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 SAF-XC878-16FFI 5V AA part is unused and in its original packaging.
Return procedure for SAF-XC878-16FFI 5V AA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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