Infineon Technologies XC878CLM16FFA5VACXXUMA1
- Part No.:
- XC878CLM16FFA5VACXXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
XC878CLM16FFA5VACXXUMA1.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,295
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Product details
Overview
XC878CLM16FFA5VACXXUMA1 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 8-channel 10-bit ADC, targeting automotive body electronics and industrial control systems requiring embedded CAN, LIN, and high-precision analog acquisition.
For engineers reviewing the XC878CLM16FFA5VACXXUMA1 datasheet, XC878CLM16FFA5VACXXUMA1 pinout, XC878CLM16FFA5VACXXUMA1 application, or XC878CLM16FFA5VACXXUMA1 equivalent, key selection criteria include MultiCAN v2.0 compliance, embedded voltage regulator (2.5 V core / 5 V I/O), CCU6 timer for motor control, and on-chip debug support via JTAG.
Technical Context
The XC878CLM16FFA5VACXXUMA1 implements a two-cycle-per-instruction XC800 CPU core with dual data pointers and memory protection via flash lock bits and password-protected register access. Its architecture supports real-time deterministic execution with interrupt latency as low as 4 cycles.
It integrates dedicated hardware accelerators including a 16-bit multiplication/division unit (MDU), CORDIC coprocessor for trigonometric computation, and CCU6 capture/compare unit optimized for three-phase motor control PWM generation with dead-time insertion and emergency shutdown.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | XC800 8-bit CPU, 8051-compatible, 2-clock-cycle instruction execution enabling zero-wait-state memory access. |
| Flash Memory | 52 KB on-chip Flash with memory protection strategy, supporting in-system programming and secure boot ROM (8 KB). |
| RAM Resources | 256 B internal RAM + 3 KB XRAM, enabling efficient stack handling and buffer storage for CAN/LIN protocol stacks. |
| Analog Interface | 10-bit SAR ADC with 8 input channels, programmable sampling rate up to 100 kSPS, used for sensor signal conditioning. |
| Communication Peripherals | MultiCAN v2.0 controller (2 channels), UART/UART1, LIN 2.1 master/slave, SSC synchronous serial interface. |
| Timers & PWM | CCU6 (6-channel PWM), Timer 2/21 (16-bit), Timer 0/1 (16-bit), supporting motor phase control and precise timing in automotive subsystems. |
| Supply Architecture | Single 5 V supply with integrated voltage regulator generating 2.5 V core logic rail; I/O ports configurable for 3.3 V or 5 V operation. |
Pinout & Package
XC878CLM16FFA5VACXXUMA1 is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad, qualified for automotive temperature range (–40 °C to +125 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0–P0.7 | Port 0 bidirectional I/O | Open-drain capable; serves as multiplexed address/data bus during external memory access. |
| P1.0–P1.7 | Port 1 bidirectional I/O | General-purpose digital I/O; P1.6/P1.7 support crystal oscillator (XTAL1/XTAL2) or external clock input. |
| P3.0/P3.1 | UART0 RX/TX | Dedicated full-duplex serial interface pins with programmable baud rate generation via Timer 1. |
| P3.4/P3.5 | CANRX0/CANTX0 | Direct connection to external CAN transceiver; compliant with ISO 11898-2 physical layer requirements. |
| AD0–AD7 | ADC input channels | Eight analog inputs mapped to Port 4 pins; support single-ended or differential conversion modes. |
| VDDP/VSSP | I/O power supply/ground | 5 V tolerant I/O domain; independent from 2.5 V core supply (VDD/VSS) for mixed-voltage system interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| Embedded Voltage Regulator | On-die 2.5 V regulator enables single 5 V supply design, eliminating external core LDO and reducing BOM count. |
| MultiCAN v2.0 Controller | Two independent CAN nodes with message objects, FIFO buffering, and error confinement-supports automotive gateway and ECU applications. |
| CCU6 Capture/Compare Unit | Hardware-based 6-channel center-aligned PWM generator with dead-time control and emergency stop input for BLDC/PMSM motor drives. |
| CORDIC Coprocessor | Accelerates sine/cosine/arctan calculations in <1 µs per operation-enables real-time field-oriented control without software overhead. |
| On-Chip Debug Support | JTAG interface with OCDS (On-Chip Debug Support) allows non-intrusive breakpointing, trace, and live register inspection during development. |
Applications
| Automotive Body Control Module (BCM) | Industrial Motor Drive Controller |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, lighting, and mirror adjustment in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Primary MCU managing LIN slave communication, PWM dimming for LED lighting, and analog sensing of position feedback. Use Value: Integrated LIN 2.1 and CCU6 enable direct actuator control without external timers or transceivers, reducing system cost and PCB area. |
Use Scenario: Closed-loop speed/torque control of 3-phase brushless DC motors in HVAC blowers and pump systems. IC Role / Device Role / Timing Role: Real-time motor commutation engine using CCU6 PWM outputs, ADC for current sensing, and CORDIC for vector rotation. Use Value: Hardware-accelerated math and deterministic timer response ensure <1 µs jitter in PWM edge placement-critical for acoustic noise reduction. |
| Automotive Gateway Node | Smart Power Distribution Unit |
|
Use Scenario: Protocol translation between CAN (powertrain), LIN (sensors), and UART (diagnostics) in vehicle network gateways. IC Role / Device Role / Timing Role: MultiCAN v2.0 dual-channel controller with message filtering and UART1 for UDS diagnostics over K-line. Use Value: Dual CAN controllers with independent message RAM allow concurrent high-priority (engine) and low-priority (comfort) traffic handling without CPU intervention. |
Use Scenario: Intelligent fuse replacement in 24 V commercial vehicle electrical architectures with load monitoring and short-circuit protection. IC Role / Device Role / Timing Role: ADC-based current sensing, GPIO-controlled solid-state relays, and watchdog-timed safe-shutdown sequencing. Use Value: 10-bit ADC with 8 channels and 100 kSPS sampling enables simultaneous monitoring of 6+ branch currents with <1% full-scale error at 125 °C. |
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-XC886CM-16FRA5VACXXUMA1 | Same XC800 core, 64 KB Flash, adds USB 2.0 interface and enhanced CAN FD support; larger 80-pin LQFP package. | Required where USB diagnostics or CAN FD upgrade path is needed; not pin-compatible due to extra USB and CAN FD pins. | Select when future-proofing against CAN FD migration or adding service port functionality. |
| TC1766-128F133HRB | TriCore 32-bit MCU with 128 KB Flash, higher performance but no integrated LIN or CORDIC; requires external LIN transceiver. | Suitable for complex real-time control tasks beyond 8-bit capability, but increases BOM and software complexity. | Choose only if computational load exceeds XC878's MDU/CORDIC throughput-e.g., multi-axis motion control with floating-point math. |
Compared with SAF-XC886CM-16FRA5VACXXUMA1, XC878CLM16FFA5VACXXUMA1 offers smaller footprint and lower power for cost-sensitive BCMs; versus TC1766, it delivers optimized peripheral integration for LIN/CAN sensor networks without over-engineering.
Availability
XC878CLM16FFA5VACXXUMA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, smart power distribution, and gateway node designs requiring stable component supply across extended temperature ranges.
Supply support for XC878CLM16FFA5VACXXUMA1 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 XC87xCLM product line-designed specifically for cost-optimized, ASIL-B-capable automotive applications requiring integrated CAN, LIN, and analog signal processing in a single 8-bit MCU.
FAQ
What is the maximum operating frequency of the XC878CLM16FFA5VACXXUMA1?
The XC878CLM16FFA5VACXXUMA1 operates at up to 26.67 MHz using its internal PLL, derived from a 1–20 MHz external crystal or ceramic resonator connected to XTAL1/XTAL2. The PLL supports selectable multiplication factors (×1 to ×4), enabling flexible clock tree configuration while maintaining EMC compliance.
Does this MCU support bootloader updates over CAN?
Yes-the XC878CLM16FFA5VACXXUMA1 includes a factory-programmed 8 KB Boot ROM with CAN-based bootloader functionality compliant with ISO 15765-2. It supports flash reprogramming via CAN frames without external programming hardware, using standardized diagnostic session control and security access routines.
How is flash memory protected against unauthorized access?
Flash protection uses a multi-layer scheme: lock bits prevent read-out or erase of protected sectors; a password register (PWD) must be written with a 16-bit value before modifying protected registers or initiating flash write/erase operations; and boot ROM enforces secure boot sequence verification before executing user code from flash.
Can the ADC operate synchronously with PWM events for motor current sampling?
Yes-the ADC supports hardware trigger mode linked to CCU6 timer events, enabling precise sampling at defined points within the PWM period (e.g., mid-point of low-side conduction). This eliminates software timing jitter and ensures consistent current reconstruction for FOC algorithms.
XC878CLM16FFA5VACXXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- XC8xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- XC800
- Core Size:
- 8-Bit
- Speed:
- 27MHz
- Connectivity:
- CANbus, LINbus, 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
XC878CLM16FFA5VACXXUMA1 FAQ
1.How can I place an order for XC878CLM16FFA5VACXXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XC878CLM16FFA5VACXXUMA1 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 XC878CLM16FFA5VACXXUMA1 reliable?
The price and inventory of XC878CLM16FFA5VACXXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC878CLM16FFA5VACXXUMA1 is usually 5 days.
3.What payment methods are accepted for XC878CLM16FFA5VACXXUMA1?
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XC878CLM16FFA5VACXXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC878CLM16FFA5VACXXUMA1 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 XC878CLM16FFA5VACXXUMA1?
For technical support, including XC878CLM16FFA5VACXXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC878CLM16FFA5VACXXUMA1 requirements.
6.How does Aetrix verify that XC878CLM16FFA5VACXXUMA1 is sourced from the original manufacturer or authorized distributors?
All XC878CLM16FFA5VACXXUMA1 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 XC878CLM16FFA5VACXXUMA1 meets industry standards.
7.What is the process for return or replacement of XC878CLM16FFA5VACXXUMA1?
All XC878CLM16FFA5VACXXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XC878CLM16FFA5VACXXUMA1, 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 XC878CLM16FFA5VACXXUMA1 part is unused and in its original packaging.
Return procedure for XC878CLM16FFA5VACXXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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