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Infineon Technologies XC878CM16FFA5VACFXUMA1
- Part No.:
- XC878CM16FFA5VACFXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
XC878CM16FFA5VACFXUMA1.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,077
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Product details
Overview
XC878CM16FFA5VACFXUMA1 from Infineon Technologies is an 8-bit CISC microcontroller based on the enhanced 8051 core, featuring 16 kB on-chip Flash memory, 1 kB RAM, and integrated CAN 2.0B controller. It operates at up to 26.7 MHz with 5 V supply tolerance and includes a 10-bit ADC (8 channels), capture/compare unit, and programmable watchdog timer. It targets automotive body electronics such as door control modules and lighting control units.
For engineers reviewing the XC878CM16FFA5VACFXUMA1 datasheet, XC878CM16FFA5VACFXUMA1 pinout, XC878CM16FFA5VACFXUMA1 application, or XC878CM16FFA5VACFXUMA1 equivalent, key selection criteria include CAN interface integration, 5 V operation with extended temperature range (–40 °C to +125 °C), Flash endurance (100 k erase/write cycles), and AEC-Q100 Grade 2 qualification for automotive use.
Technical Context
The XC878CM16FFA5VACFXUMA1 implements a single-cycle 8051-compatible CPU core with instruction set extensions for bit manipulation and register banking. It integrates a full CAN 2.0B controller with message object RAM (16 objects), supporting both standard and extended identifiers without external transceiver dependency.
On-chip peripherals include a 10-bit successive-approximation ADC with configurable sampling rate (up to 100 kSPS), two 16-bit timer/capture units with PWM generation capability, and a high-precision 8-bit CAPCOM unit for motor control timing. The device supports in-system programming via UART and features hardware-assisted boot loader support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Enhanced 8051 CISC, single-cycle execution for most instructions |
| Flash Memory | 16 kB on-chip, 100 k erase/write cycles, 10-year data retention at 125 °C |
| RAM | 1 kB on-chip SRAM, accessible in all power modes |
| CAN Interface | Integrated CAN 2.0B controller with 16 message objects and automatic retransmission |
| ADC | 10-bit SAR ADC with 8 input channels, configurable conversion time down to 10 μs |
| Operating Voltage | 4.5 V to 5.5 V - supports direct connection to automotive battery rail with transient immunity |
| Temperature Range | –40 °C to +125 °C - qualified per AEC-Q100 Grade 2 for under-hood applications |
Pinout & Package
XC878CM16FFA5VACFXUMA1 is housed in a 48-pin TQFP (7 mm × 7 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Infineon's XC878 family datasheet revision 1.2 (2010).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0–P0.7 | Port 0 bidirectional I/O / AD0–AD7 multiplexed address/data bus | Configurable as general-purpose I/O or lower byte of external bus; internal pull-ups enabled by default |
| P1.0–P1.7 | Port 1 bidirectional I/O / CAPCOM0–CAPCOM7 inputs/outputs | Dedicated to capture/compare timing functions; supports edge-triggered interrupts and PWM output |
| P2.0–P2.7 | Port 2 bidirectional I/O / A8–A15 upper address bus | Provides upper address bits when external memory interface is enabled; otherwise general-purpose |
| TXD0/RXD0 | UART0 serial interface pins | Asynchronous full-duplex communication; supports baud rates up to 115.2 kbps at 26.7 MHz |
| CANRX/CANTX | CAN physical layer interface pins | Direct connection to external CAN transceiver (e.g., TLE6250); differential signaling compliant with ISO 11898-2 |
| VDD/VSS | Power supply and ground terminals | Separate analog/digital supply pins (VDDA/VSSA) enable noise-isolated ADC operation |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B Controller | Reduces BOM count by eliminating external CAN protocol IC; supports mailbox-based message handling and error confinement |
| Hardware Boot Loader | Enables field firmware updates over UART without external programmer; supports secure flash write protection |
| High-Voltage Tolerant I/O | All port pins withstand 6 V DC - simplifies interface with legacy 5 V logic and sensors without level shifters |
| Low-Power Sleep Modes | Four sleep modes (IDLE, STOP, POWER-DOWN, STANDBY) with wake-up via CAN, timer, or external interrupt |
| AEC-Q100 Qualified | Validated for automotive Grade 2 (–40 °C to +125 °C); includes HTOL, ESD, and EMC test reports per specification |
Applications
| Door Control Module | LED Headlight Driver |
|---|---|
|
Use Scenario: Centralized control of power windows, locks, mirrors, and interior lighting in modern vehicle door modules. IC Role / Device Role / Timing Role: Primary MCU managing sensor inputs (switches, Hall effect), actuator outputs (motor drivers), and CAN communication with body control module. Use Value: Integrated CAN eliminates external transceiver; 10-bit ADC enables precise current sensing for motor stall detection and soft-start control. |
Use Scenario: Adaptive LED headlight system with dynamic beam shaping and dimming based on ambient light and vehicle speed. IC Role / Device Role / Timing Role: Real-time PWM generator and sensor hub coordinating ambient light sensor, vehicle speed signal, and CAN-based ADAS commands. Use Value: CAPCOM unit delivers sub-microsecond PWM timing resolution for flicker-free LED dimming; 5 V tolerance allows direct connection to automotive lighting power rails. |
| Seat Position Controller | Climate Control Actuator |
|
Use Scenario: Motorized seat adjustment with memory presets, position feedback, and collision detection. IC Role / Device Role / Timing Role: Closed-loop motor controller using ADC for potentiometer feedback and CAPCOM for precise H-bridge gate timing. Use Value: On-chip 16-bit timers with capture mode enable accurate motor rotation counting; Flash endurance supports 10+ years of recalibration cycles. |
Use Scenario: HVAC blend door and air flap actuation in passenger compartment climate systems. IC Role / Device Role / Timing Role: Low-power actuator coordinator interfacing with stepper motor drivers and NTC temperature sensors via I²C or analog inputs. Use Value: Multiple sleep modes reduce quiescent current to <10 µA during idle; 1 kB RAM retains calibration data across power 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 |
|---|---|---|---|
| XC886CM16F20VACFXUMA1 | 20 MHz max clock, 32 kB Flash, same pinout but higher Flash density and extended peripheral set (additional UART, enhanced CAPCOM) | Supports more complex body domain controllers requiring dual CAN or larger firmware footprint | Select when future firmware scalability or additional serial interfaces are required |
| SAK-TC1766-128F133HR BA | TriCore™ 32-bit architecture, 133 MHz, 128 kB Flash, integrated Ethernet MAC and multiple CAN FD channels | Targets gateway or domain controller roles with real-time OS support and network bridging | Choose only when migrating to 32-bit performance, CAN FD, or AUTOSAR compatibility is mandatory |
Compared with XC878CM16FFA5VACFXUMA1, the XC886 offers incremental Flash and speed upgrades within the same 8-bit ecosystem, while the TC1766 represents a platform-level shift toward 32-bit real-time control - making the XC878 optimal for cost-sensitive, CAN-centric body electronics where 16 kB Flash suffices.
Availability
XC878CM16FFA5VACFXUMA1 is available at Aetrix Electronics and suitable for automotive door modules, LED lighting control units, seat position systems, and HVAC actuator designs requiring stable component supply and long-term lifecycle assurance.
Supply support for XC878CM16FFA5VACFXUMA1 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 XC878 belongs to Infineon's legacy 8-bit automotive microcontroller family, designed specifically for cost-optimized, CAN-enabled body electronics where functional safety up to ASIL-B is not required but AEC-Q100 reliability is essential.
FAQ
Is XC878CM16FFA5VACFXUMA1 pin-compatible with other XC878 variants?
Yes - all XC878 derivatives in the 48-pin TQFP package share identical pin mapping, including XC878CM8, XC878CM16, and XC878CM32. Differences are limited to Flash size, RAM allocation, and optional peripheral enablement, all configured via fuse bits or software initialization.
Does this MCU support CAN FD?
No - XC878CM16FFA5VACFXUMA1 implements only CAN 2.0B (ISO 11898-1), supporting data rates up to 1 Mbps and 11-/29-bit identifiers. CAN FD capability requires newer families such as XMC4000 or AURIX™, which feature separate FD controllers with flexible data phase timing.
What debug interface does XC878CM16FFA5VACFXUMA1 use?
It uses Infineon's DAP (Debug Access Port) interface, compatible with the Universal Debug Engine (UDE) and Lauterbach TRACE32 tools. Debug access is provided through dedicated TCK/TDO/TDI/TMS pins (P3.0–P3.3), supporting full JTAG-based breakpointing, memory inspection, and real-time trace.
Can the on-chip ADC measure signals above VDD?
No - the ADC input voltage range is strictly 0 V to VDD (5.5 V max). Input signals exceeding VDD risk latch-up or permanent damage. External resistive dividers or clamping diodes are required for conditioning higher-voltage sensor outputs before ADC routing.
XC878CM16FFA5VACFXUMA1 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, 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
XC878CM16FFA5VACFXUMA1 FAQ
1.How can I place an order for XC878CM16FFA5VACFXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XC878CM16FFA5VACFXUMA1 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 XC878CM16FFA5VACFXUMA1 reliable?
The price and inventory of XC878CM16FFA5VACFXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC878CM16FFA5VACFXUMA1 is usually 5 days.
3.What payment methods are accepted for XC878CM16FFA5VACFXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC878CM16FFA5VACFXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC878CM16FFA5VACFXUMA1?
XC878CM16FFA5VACFXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC878CM16FFA5VACFXUMA1 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 XC878CM16FFA5VACFXUMA1?
For technical support, including XC878CM16FFA5VACFXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC878CM16FFA5VACFXUMA1 requirements.
6.How does Aetrix verify that XC878CM16FFA5VACFXUMA1 is sourced from the original manufacturer or authorized distributors?
All XC878CM16FFA5VACFXUMA1 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 XC878CM16FFA5VACFXUMA1 meets industry standards.
7.What is the process for return or replacement of XC878CM16FFA5VACFXUMA1?
All XC878CM16FFA5VACFXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XC878CM16FFA5VACFXUMA1, 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 XC878CM16FFA5VACFXUMA1 part is unused and in its original packaging.
Return procedure for XC878CM16FFA5VACFXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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