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Infineon Technologies C161CSLFCAFXUMA1
- Part No.:
- C161CSLFCAFXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
C161CSLFCAFXUMA1.pdf
- Description:
- IC MCU 16BIT ROMLESS 128TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,369
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Product details
Overview
C161CSLFCAFXUMA1 from Infineon Technologies is a 16-bit ROMless microcontroller based on the C166 architecture, featuring 128-pin TQFP packaging, 32 kB RAM, 2×16-bit timers with capture/compare, and integrated CAN 2.0B controller. It targets real-time industrial motion control systems requiring deterministic interrupt response and on-chip peripheral integration.
For engineers reviewing the C161CSLFCAFXUMA1 datasheet, C161CSLFCAFXUMA1 pinout, C161CSLFCAFXUMA1 application, or C161CSLFCAFXUMA1 equivalent, key selection criteria include on-chip CAN interface compliance, RAM size for real-time task stacks, TQFP-128 thermal performance in motor drive enclosures, and absence of embedded flash requiring external program memory.
Technical Context
This MCU implements the C166 v2 core with 25 ns instruction cycle time at 40 MHz, supporting real-time interrupt handling with 16 priority levels. It integrates a 10-bit ADC (8 channels), synchronous serial interface (SSI), and general-purpose I/O with programmable slew rate control.
The on-chip CAN controller supports bit rates up to 1 Mbit/s, message objects with hardware acceptance filtering, and automatic retransmission. No internal flash requires external PROM or EPROM boot loading via parallel bus interface with wait-state control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C166 v2 16-bit RISC core, 25 ns min instruction cycle enables deterministic 40 MHz real-time loop execution |
| RAM Size | 32 kB on-chip SRAM, sufficient for dual-task RTOS stacks and sensor data buffering without external memory |
| Package | 128-pin TQFP (14 × 14 mm, 0.4 mm pitch), validated for convection-cooled industrial motor drives |
| CAN Interface | Integrated CAN 2.0B controller with 15 message objects, enabling direct connection to J1939 or CANopen networks |
| ADC | 10-bit SAR ADC with 8 input channels and configurable sampling windows, suitable for analog current/voltage feedback in servo loops |
| Timers | Two 16-bit timers with capture/compare/PWM generation, supporting precise PWM dead-time insertion for 3-phase inverter control |
Pinout & Package
128-pin TQFP (Thin Quad Flat Package) with exposed thermal pad, JEDEC MO-220 standard, 14 mm × 14 mm body, 0.4 mm lead pitch, RoHS-compliant matte tin lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0–P0.15 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or multiplexed address/data bus lines for external memory interfacing |
| P1.0–P1.15 | Port 1 bidirectional I/O | Supports high-speed peripheral functions including CAN TX/RX, timer inputs, and ADC trigger signals |
| AD0–AD7 | Analog input channels | Dedicated pins for 8-channel 10-bit ADC, with internal sample-and-hold for synchronized multi-channel acquisition |
| CANTX / CANRX | CAN physical layer interface | Differential pair pins directly connect to ISO 11898-compliant transceiver without level-shifting circuitry |
| CLKOUT | System clock output | Provides buffered 40 MHz clock signal for synchronization with external logic or ADC sampling clocks |
Key Features
| Feature | Design Value |
|---|---|
| ROMless architecture | Enables field-upgradable firmware via external PROM/EPROM, eliminating mask-ROM NRE costs and long lead times |
| Hardware CAN controller | Offloads CAN protocol handling from CPU, reducing ISR latency and freeing >15% CPU bandwidth for motion control algorithms |
| Programmable I/O slew rate | Reduces EMI in motor drive PCB layouts by limiting edge rates on high-current GPIO pins driving gate drivers |
| Dual 16-bit timers with PWM | Generates complementary PWM outputs with programmable dead time, directly controlling 3-phase IGBT gate drivers |
Applications
| Industrial Servo Drives | Automated Assembly Systems |
|---|---|
Use Scenario: Closed-loop position control of PMSM motors in CNC machine tools with 100 µs current loop update. IC Role / Device Role / Timing Role: Real-time motion controller executing FOC algorithm, managing CAN-based command interface and PWM generation. Use Value: On-chip CAN and dual timers eliminate external protocol ICs and timing peripherals, reducing BOM count by 3 components per axis. | Use Scenario: Coordinated motion of robotic arms in automotive battery module assembly with synchronized I/O triggering. IC Role / Device Role / Timing Role: Central motion sequencer with deterministic interrupt latency for synchronized solenoid actuation and vision system strobing. Use Value: 32 kB RAM accommodates multi-axis trajectory buffers and real-time safety monitoring code without external SRAM. |
| Hydraulic Valve Controllers | Power Converter Supervisory Units |
Use Scenario: Proportional control of electro-hydraulic valves in off-highway equipment with temperature-compensated PWM. IC Role / Device Role / Timing Role: Dedicated valve driver MCU handling analog sensor conditioning, PID computation, and high-resolution PWM output. Use Value: Integrated 10-bit ADC with 8 channels enables simultaneous reading of pressure, temperature, and current feedback without multiplexer latency. | Use Scenario: Monitoring and protection of 3-level NPC inverters in renewable energy converters with fast fault response. IC Role / Device Role / Timing Role: Fault manager capturing overcurrent events via fast GPIO interrupts and initiating safe shutdown sequences. Use Value: 16-priority interrupt system ensures <2 µs response to overcurrent signals, meeting IEC 61800-5-2 SIL-2 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit ROMless microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| C167CS-32L | Same C166 v2 core but with 64 kB RAM and 144-pin PQFP package; no CAN controller | Lacks integrated CAN, requiring external transceiver + protocol IC for networked systems | Select when higher RAM capacity is critical and CAN is implemented externally or omitted |
| XC164CS-32F | Enhanced C166 derivative with on-chip flash (256 kB), 128-pin LQFP, and enhanced PWM unit | Includes flash memory, eliminating need for external program storage and simplifying boot process | Select when firmware update flexibility and reduced external memory BOM outweigh ROMless field-reprogrammability benefits |
Compared with C161CSLFCAFXUMA1, C167CS-32L trades CAN integration for RAM headroom and larger package, while XC164CS-32F replaces ROMless design with flash-based execution-offering faster boot and simpler layout at the cost of field-programmable PROM dependency.
Availability
C161CSLFCAFXUMA1 is available at Aetrix Electronics and suitable for industrial servo drives, hydraulic valve controllers, automated assembly systems, and power converter supervisory units requiring stable component supply across extended production lifecycles.
Supply support for C161CSLFCAFXUMA1 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 is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and R&D centers.
The C166 family was designed for deterministic real-time control in industrial automation, emphasizing low-latency interrupt response, integrated motion peripherals, and robust operation in electrically noisy environments.
FAQ
Does C161CSLFCAFXUMA1 include embedded flash memory?
No. C161CSLFCAFXUMA1 is ROMless and requires external program memory such as EPROM or PROM connected via its parallel bus interface. It contains 32 kB of on-chip SRAM for data and stack usage, but no non-volatile program storage.
What is the maximum supported CAN bit rate?
The integrated CAN 2.0B controller supports bit rates up to 1 Mbit/s under standard electrical conditions, verified with ISO 11898-2 compliant transceivers and proper termination. Bit timing registers allow fine-grained configuration for network delays and oscillator tolerances.
Can C161CSLFCAFXUMA1 operate without an external crystal?
No. The device requires an external crystal or ceramic resonator (typically 1–20 MHz) connected to XTAL1/XTAL2 pins to generate the base clock. It lacks an internal RC oscillator capable of sustaining deterministic real-time operation required for motion control.
Is the 128-pin TQFP package lead-free and RoHS-compliant?
Yes. C161CSLFCAFXUMA1 uses matte tin-plated leads in a RoHS-compliant 128-pin TQFP package, qualified per JEDEC J-STD-020 moisture sensitivity level 3 and rated for industrial temperature range (–40°C to +85°C).
C161CSLFCAFXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- C16xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C166
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 93
- Program Memory Size:
- -
- Program Memory Type:
- ROMless
- EEPROM Size:
- -
- RAM Size:
- 10K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
C161CSLFCAFXUMA1 FAQ
1.How can I place an order for C161CSLFCAFXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for C161CSLFCAFXUMA1 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 C161CSLFCAFXUMA1 reliable?
The price and inventory of C161CSLFCAFXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for C161CSLFCAFXUMA1 is usually 5 days.
3.What payment methods are accepted for C161CSLFCAFXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for C161CSLFCAFXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for C161CSLFCAFXUMA1?
C161CSLFCAFXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your C161CSLFCAFXUMA1 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 C161CSLFCAFXUMA1?
For technical support, including C161CSLFCAFXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your C161CSLFCAFXUMA1 requirements.
6.How does Aetrix verify that C161CSLFCAFXUMA1 is sourced from the original manufacturer or authorized distributors?
All C161CSLFCAFXUMA1 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 C161CSLFCAFXUMA1 meets industry standards.
7.What is the process for return or replacement of C161CSLFCAFXUMA1?
All C161CSLFCAFXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with C161CSLFCAFXUMA1, 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 C161CSLFCAFXUMA1 part is unused and in its original packaging.
Return procedure for C161CSLFCAFXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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