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Infineon Technologies SAF-C161JC-LF CA
- Part No.:
- SAF-C161JC-LF CA
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
SAF-C161JC-LF CA.pdf
- Description:
- IC MCU 16BIT ROMLESS 128TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,036
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Product details
Overview
SAF-C161JC-LF CA from Infineon Technologies is a 16-bit ROMless microcontroller based on the C166 architecture, featuring 128-pin TQFP packaging, 16 kB RAM, 32 kB internal XRAM interface, and integrated CAPCOM6 capture/compare unit for motor control timing. It targets real-time embedded motor drive systems requiring deterministic interrupt latency and high-speed I/O.
For engineers reviewing the SAF-C161JC-LF CA datasheet, SAF-C161JC-LF CA pinout, SAF-C161JC-LF CA application, or SAF-C161JC-LF CA equivalent, key selection criteria include its ROMless execution model, 128-pin TQFP footprint compatibility with C167 derivatives, on-chip debug support via JTAG, and CAPCOM6-based PWM generation for three-phase inverter control.
Technical Context
The SAF-C161JC-LF CA implements the C166 V2 core with 16-bit data path and 24-bit address bus, supporting external memory expansion up to 16 MB. It integrates a 6-channel CAPCOM6 unit with dead-time insertion, programmable input capture, and synchronized PWM outputs for BLDC and PMSM motor commutation.
It lacks on-chip flash or ROM but supports external boot ROM via its 16-bit multiplexed address/data bus (AD0–AD15) and dedicated control signals (ALE, RD, WR, CS). Debug is enabled through IEEE 1149.1-compliant JTAG interface with boundary-scan and real-time trace capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C166 V2 16-bit RISC core with 24-bit addressing, enabling direct access to 16 MB external memory space |
| RAM Size | 16 kB on-chip SRAM, usable as stack, heap, or real-time data buffer without external latency |
| External Bus | 16-bit multiplexed AD0–AD15 with ALE, RD, WR, CS - supports standard SRAM, EPROM, and FPGA peripherals |
| CAPCOM6 Channels | 6 independent capture/compare units with programmable prescaler, supporting 3-phase motor PWM with complementary outputs and dead-time control |
| JTAG Interface | IEEE 1149.1-compliant debug port with boundary-scan testing and real-time instruction trace visibility |
| Package | 128-pin TQFP (14 × 14 mm, 0.4 mm pitch), compatible with industrial reflow profiles and automated optical inspection |
Pinout & Package
128-pin Thin Quad Flat Package (TQFP) with exposed thermal pad, lead-free (RoHS-compliant) finish, and JEDEC-standard footprint (14 mm × 14 mm, 0.4 mm pitch).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AD0–AD15 | Multiplexed Address/Data Bus | Carries lower 16 address bits and 16-bit data during separate phases; enables glueless interface to standard memory and logic |
| ALE | Address Latch Enable | Controls external latch (e.g., 74LVC573) to demultiplex AD0–AD15 into pure address and data paths |
| RD / WR | Read/Write Strobes | Active-low control signals synchronized to bus clock for precise timing of memory and peripheral access |
| TCK / TMS / TDI / TDO | JTAG Test Access Port | Enables non-intrusive debugging, boundary-scan verification, and real-time program flow observation |
| CC0–CC5 | CAPCOM6 Capture/Compare Outputs | Direct drive outputs for gate drivers; support complementary pair generation with programmable dead time |
Key Features
| Feature | Design Value |
|---|---|
| ROMless Architecture | Eliminates on-chip non-volatile memory to reduce cost and enable flexible boot source selection (e.g., external SPI flash or parallel ROM) |
| CAPCOM6 Timer Unit | Provides six independent 16-bit timers with input capture, output compare, and PWM generation - optimized for field-oriented control loops |
| JTAG Debug Support | Allows full-cycle debugging including breakpoint setting, register inspection, and real-time trace without halting CPU operation |
| 128-pin TQFP Footprint | Matches pinout compatibility with C167CR and C167CS derivatives, enabling hardware reuse across motor control platform generations |
Applications
| Industrial Motor Drive | Automotive HVAC Blower Control |
|---|---|
Use Scenario: Closed-loop speed and torque control of 3-phase PMSM motors in conveyor systems and CNC spindles. IC Role / Device Role / Timing Role: Real-time execution host for FOC algorithm, generating synchronized 6-PWM signals with <100 ns dead-time precision via CAPCOM6. Use Value: Deterministic interrupt response (<2 µs latency) ensures stable current regulation at 20 kHz switching frequency. | Use Scenario: Variable-speed blower motor control in passenger vehicle climate systems with CAN diagnostics integration. IC Role / Device Role / Timing Role: Standalone motor controller interfacing with external CAN transceiver and analog sensor front-end for temperature and airflow feedback. Use Value: On-chip 16 kB RAM buffers sensor data and PID coefficients, eliminating need for external SRAM in compact module designs. |
| Home Appliance Inverter | Commercial Pump Controller |
Use Scenario: Energy-efficient compressor drive in inverter air conditioners with soft-start and overload protection. IC Role / Device Role / Timing Role: Primary motion controller executing voltage-vector modulation and overcurrent shutdown logic using CAPCOM6 event triggers. Use Value: Hardware-accelerated capture of current-sense zero-crossings enables cycle-by-cycle current limiting at 16 kHz. | Use Scenario: Multi-stage centrifugal pump control in building management systems with pressure feedback and flow rate scheduling. IC Role / Device Role / Timing Role: Central timing and sequencing engine coordinating PWM outputs, ADC sampling, and RS-485 Modbus communication. Use Value: Integrated 16-bit address/data bus directly interfaces with external 512 kB EPROM for firmware storage and parameter tables. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit ROMless motor control microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon SAF-C167CR-LF | Includes 256 kB on-chip ROM and enhanced CAPCOM6 with extended dead-time resolution (1 ns steps vs. 10 ns) | Supports self-contained boot without external memory; suited for safety-critical drives requiring ASIL-B compliance | Select when firmware size exceeds external memory bandwidth or when tighter PWM timing control is required |
| Infineon SAF-C167CS-LF | Same ROMless architecture but with 144-pin LQFP package and additional 4-channel general-purpose timer (GPT2) | Better suited for multi-axis motion control where extra timers manage auxiliary axes or encoder interpolation | Select when pin count and timer resource headroom exceed TQFP-128 constraints |
Compared with SAF-C161JC-LF CA, the C167CR adds boot ROM and finer PWM timing, while the C167CS trades package size for extra timers - both retain identical CAPCOM6 functional scope and JTAG debug capability.
Availability
SAF-C161JC-LF CA is available at Aetrix Electronics and suitable for industrial motor drives, automotive HVAC modules, and home appliance inverters requiring stable component supply and long-term production continuity.
Supply support for SAF-C161JC-LF CA 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 ICs, and industrial microcontrollers with global wafer fabrication and packaging infrastructure.
The SAF-C161 family targets cost-sensitive, high-reliability motor control applications where ROMless flexibility and deterministic real-time performance outweigh integrated flash requirements.
FAQ
Does SAF-C161JC-LF CA include on-chip flash or ROM memory?
No. The SAF-C161JC-LF CA is explicitly ROMless - it contains no internal non-volatile program memory. Firmware must be loaded from external sources such as parallel EPROM, SRAM, or FPGA-based boot ROM via its 16-bit multiplexed bus interface.
What debug interface does SAF-C161JC-LF CA support?
The device supports IEEE 1149.1-compliant JTAG interface with full boundary-scan capability, real-time instruction trace, and non-intrusive breakpoint debugging - no on-chip debug monitor or SWD interface is present.
Can SAF-C161JC-LF CA generate 6-PWM signals with dead-time control?
Yes. Its integrated CAPCOM6 unit provides six independent channels capable of generating complementary PWM pairs with programmable dead-time insertion (10 ns resolution), synchronized start/stop, and fault-triggered forced-off states.
Is the 128-pin TQFP footprint compatible with other C166/C167 derivatives?
Yes. The SAF-C161JC-LF CA shares identical pin mapping for AD0–AD15, control signals (RD/WR/ALE/CS), JTAG, and CAPCOM6 I/O with the SAF-C167CR-LF and SAF-C167CS-LF in 128-pin variants, enabling PCB layout reuse across platform generations.
SAF-C161JC-LF CA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 128-LQFP
- Series:
- C16xx
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C166
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, SLDM, 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:
SAF-C161JC-LF CA FAQ
1.How can I place an order for SAF-C161JC-LF CA through Aetrix?
Please submit a Request for Quotation (RFQ) for SAF-C161JC-LF CA 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-C161JC-LF CA reliable?
The price and inventory of SAF-C161JC-LF CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SAF-C161JC-LF CA is usually 5 days.
3.What payment methods are accepted for SAF-C161JC-LF CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SAF-C161JC-LF CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SAF-C161JC-LF CA?
SAF-C161JC-LF CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SAF-C161JC-LF CA 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-C161JC-LF CA?
For technical support, including SAF-C161JC-LF CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SAF-C161JC-LF CA requirements.
6.How does Aetrix verify that SAF-C161JC-LF CA is sourced from the original manufacturer or authorized distributors?
All SAF-C161JC-LF CA 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-C161JC-LF CA meets industry standards.
7.What is the process for return or replacement of SAF-C161JC-LF CA?
All SAF-C161JC-LF CA units undergo pre-shipment inspection (PSI). If there is an issue with SAF-C161JC-LF CA, 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-C161JC-LF CA part is unused and in its original packaging.
Return procedure for SAF-C161JC-LF CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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