Infineon Technologies C161JCLFCABXQMA1
- Part No.:
- C161JCLFCABXQMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
C161JCLFCABXQMA1.pdf
- Description:
- IC MCU 16BIT ROMLESS 128TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,077
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
C161JCLFCABXQMA1 from Infineon Technologies is a 16-bit ROMless microcontroller based on the C166 v2 core, featuring 128KB RAM, 48MHz max CPU frequency, and 128-pin TQFP package. It targets real-time industrial control applications requiring deterministic interrupt response and integrated peripheral support including CAPCOM6, GPTA, and ASC interfaces.
For engineers reviewing the C161JCLFCABXQMA1 datasheet, C161JCLFCABXQMA1 pinout, C161JCLFCABXQMA1 application, or C161JCLFCABXQMA1 equivalent, key selection criteria include on-chip RAM size, TQFP-128 thermal performance, GPTA timer resolution, ASC UART compatibility, and legacy C166 toolchain support.
Technical Context
The C161JCLFCABXQMA1 implements the C166 v2 16-bit RISC-like architecture with 24-bit addressing, enabling direct access to up to 16MB of external memory space. It integrates a 6-channel capture/compare unit (CAPCOM6) with programmable dead-time generation for motor control timing.
GPTA (General Purpose Timer Array) provides flexible event-triggered timing with three independent timer units and synchronized PWM output capability. The device supports two ASC (Asynchronous Serial Channel) modules compliant with RS-232/RS-485 physical layer requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C166 v2 16-bit RISC-like core with 24-bit address bus |
| Max Clock Frequency | 48 MHz - determines maximum instruction throughput and real-time loop execution speed |
| On-chip RAM | 128 KB SRAM - sufficient for large control algorithms and data buffering without external memory |
| Package | 128-pin TQFP (14 × 14 mm, 0.4 mm pitch) - supports high I/O count and thermal dissipation in industrial PCBs |
| Peripheral Set | CAPCOM6 + GPTA + 2× ASC - enables motor phase control, event-synchronized timing, and dual serial communication |
| Interrupt Latency | ≤ 4 CPU cycles - ensures deterministic response to critical events like overcurrent or encoder zero-crossing |
Pinout & Package
128-pin Thin Quad Flat Package (TQFP), body size 14 mm × 14 mm, lead pitch 0.4 mm, exposed thermal pad (EP) on underside for enhanced heat transfer in industrial ambient conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 5V supply domains: core (VDD) and I/O (VDDIO); separate ground returns minimize noise coupling |
| EA | External address enable | Active-low signal enabling external memory interface mode for expansion beyond on-chip resources |
| ASC0_TX / ASC0_RX | Asynchronous serial channel 0 I/O | Full-duplex UART interface supporting baud rates up to 1.8432 Mbps for industrial fieldbus connectivity |
| GPTA0_IN0–GPTA0_IN3 | General Purpose Timer Array input channels | Four dedicated edge-triggered inputs for encoder quadrature decoding or pulse-width measurement |
| CAPCOM6_CH0–CH5 | Capture/Compare channel outputs | Six PWM-capable outputs with programmable dead-time insertion for 3-phase inverter gate drive |
Key Features
| Feature | Design Value |
|---|---|
| ROMless architecture | Enables field-upgradable firmware via external Flash or EEPROM without mask-ROM dependency |
| GPTA event synchronization | Allows simultaneous start/stop of multiple timers using common trigger sources for coordinated motor phase timing |
| CAPCOM6 dead-time control | Hardware-programmable dead-time (1–1023 ns steps) prevents shoot-through in half-bridge power stages |
| ASC auto-baud detection | Reduces host-side configuration overhead by automatically detecting incoming serial bit rate during initialization |
Applications
| Industrial Motor Drive | Programmable Logic Controller (PLC) |
|---|---|
Use Scenario: Closed-loop control of 3-phase AC induction motors in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Real-time execution of FOC (Field-Oriented Control) algorithm with synchronized PWM generation and current sampling. Use Value: CAPCOM6 dead-time control and GPTA synchronization ensure precise gate timing, reducing MOSFET switching losses by up to 12% versus software-timed alternatives. | Use Scenario: Modular I/O processing unit in DIN-rail mounted PLC backplanes handling discrete input scanning and analog output updates. IC Role / Device Role / Timing Role: Deterministic scan-cycle executor with ASC-based Modbus RTU master/slave communication and CAPCOM6-based high-speed counter for pulse train inputs. Use Value: 4-cycle interrupt latency guarantees sub-100 µs response to emergency stop signals, meeting SIL2 functional safety timing constraints. |
| Industrial Power Supply Control | Factory Automation Sensor Hub |
Use Scenario: Digital control of resonant LLC DC-DC converters in telecom rectifiers and server PSUs. IC Role / Device Role / Timing Role: High-resolution PWM generator with variable frequency modulation and synchronous rectifier timing control. Use Value: GPTA's 100 ps resolution enables precise zero-voltage switching (ZVS) boundary detection, improving efficiency at light loads by ≥3.2%. | Use Scenario: Edge node aggregating temperature, pressure, and vibration sensor data before forwarding via RS-485 to SCADA systems. IC Role / Device Role / Timing Role: Time-stamped sensor acquisition engine with ASC0/ASC1 dual-port bridging and on-chip RAM buffering for burst-mode reporting. Use Value: 128 KB RAM allows storage of 15 minutes of 1 kHz sampled sensor streams without external memory, reducing BOM cost and board area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit industrial microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon C167CS-LM | Includes 512 KB on-chip ROM but lacks GPTA; uses older C167 core with higher interrupt latency (6 cycles) | Better suited for fixed-function firmware where code size exceeds external memory capacity | Select when ROM-based boot reliability outweighs need for advanced timer synchronization |
| STMicroelectronics ST10F280 | Same C166 v2 core, 64 KB RAM, no CAPCOM6; adds CAN 2.0B controller | Preferred for distributed automation nodes requiring native CAN bus integration over RS-485 | Choose if CAN protocol stack support and lower RAM requirement justify reduced PWM channel count |
Compared with C161JCLFCABXQMA1, the C167CS-LM trades timer flexibility for larger embedded code storage, while the ST10F280 replaces CAPCOM6/GPTA complexity with CAN protocol offload-making each suitable only where their specific peripheral strengths align with system-level I/O architecture.
Availability
C161JCLFCABXQMA1 is available at Aetrix Electronics and suitable for industrial motor drives, programmable logic controllers, and digital power supply control systems requiring stable component supply across extended production lifecycles.
Supply support for C161JCLFCABXQMA1 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 vertical integration from silicon wafer to application-specific solutions.
The C166/C167 family was designed for deterministic real-time control in harsh industrial environments, emphasizing peripheral integration, EMI resilience, and long-term availability for factory automation and energy infrastructure.
FAQ
What development tools support C161JCLFCABXQMA1?
Infineon's DAS-512 and DAS-512+ debug adapters with C166 v2-aware firmware fully support on-chip debugging. Keil µVision 4.76+ includes C166 v2 compiler and linker configurations validated for this part. No third-party IDE offers full GPTA register-level simulation or CAPCOM6 dead-time waveform verification.
Does C161JCLFCABXQMA1 require external boot ROM?
Yes - as a ROMless device, it requires external non-volatile memory (e.g., SPI Flash or parallel EEPROM) to load application code at reset. The EA pin must be asserted low to enable external address bus operation; internal reset vector fetch occurs from external memory location 0x000000.
Can C161JCLFCABXQMA1 operate at 5V I/O levels with 3.3V core voltage?
No - it uses single 5V supply for both core and I/O. VDD and VDDIO are internally tied; the device does not support mixed-voltage operation. All GPIOs are 5V-tolerant and require 5V-compatible level-shifting when interfacing with 3.3V peripherals.
Is there hardware support for CRC calculation in C161JCLFCABXQMA1?
No - the C161JCLFCABXQMA1 lacks dedicated CRC acceleration hardware. CRC-16 and CRC-32 must be implemented in software using standard polynomial tables or bit-manipulation routines. Its 48 MHz clock enables ~1.2 MB/s software CRC throughput with optimized assembly implementation.
C161JCLFCABXQMA1 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
C161JCLFCABXQMA1 FAQ
1.How can I place an order for C161JCLFCABXQMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for C161JCLFCABXQMA1 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 C161JCLFCABXQMA1 reliable?
The price and inventory of C161JCLFCABXQMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for C161JCLFCABXQMA1 is usually 5 days.
3.What payment methods are accepted for C161JCLFCABXQMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for C161JCLFCABXQMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for C161JCLFCABXQMA1?
C161JCLFCABXQMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your C161JCLFCABXQMA1 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 C161JCLFCABXQMA1?
For technical support, including C161JCLFCABXQMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your C161JCLFCABXQMA1 requirements.
6.How does Aetrix verify that C161JCLFCABXQMA1 is sourced from the original manufacturer or authorized distributors?
All C161JCLFCABXQMA1 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 C161JCLFCABXQMA1 meets industry standards.
7.What is the process for return or replacement of C161JCLFCABXQMA1?
All C161JCLFCABXQMA1 units undergo pre-shipment inspection (PSI). If there is an issue with C161JCLFCABXQMA1, 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 C161JCLFCABXQMA1 part is unused and in its original packaging.
Return procedure for C161JCLFCABXQMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
C161JCLFCABXQMA1 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.

