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Infineon Technologies XC161CJ16F40FBBFXQMA1
- Part No.:
- XC161CJ16F40FBBFXQMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
XC161CJ16F40FBBFXQMA1.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 144TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,149
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Product details
Overview
XC161CJ16F40FBBFXQMA1 from Infineon Technologies is a 16-bit single-chip microcontroller based on the C166SV2 core, featuring 128 KB on-chip Flash, 8 KB total SRAM (2 KB DPRAM + 4 KB DSRAM + 2 KB PSRAM), and integrated TwinCAN 2.0B interface with 32 message objects across two CAN nodes. It operates at up to 40 MHz CPU clock (25 ns instruction cycle), supports 1-cycle 16×16 multiplication, and targets real-time embedded control in automotive powertrain and industrial motor drives.
For engineers reviewing the XC161CJ16F40FBBFXQMA1 datasheet, XC161CJ16F40FBBFXQMA1 pinout, XC161CJ16F40FBBFXQMA1 application, or XC161CJ16F40FBBFXQMA1 equivalent, key selection considerations include its 144-pin TQFP RoHS-compliant package, -40 °C to +125 °C extended temperature grade, on-chip PLL clock generation, and dual ASC/SSC serial interfaces for sensor and actuator communication.
Technical Context
The XC161CJ16F40FBBFXQMA1 implements a 5-stage pipelined C166SV2 CPU core with register-based architecture, two local register banks for fast context switching, and 16 MB linear address space. Its interrupt system delivers 73 sources with 16 priority levels and sub-50 ns sample-rate capability, enabling deterministic response in safety-critical timing loops.
Peripheral integration includes a 12-channel A/D converter with programmable 8-/10-bit resolution and conversion times as low as 2.15 µs, two 16-channel CAPCOM units supporting PWM generation and capture, and a GPT12E timer unit with five independent timers - all synchronized via a common peripheral event controller (PEC) for single-cycle data transfers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C166SV2 16-bit RISC-like core with 5-stage pipeline and zero-cycle jumps |
| Max CPU Clock | 40 MHz (25 ns instruction cycle time, single-cycle execution) |
| Flash Memory | 128 KB on-chip Flash with erase/program support during runtime |
| SRAM Total | 8 KB distributed: 2 KB DPRAM, 4 KB DSRAM, 2 KB PSRAM |
| A/D Converter | 12-channel, 8-/10-bit selectable resolution, min conversion time 2.15 µs |
| CAN Interface | TwinCAN Rev. 2.0B compliant, 32 message objects, dual-node operation with gateway mode |
| Package | 144-pin green TQFP, 0.5 mm pitch, RoHS-compliant, thermal resistance RΘJC = 12.5 K/W |
Pinout & Package
XC161CJ16F40FBBFXQMA1 is housed in a 144-pin Thin Quad Flat Package (TQFP) with 0.5 mm lead pitch, designed for high-density PCB layouts and automotive-grade thermal cycling reliability. The package supports both multiplexed and demultiplexed external bus configurations and integrates dedicated VDDI power domain pins (XTAL1/XTAL3) for oscillator stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0–P0.15 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or external address/data bus lines (AD0–AD15) in multiplexed mode |
| P1.0–P1.15 | Port 1 bidirectional I/O | Supports input thresholds with hysteresis; usable as CAN0/CAN1 signal lines (RX/TX) and ASC/SSC functions |
| P2.0–P2.15 | Port 2 bidirectional I/O | Includes CAPCOM1/2 input capture and compare outputs; supports SDLM and IIC bus signals |
| XTAL1 / XTAL3 | Crystal oscillator inputs | Belong to VDDI power domain; accept 1–20 MHz crystal or external clock source |
| TRST | JTAG test reset | Asynchronous active-low reset for on-chip debug support (OCDS) and boundary-scan testing |
| VDD, VSS | Power supply and ground | Separate analog/digital domains: VDDA/VSSA for ADC, VDD/VSS for core and I/O |
Key Features
| Feature | Design Value |
|---|---|
| On-chip PLL clock generator | Configurable multiplication factors from 0.15× to 10× input clock, enabling precise 40 MHz core frequency from low-frequency crystals |
| Peripheral Event Controller (PEC) | Enables 8-channel, interrupt-driven, single-cycle data transfers between peripherals and memory using 24-bit addressing |
| Real-time clock (RTC) | Dedicated oscillator-driven RTC with calendar function, independent of main CPU clock and power modes |
| Power management modes | Three low-power states: Idle (CPU halted, peripherals active), Sleep (peripherals clock-gated), Power Down (full retention with wake-up on CAN/ASC/INT) |
| Bootstrap loader | On-chip ROM-based loader supporting in-system programming via ASC0 or CAN, eliminating need for external programmer hardware |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Brushless DC (BLDC) Motor Drive |
|---|---|
|
Use Scenario: Real-time combustion timing, fuel injection pulse width modulation, and knock detection in gasoline engines. IC Role / Device Role / Timing Role: Primary control MCU executing closed-loop PID algorithms with sub-50 ns interrupt latency and synchronized PWM output via CAPCOM units. Use Value: Integrated TwinCAN enables direct communication with transmission and body control modules; 125 °C rating ensures under-hood reliability. |
Use Scenario: Six-step commutation control, current sensing, and fault monitoring for HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Central motor controller managing three-phase gate drivers, reading hall-effect sensors, and regulating speed via ASC-linked feedback. Use Value: 12-channel ADC with 2.15 µs conversion supports simultaneous current sampling; PEC accelerates FOC data movement without CPU overhead. |
| Commercial Vehicle Body Control Module (BCM) | Off-Highway Equipment Telematics Gateway |
|
Use Scenario: Centralized lighting, wiper, door lock, and HVAC control with LIN and CAN network bridging. IC Role / Device Role / Timing Role: Network gateway MCU routing messages between CAN 2.0B (powertrain) and LIN (peripheral sensors), using SDLM for J1850 diagnostics. Use Value: Dual CAN controllers with 32 message objects allow concurrent handling of high-priority engine CAN and lower-priority body CAN traffic. |
Use Scenario: Aggregating GPS, IMU, and engine telemetry for remote fleet monitoring in construction and agricultural machinery. IC Role / Device Role / Timing Role: Edge-processing node performing pre-filtering, timestamping, and protocol translation before cellular upload. Use Value: On-chip RTC provides accurate event timestamps; IIC interface connects to external EEPROM and environmental sensors without additional logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAK-XC2267-104F80L | 32-bit TriCore™ core, 80 MHz, 1 MB Flash, integrated Ethernet MAC, no SDLM or J1850 support | Targets next-generation ECU designs requiring higher compute throughput and TCP/IP stack offload | Select when migrating from 16-bit to 32-bit platform with Ethernet connectivity and larger code footprint |
| SAF-XC164CS-32F20F | Same C166SV2 core, 32 KB Flash, -40 °C to +85 °C grade, identical peripheral set except reduced CAN message objects (16 vs. 32) | Suitable for cost-sensitive non-under-hood applications like HVAC control or seat modules | Select when thermal margin and CAN capacity requirements are relaxed and BOM cost is primary constraint |
Compared with SAK-XC2267-104F80L and SAF-XC164CS-32F20F, the XC161CJ16F40FBBFXQMA1 uniquely balances extended temperature operation, full TwinCAN message object count, and J1850-compliant SDLM - making it optimal for legacy-compliant, thermally demanding automotive gateways and ECUs where 32-bit migration is not yet justified.
Availability
XC161CJ16F40FBBFXQMA1 is available at Aetrix Electronics and suitable for automotive engine control units, industrial BLDC motor drives, and commercial vehicle body control modules requiring stable component supply through long-life production cycles.
Supply support for XC161CJ16F40FBBFXQMA1 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 XC161 family belongs to Infineon's legacy C166-based microcontroller line, designed specifically for deterministic real-time control in harsh automotive and industrial environments where extended temperature range and CAN protocol compliance are mandatory.
FAQ
Does XC161CJ16F40FBBFXQMA1 support in-application programming (IAP) of its Flash memory?
Yes. The device supports in-application programming via its on-chip bootstrap loader, allowing firmware updates over ASC0 or CAN without external programming hardware. Flash sectors can be erased and reprogrammed while the CPU executes from other memory regions, enabling field-upgradable control logic with minimal downtime.
What is the maximum operating frequency of the A/D converter and how is it synchronized with the CPU?
The A/D converter achieves a minimum conversion time of 2.15 µs at 10-bit resolution, corresponding to a maximum sampling rate of approximately 465 kSPS. Conversion triggers are fully programmable via software, CAPCOM events, or GPT12E timer overflows, ensuring tight synchronization with motor commutation or engine crank-angle timing without CPU polling.
How does the TwinCAN module handle message prioritization and arbitration between its two CAN nodes?
The TwinCAN module implements independent message object lists for CAN0 and CAN1, each with 32 configurable objects supporting standard (11-bit) and extended (29-bit) identifiers. Arbitration occurs per node using hardware-based identifier comparison and acceptance filtering; inter-node prioritization is managed by software via PEC-triggered message forwarding or shared RAM buffering.
Is the XC161CJ16F40FBBFXQMA1 qualified for use in safety-critical automotive systems per ISO 26262?
No. While the device meets AEC-Q100 Grade 0 (-40 °C to +125 °C) and includes watchdog timers, oscillator monitoring, and lockstep-capable peripherals, it lacks formal ISO 26262 ASIL certification documentation or hardware-level fault collection mechanisms required for ASIL-B or higher applications. It is used in non-safety-critical subsystems such as body electronics and auxiliary motor control.
XC161CJ16F40FBBFXQMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 144-LQFP
- Series:
- XC16x
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C166SV2
- Core Size:
- 16-Bit
- Speed:
- 40MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, SLDM, SPI, UART/USART
- Peripherals:
- PWM, WDT
- Number of I/O:
- 99
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 2.7V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
XC161CJ16F40FBBFXQMA1 FAQ
1.How can I place an order for XC161CJ16F40FBBFXQMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XC161CJ16F40FBBFXQMA1 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 XC161CJ16F40FBBFXQMA1 reliable?
The price and inventory of XC161CJ16F40FBBFXQMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC161CJ16F40FBBFXQMA1 is usually 5 days.
3.What payment methods are accepted for XC161CJ16F40FBBFXQMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC161CJ16F40FBBFXQMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC161CJ16F40FBBFXQMA1?
XC161CJ16F40FBBFXQMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC161CJ16F40FBBFXQMA1 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 XC161CJ16F40FBBFXQMA1?
For technical support, including XC161CJ16F40FBBFXQMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC161CJ16F40FBBFXQMA1 requirements.
6.How does Aetrix verify that XC161CJ16F40FBBFXQMA1 is sourced from the original manufacturer or authorized distributors?
All XC161CJ16F40FBBFXQMA1 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 XC161CJ16F40FBBFXQMA1 meets industry standards.
7.What is the process for return or replacement of XC161CJ16F40FBBFXQMA1?
All XC161CJ16F40FBBFXQMA1 units undergo pre-shipment inspection (PSI). If there is an issue with XC161CJ16F40FBBFXQMA1, 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 XC161CJ16F40FBBFXQMA1 part is unused and in its original packaging.
Return procedure for XC161CJ16F40FBBFXQMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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