Infineon Technologies C167CRLMHAKXQLA2
- Part No.:
- C167CRLMHAKXQLA2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-BQFP
- Datasheet:
-
C167CRLMHAKXQLA2.pdf
- Description:
- IC MCU 16BIT ROMLESS 144MQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,810
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Product details
Overview
C167CRLMHAKXQLA2 from Infineon Technologies is a 16-bit single-chip microcontroller with 128 KB on-chip mask ROM, 2 KB XRAM, and 2 KB IRAM, operating at 25 MHz CPU clock (40 ns instruction cycle). It integrates a CAN 2.0B interface, 16-channel 10-bit ADC (7.8 µs conversion), dual CAPCOM units, and a 4-channel PWM module. Used in industrial motor control systems requiring deterministic real-time I/O and embedded CAN communication.
For engineers reviewing the C167CRLMHAKXQLA2 datasheet, C167CRLMHAKXQLA2 pinout, C167CRLMHAKXQLA2 application, or C167CRLMHAKXQLA2 equivalent, key selection criteria include its 144-pin MQFP package, 16-priority interrupt system with 56 sources, PLL-based clock generation (×1.5 to ×5), and full-CAN message object support for automotive body electronics and factory automation controllers.
Technical Context
The C167CRLMHAKXQLA2 implements a 4-stage pipelined 16-bit CPU with register-based architecture, single-cycle context switching, and 16 MB linear address space. Its peripheral set includes two synchronous/asynchronous serial channels, watchdog timer, oscillator watchdog, and programmable input thresholds on Port 6.
It supports external bus expansion up to 16 MB with five chip-select signals, multiplexed/demultiplexed 8/16-bit data bus, and hold/hold-acknowledge arbitration. The on-chip PLL enables flexible clock synthesis from crystal or external clock input, with AC timing validated per V3.3 datasheet revision (Feb. 2005).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 16-bit C166-family core with 4-stage pipeline; enables 40 ns instruction cycle at 25 MHz for hard real-time loop execution. |
| Memory | 128 KB mask ROM + 2 KB XRAM + 2 KB IRAM; eliminates need for external program memory in fixed-function embedded controllers. |
| ADC | 16-channel, 10-bit SAR ADC with programmable conversion time down to 7.8 µs; supports high-speed analog feedback in motor current sensing. |
| CAN Interface | On-chip CAN 2.0B controller with 15 message objects (Full CAN mode); handles priority-based arbitration and error confinement without host CPU overhead. |
| Timer System | Dual CAPCOM units (16 channels total) + 4-channel PWM + two GPT units (5 timers); enables synchronized PWM generation and capture of encoder pulses in servo drives. |
| Interrupt System | 16-priority-level, 56-source interrupt controller with sample rate down to 40 ns; guarantees sub-microsecond response to critical events like overcurrent faults. |
| Package | P-MQFP-144-8 (144-pin plastic metric quad flat pack); provides 111 GPIO lines with selectable input thresholds and hysteresis for noisy industrial environments. |
Pinout & Package
Package: P-MQFP-144-8 - 144-pin plastic metric quad flat pack with 0.5 mm lead pitch, JEDEC MS-026 compliant, thermal pad optional.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| XTAL1 / XTAL2 | Crystal oscillator input/output | Accepts 1–20 MHz fundamental-mode quartz crystal; internal oscillator circuit enables self-contained clock source without external components. |
| EA | External access enable | Active-low signal controlling external bus activation; when low, enables 16 MB external memory/data space access via programmable chip selects. |
| AS | Address strobe | Indicates valid address on multiplexed bus; synchronizes external memory access timing for glueless interfacing with SRAM or Flash. |
| RXD0 / TXD0 | Serial channel 0 I/O | Asynchronous UART interface supporting RS-232/RS-485 physical layer with programmable baud rate generator. |
| CANRX / CANTX | CAN transceiver interface | Differential CAN bus physical layer connection; requires external ISO 11898-compliant transceiver for bus termination and level translation. |
| P6.0–P6.7 | Port 6 general-purpose I/O | Configurable as digital I/O with programmable Schmitt-trigger input thresholds; used for noise-immune sensor inputs in PLC I/O modules. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip PLL clock generation | Configurable multiplication factors (×1.5 to ×5) allow precise CPU/bus clock derivation from low-cost crystals, reducing BOM count and EMI. |
| Peripheral Event Controller (PEC) | 8-channel DMA-like engine enabling single-cycle data transfers between peripherals (e.g., ADC → RAM), freeing CPU for control algorithms. |
| Bootstrap loader | Factory-programmed ROM routine supports in-system programming via serial channel, enabling field firmware updates without debug hardware. |
| Power management modes | Idle and power-down modes reduce active current to <100 µA; extends runtime in battery-backed industrial HMI applications. |
| Oscillator watchdog | Dedicated circuit monitors crystal oscillation stability and triggers reset if clock fails, ensuring fail-safe behavior in safety-critical motion controllers. |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC compressors and pump systems. IC Role / Device Role / Timing Role: Real-time execution of FOC (Field-Oriented Control) algorithm, synchronized PWM generation, and current/voltage sampling via integrated ADC and CAPCOM. Use Value: Deterministic 25 MHz CPU timing ensures <1 µs jitter in PWM edge placement, critical for torque ripple reduction and acoustic noise suppression. |
Use Scenario: Centralized control of door locks, window lifts, lighting, and seat position memory in mid-tier vehicles. IC Role / Device Role / Timing Role: CAN 2.0B node managing message filtering, transmission scheduling, and fault logging across distributed ECUs. Use Value: Full-CAN message object architecture enables concurrent handling of 15 prioritized messages without CPU polling, meeting ISO 11898-1 timing constraints. |
| Programmable Logic Controllers | Factory Automation I/O Modules |
Use Scenario: Standalone logic controller executing ladder diagrams for conveyor belt sequencing and safety interlocks. IC Role / Device Role / Timing Role: High-speed interrupt-driven I/O scanning using PEC-assisted data transfer between port registers and RAM buffers. Use Value: 40 ns interrupt sample rate and 111 GPIO lines with hysteresis support reliable operation in electrically noisy plant-floor environments. |
Use Scenario: Modular analog/digital I/O expansion unit communicating with main controller via CAN or serial interface. IC Role / Device Role / Timing Role: Local signal conditioning, isolation supervision, and timestamped event capture using GPT and CAPCOM units. Use Value: Integrated 10-bit ADC with 7.8 µs conversion time enables 128 kSPS sampling for vibration monitoring sensors without external ADC ICs. |
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 |
|---|---|---|---|
| SAB-C167CR-16R33M | Same die, 33 MHz max CPU clock (vs. 25 MHz), identical memory map and peripheral set. | Supports higher servo loop bandwidths (e.g., >10 kHz current loops) where timing margin is critical. | Select when system timing budget requires faster instruction throughput but same I/O and memory footprint. |
| SAK-C167CR-4RM | 32 KB mask ROM (vs. 128 KB), otherwise identical package, clock, and peripheral configuration. | Suitable for smaller firmware footprints such as simple sensor nodes or actuator drivers without complex protocol stacks. | Choose for cost-sensitive designs where reduced ROM capacity suffices and PCB layout compatibility with MQFP-144 is required. |
Compared with SAB-C167CR-16R33M and SAK-C167CR-4RM, the C167CRLMHAKXQLA2 offers optimal balance of code storage (128 KB), deterministic 25 MHz timing, and industrial-grade I/O-making it preferred for full-featured motor controllers where firmware complexity and real-time predictability are both critical.
Availability
C167CRLMHAKXQLA2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, and programmable logic controllers requiring stable component supply and long-term lifecycle support.
Supply support for C167CRLMHAKXQLA2 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 industrial microcontrollers, with headquarters in Munich.
The C167CR family was designed for deterministic real-time control in harsh industrial and automotive environments, emphasizing integrated peripherals, robust I/O, and CAN connectivity for distributed embedded systems.
FAQ
What is the maximum operating temperature range for C167CRLMHAKXQLA2?
The C167CRLMHAKXQLA2 is rated for industrial temperature range: –40 °C to +85 °C. This specification is confirmed in Section 2.2 of the V3.3 datasheet (Feb. 2005), which defines all C167CR-LM variants-including this ordering code-as qualified for extended ambient operation without derating.
Does C167CRLMHAKXQLA2 support in-application programming (IAP)?
No-C167CRLMHAKXQLA2 contains mask ROM, not flash memory. Firmware is permanently programmed during wafer fabrication. In-system updates are possible only via the on-chip bootstrap loader using serial channel 0, but require pre-verified binary images and do not permit runtime modification of running code.
Is the CAN module compatible with ISO 11898-2 physical layer?
The on-chip CAN module implements the CAN 2.0B protocol controller only. It requires an external ISO 11898-2 compliant transceiver (e.g., Infineon TLE6250 or TI SN65HVD230) for differential bus signaling, termination, and fault protection-no internal PHY is integrated.
What debug interface does C167CRLMHAKXQLA2 provide?
C167CRLMHAKXQLA2 supports on-chip debugging via Infineon's OCDS (On-Chip Debug Support) interface using pins TDI, TDO, TCK, and TMS. This JTAG-compatible interface enables full breakpoint, watchpoint, and register visibility through Infineon DAS or third-party ICE tools-not SWD or SWIM.
C167CRLMHAKXQLA2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 144-BQFP
- Series:
- C16xx
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- C166
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, EBI/EMI, SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 111
- Program Memory Size:
- -
- Program Memory Type:
- ROMless
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
C167CRLMHAKXQLA2 FAQ
1.How can I place an order for C167CRLMHAKXQLA2 through Aetrix?
Please submit a Request for Quotation (RFQ) for C167CRLMHAKXQLA2 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 C167CRLMHAKXQLA2 reliable?
The price and inventory of C167CRLMHAKXQLA2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for C167CRLMHAKXQLA2 is usually 5 days.
3.What payment methods are accepted for C167CRLMHAKXQLA2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for C167CRLMHAKXQLA2 transactions.
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4.How is shipping managed for C167CRLMHAKXQLA2?
C167CRLMHAKXQLA2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your C167CRLMHAKXQLA2 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 C167CRLMHAKXQLA2?
For technical support, including C167CRLMHAKXQLA2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your C167CRLMHAKXQLA2 requirements.
6.How does Aetrix verify that C167CRLMHAKXQLA2 is sourced from the original manufacturer or authorized distributors?
All C167CRLMHAKXQLA2 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 C167CRLMHAKXQLA2 meets industry standards.
7.What is the process for return or replacement of C167CRLMHAKXQLA2?
All C167CRLMHAKXQLA2 units undergo pre-shipment inspection (PSI). If there is an issue with C167CRLMHAKXQLA2, 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 C167CRLMHAKXQLA2 part is unused and in its original packaging.
Return procedure for C167CRLMHAKXQLA2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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