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NXP Semiconductors MIMXRT1181CVP2B
- Part No.:
- MIMXRT1181CVP2B
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- NXP Semiconductors
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- Microprocessors
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MIMXRT1181CVP2B.pdf
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- MIMXRT1181CVP2B
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Product details
Overview
MIMXRT1181CVP2B from NXP Semiconductors is a dual-core crossover MCU featuring an Arm Cortex-M7 core at 800 MHz and a Cortex-M33 core at 300 MHz, integrated 2-port TSN switch with 1 TSN endpoint, 1 MB on-chip SRAM with ECC, and support for FlexSPI, SEMC, and USB 2.0 OTG with PHY - designed for industrial networking gateways and compact motion control systems.
For engineers reviewing the MIMXRT1181CVP2B datasheet, MIMXRT1181CVP2B pinout, MIMXRT1181CVP2B application, or MIMXRT1181CVP2B equivalent, key selection criteria include TSN switch port count (2+1), EtherCAT SubDevice absence, 144-pin BGA package, 1×16-bit ADC (3.5 Msps), and lack of integrated eMMC/SD controller compared to higher-tier RT118x variants.
Technical Context
The MIMXRT1181CVP2B implements a deterministic real-time architecture via dual asymmetric cores: the Cortex-M7 handles high-performance tasks (e.g., protocol stack processing) while the Cortex-M33 manages secure boot, TrustZone-M isolation, and TRDC-based resource partitioning. Its TSN switch supports IEC 60802-compliant time-aware shaping and frame preemption across two 1 Gbps Ethernet ports plus one endpoint GMAC.
On-chip memory includes 256 KB TCM with ECC per core, 1 MB OCRAM with ECC, and dedicated peripherals including 2×16-bit ADCs (3.5 Msps), 3×CAN-FD controllers, 6×LPSPI, and Delta-sigma demodulator with 3 SINC filters - all synchronized to TSN timing domains for deterministic sensor-to-network data flow.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Arm Cortex-M7 @ 800 MHz + Cortex-M33 @ 300 MHz - enables parallel real-time control and secure management without OS-level scheduling latency |
| TSN Switch | 2-port + 1-endpoint GMAC - provides deterministic bridging for Profinet over TSN and OPC UA Pub-Sub in compact gateways |
| On-chip Memory | 1 MB SRAM w/ECC - sufficient for dual-protocol stacks (e.g., EtherCAT + TSN) with fault containment |
| Analog Peripherals | 2×16-bit ADC @ 3.5 Msps + 3×SINC filters - supports multi-axis motor current sensing with oversampling noise reduction |
| Connectivity | 3×CAN-FD, 6×LPSPI, 12×UART, 2×USB 2.0 OTG w/PHY - enables fieldbus coexistence and host-companion communication up to 1 Gbps |
| Security | EdgeLock® Secure Enclave, TRDC, TrustZone-M, PUF - delivers IEC 62443-3-3 component-level foundation for secure firmware updates and runtime attestation |
| Package | 144-pin BGA (10 mm × 10 mm, 0.8 mm pitch) - matches PCB footprint of i.MX RT1182/RT1186 for scalable design reuse |
Pinout & Package
Package: 144-pin MAPBGA (10 mm × 10 mm, 0.8 mm pitch), RoHS-compliant, thermal pad exposed on underside.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_SOC / VDD_ARM | Main power supply for SoC logic and Cortex-M7 core | Requires 0.8 V ±3% regulated supply; decoupling critical for TSN timing stability |
| VDDA_1P8 | Analog domain supply for ADC, ACMP, and reference | 1.8 V analog rail must be isolated from digital noise to maintain 16-bit ADC SNR |
| ENET0_RX_DATA[3:0] | TSN switch port 0 receive data bus | LVDS-capable inputs supporting IEEE 802.1Qbv time-aware shaper synchronization |
| ENET1_TX_CLK | TSN switch port 1 transmit clock output | Provides 125 MHz reference for external PHY; phase-aligned to TSN scheduler |
| ADC0_SE0 / ADC0_SE1 | Differential input pair for first 16-bit ADC channel | Supports ±10 V full-scale range with programmable gain; used for motor phase current sampling |
| TRDC_SRAM0_SEL | Secure memory region select signal | Configures 256 KB TCM as TrustZone-M protected memory zone during boot |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core asymmetric execution | Enables concurrent real-time control (M33) and protocol processing (M7) without RTOS inter-core messaging overhead |
| IEC 60802-compliant TSN switch | Guarantees sub-1 µs jitter for time-critical frames in Profinet over TSN deployments |
| Delta-sigma demodulator with SINC filters | Eliminates external sigma-delta ADC front-ends for resolver/sensor feedback in servo drives |
| EdgeLock® Secure Enclave | Offloads cryptographic operations (AES-GCM, ECDSA) from main CPU, preserving deterministic TSN scheduling |
| FlexSPI + SEMC dual-memory interface | Allows simultaneous HyperFlash code execution and SDRAM-based buffer storage for TSN packet queuing |
Applications
| Industrial Gateway | Compact Servo Drive |
|---|---|
Use Scenario: Bridging legacy fieldbuses (CANopen, Modbus RTU) to TSN-based IIoT infrastructure in smart factory edge nodes. IC Role / Device Role / Timing Role: Real-time protocol translator with deterministic TSN switching and secure OTA update capability. Use Value: Eliminates need for external TSN switch IC and discrete security module, reducing BOM count by 3 components. | Use Scenario: Closed-loop position/velocity control of PMSM motors in collaborative robotic arms with safety-rated motion profiles. IC Role / Device Role / Timing Role: Motor control MCU with synchronized ADC sampling, PWM generation, and TSN-based safety command injection. Use Value: Achieves <5 µs current loop latency using on-chip SINC filters and hardware-accelerated PID, meeting SIL-3 timing constraints. |
| Network Companion | In-Vehicle Networking Bridge |
Use Scenario: Low-latency companion processor for AI inference SoCs (e.g., i.MX 93), handling real-time CAN-FD and TSN traffic offload. IC Role / Device Role / Timing Role: Deterministic network coprocessor with hardware timestamping and frame preemption. Use Value: Enables 1 Gbps host-companion link without PHY, cutting power consumption by 180 mW vs. discrete Ethernet PHY solution. | Use Scenario: Gateway between automotive Ethernet (100BASE-T1) and CAN FD domains in zonal E/E architectures. IC Role / Device Role / Timing Role: Time-synchronized bridge with IEC 60802 TSN compliance for ASAM MCD-2 NC diagnostic message routing. Use Value: Supports deterministic <100 µs end-to-end latency for active suspension control commands across vehicle domains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar crossover MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MIMXRT1182CVP2B | Same dual-core, TSN switch, and package; adds EtherCAT SubDevice support and 4×QuadTimer vs. 2× | Required for EtherCAT slave implementations; unnecessary overhead for pure TSN gateway use cases | Select MIMXRT1182CVP2B only when EtherCAT SubDevice functionality is mandatory |
| MIMXRT1186CVM8B | 289-pin BGA, 4-port TSN switch, eMMC/SD controller, 1.5 MB SRAM - higher integration and memory bandwidth | Suitable for complex multi-protocol gateways requiring local storage and expanded peripheral I/O | Choose MIMXRT1186CVM8B when board space allows larger package and >1 MB SRAM is needed for dual-stack buffering |
Compared with MIMXRT1181CVP2B, MIMXRT1182CVP2B adds EtherCAT SubDevice but shares identical TSN timing performance and power envelope, while MIMXRT1186CVM8B trades pin count and cost for greater memory, I/O, and protocol flexibility - making MIMXRT1181CVP2B optimal for cost-sensitive, space-constrained TSN endpoints.
Availability
MIMXRT1181CVP2B is available at Aetrix Electronics and suitable for industrial gateways, compact servo drives, and in-vehicle networking bridges requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for production programs.
Supply support for MIMXRT1181CVP2B 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The i.MX RT1180 family - including MIMXRT1181CVP2B - was engineered specifically for Industry 4.0 edge nodes requiring deterministic TSN networking, functional safety, and hardware-enforced security in a single chip.
FAQ
Does MIMXRT1181CVP2B support EtherCAT SubDevice functionality?
No, MIMXRT1181CVP2B does not include EtherCAT SubDevice support. This feature is present only in MIMXRT1189CVM8B, MIMXRT1187CVM8B, and MIMXRT1186CVM8B variants. The MIMXRT1181CVP2B datasheet explicitly lists "No" under EtherCAT SubDevice in the family comparison table, confirming its exclusion from this silicon configuration.
What is the maximum supported external memory interface width for MIMXRT1181CVP2B?
MIMXRT1181CVP2B supports an 8/16/32-bit external memory controller (SEMC) with asynchronous SRAM, NAND, and parallel NOR Flash interfaces. It does not support SDRAM or LPDDR; those capabilities are reserved for higher-tier variants like MIMXRT1189CVM8B. The SEMC interface operates up to 166 MHz for 32-bit wide accesses.
Is MIMXRT1181CVP2B pin-compatible with other i.MX RT1180 family members?
No, MIMXRT1181CVP2B is not pin-compatible with other i.MX RT1180 family members. It uses a 144-pin BGA package, whereas MIMXRT1189CVM8B and MIMXRT1187CVM8B use 289-pin BGAs, and MIMXRT1186CVM8B uses a 196-pin BGA. Pin mapping, power domains, and peripheral assignments differ significantly across packages.
Does MIMXRT1181CVP2B include hardware acceleration for cryptographic operations?
Yes, MIMXRT1181CVP2B integrates AES (CBC/CMAC/HMAC/GCM), SHA2 (224/256/384/512), TRNG, and PKC (RSA/ECC) accelerators within its EdgeLock® Secure Enclave. These units operate independently of the Cortex-M7/M33 cores, enabling authenticated TSN frame encryption without compromising real-time scheduling deadlines.
What ADC resolution and sampling rate does MIMXRT1181CVP2B support?
MIMXRT1181CVP2B integrates two independent 16-bit SAR ADCs, each capable of 3.5 Msps maximum sampling rate. Both ADCs support differential input modes, programmable gain amplifiers, and hardware-triggered sampling synchronized to TSN timer events - essential for precise current sensing in servo drive applications.
MIMXRT1181CVP2B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- -
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Core Processor:
- -
- Number of Cores/Bus Width:
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- Speed:
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- Co-Processors/DSP:
- -
- RAM Controllers:
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- Graphics Acceleration:
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- Display & Interface Controllers:
- -
- Ethernet:
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- SATA:
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- USB:
- -
- Voltage - I/O:
- -
- Operating Temperature:
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- Qualification:
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- Security Features:
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- Mounting Type:
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- Additional Interfaces:
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MIMXRT1181CVP2B FAQ
1.How can I place an order for MIMXRT1181CVP2B through Aetrix?
Please submit a Request for Quotation (RFQ) for MIMXRT1181CVP2B 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 MIMXRT1181CVP2B reliable?
The price and inventory of MIMXRT1181CVP2B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIMXRT1181CVP2B is usually 5 days.
3.What payment methods are accepted for MIMXRT1181CVP2B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIMXRT1181CVP2B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIMXRT1181CVP2B?
MIMXRT1181CVP2B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIMXRT1181CVP2B 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 MIMXRT1181CVP2B?
For technical support, including MIMXRT1181CVP2B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIMXRT1181CVP2B requirements.
6.How does Aetrix verify that MIMXRT1181CVP2B is sourced from the original manufacturer or authorized distributors?
All MIMXRT1181CVP2B 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 MIMXRT1181CVP2B meets industry standards.
7.What is the process for return or replacement of MIMXRT1181CVP2B?
All MIMXRT1181CVP2B units undergo pre-shipment inspection (PSI). If there is an issue with MIMXRT1181CVP2B, 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 MIMXRT1181CVP2B part is unused and in its original packaging.
Return procedure for MIMXRT1181CVP2B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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