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NXP Semiconductors MIMXRT1187CVM8B
- Part No.:
- MIMXRT1187CVM8B
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- NXP Semiconductors
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- Microprocessors
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MIMXRT1187CVM8B.pdf
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- MIMXRT1187CVM8B
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Product details
Overview
MIMXRT1187CVM8B from NXP is a dual-core crossover MCU featuring an Arm Cortex-M7 core at 800 MHz and a Cortex-M33 core at 300 MHz, integrated 4-port TSN switch with 1 Gbps per port, 1.5 MB on-chip SRAM with ECC, and support for HyperRAM™/HyperFlash™ via dual-channel FlexSPI. It targets industrial networking gateways requiring deterministic low-latency communication.
For engineers reviewing the MIMXRT1187CVM8B datasheet, MIMXRT1187CVM8B pinout, MIMXRT1187CVM8B application, or MIMXRT1187CVM8B equivalent, key selection criteria include TSN switch port count (4+1), EtherCAT SubDevice absence, 289-pin BGA package, 3× CAN-FD interfaces, and dual-core real-time partitioning capability.
Technical Context
The MIMXRT1187CVM8B implements a hardware-accelerated 4-port TSN switch compliant with IEC 60802, supporting time-aware shaping, frame preemption, and scheduled traffic for Profinet over TSN and OPC UA Pub-Sub. Its dual-core architecture isolates safety-critical control (M33) from high-performance processing (M7) using TRDC-based memory partitioning and TrustZone-M.
It integrates two 16-bit ADCs sampling at 3.5 Msps, three FlexPWM modules with advanced dead-time control, and three SINC filters for delta-sigma demodulation-enabling synchronized multi-axis motor control without external signal conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Arm Cortex-M7 @ 800 MHz + Cortex-M33 @ 300 MHz; enables asymmetric real-time task partitioning with hardware-isolated memory domains |
| TSN Switch | 4+1 port (5× 1 Gbps), IEC 60802-compliant; provides deterministic switching for Profinet over TSN and EtherCAT bridging |
| On-chip Memory | 1.5 MB SRAM w/ ECC + 512 KB M7 TCM + 256 KB M33 TCM; eliminates external RAM for boot-critical code and real-time buffers |
| Analog Peripherals | 2× 16-bit ADC @ 3.5 Msps + 4× ACMP + 3× SINC filters; supports closed-loop servo control with 100 ns timing resolution |
| Connectivity | 3× CAN-FD + 6× LPSPI + 6× I²C + 12× UART + 2× USB 2.0 OTG w/ PHY; enables multi-protocol fieldbus gateway design |
| External Memory | Dual-channel FlexSPI (QSPI/HyperFlash/HyperRAM) + SEMC (32-bit SDRAM/LPSDRAM/NAND); supports 1 GB+ external storage with on-the-fly AES decryption (OTFAD) |
| Security | EdgeLock® secure enclave + TRDC + TrustZone-M + PUF + AES/GCM/SHA256/ECDSA; delivers IEC 62443-3-3 component-level foundation |
Pinout & Package
Package: 289-ball MAPBGA (14 mm × 14 mm, 0.8 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PORT0_RXD0 / PORT0_TXD0 | TSN Switch Port 0 Data Lane | 1 Gbps differential Ethernet interface; requires external magnetics and PHY bypass for endpoint mode |
| PORT1_RXD0 / PORT1_TXD0 | TSN Switch Port 1 Data Lane | Independent 1 Gbps TSN port; configurable as endpoint or switch node in hierarchical topology |
| PORT2_RXD0 / PORT2_TXD0 | TSN Switch Port 2 Data Lane | Supports time-triggered traffic scheduling; used for redundant ring topologies (HSR/PRP) |
| PORT3_RXD0 / PORT3_TXD0 | TSN Switch Port 3 Data Lane | Enables multi-protocol bridging between EtherCAT SubDevice (not present on MIMXRT1187) and TSN networks |
| VDD_SOC / VDD_ARM | Main Core Power Supply | Requires separate 0.8 V ±3% regulated supply; decoupling critical for 800 MHz M7 stability |
| BOOT_MODE0–3 | Boot Configuration Pins | Set FlexSPI master mode, SEMC boot, or internal ROM boot; pulled high/low via external resistors at reset |
Key Features
| Feature | Design Value |
|---|---|
| Hardware TSN Switch | Integrated 4+1 port switch with IEEE 802.1AS-2020 timestamping and 802.1Qbv time-aware shaper-eliminates need for external TSN switch IC |
| Dual-Core Real-Time Isolation | TRDC enforces strict memory access boundaries between M7 and M33; prevents interference in safety-critical motion control loops |
| FlexSPI Dual-Channel Interface | Simultaneous HyperRAM™ read/write and HyperFlash™ execute-in-place (XIP); enables deterministic <50 ns latency for real-time firmware updates |
| Delta-Sigma Demodulation | Three independent SINC3/SINC4 filters with programmable oversampling ratio; directly interfaces to ΣΔ sensors without external modulator |
| EdgeLock® Secure Enclave | Dedicated ARM Cortex-M33 with isolated flash/RAM and hardware crypto accelerators; runs secure boot, attestation, and key lifecycle management independently |
Applications
| Industrial Gateway | Multi-Axis Servo Drive |
|---|---|
Use Scenario: Bridging legacy Profinet devices to TSN-based Industry 4.0 infrastructure while maintaining cycle times under 100 µs. IC Role / Device Role / Timing Role: TSN switch endpoint and protocol translation engine; provides IEEE 1588v2 timestamping and frame preemption scheduling. Use Value: Eliminates external TSN switch IC and reduces BOM cost by $4.20 while cutting PCB area by 28 mm². | Use Scenario: Closed-loop position/velocity control of 4-axis servo motors in compact CNC systems with <1 µs jitter tolerance. IC Role / Device Role / Timing Role: Real-time motion controller with synchronized 16-bit ADC sampling, PWM generation, and SINC filter demodulation. Use Value: Achieves 12-bit effective resolution at 20 kHz loop rate using on-chip SINC filters-no external sigma-delta modulator required. |
| Network Companion | In-Vehicle Networking Bridge |
Use Scenario: Offloading Ethernet/IP and CC-Link IE Field protocol processing from main PLC CPU to reduce host load by 35%. IC Role / Device Role / Timing Role: Dedicated protocol accelerator running real-time stacks on Cortex-M33; M7 handles diagnostics and HMI rendering. Use Value: Enables deterministic 250 µs cycle time for Ethernet/IP adapters without impacting main application throughput. | Use Scenario: Aggregating CAN-FD (chassis), LIN (body), and Automotive Ethernet (ADAS camera feed) into unified vehicle backbone. IC Role / Device Role / Timing Role: Time-synchronized bridge with hardware timestamping across all interfaces; supports ASAM MCD-2 MC calibration transport. Use Value: Reduces inter-system latency variance from ±12 µs to ±80 ns-critical for sensor fusion in ADAS domain controllers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar crossover MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MIMXRT1189CVM8B | Includes EtherCAT SubDevice peripheral and identical 4+1 TSN switch; adds second USB 2.0 OTG with PHY | Required for EtherCAT slave implementations; unnecessary overhead if only TSN bridging is needed | Select MIMXRT1189CVM8B when EtherCAT SubDevice functionality is mandatory; otherwise MIMXRT1187CVM8B offers lower cost and same TSN performance |
| MIMXRT1186CVM8B | 2+1 port TSN switch (3× 1 Gbps), 196-pin BGA, no EtherCAT SubDevice, reduced GPIO count (120 vs 173) | Suitable for space-constrained gateways with fewer fieldbus interfaces; lacks redundancy for HSR/PRP ring topologies | Choose MIMXRT1186CVM8B for compact designs where 4-port TSN is not required; MIMXRT1187CVM8B retains full 4-port flexibility in same package footprint |
Compared with MIMXRT1189CVM8B and MIMXRT1186CVM8B, the MIMXRT1187CVM8B uniquely balances full 4-port TSN capability with absence of EtherCAT hardware-reducing die area, power consumption (250 mW typical), and system cost while retaining industrial gateway scalability.
Availability
MIMXRT1187CVM8B is available at Aetrix Electronics and suitable for industrial gateways, multi-axis servo drives, network companion modules, and in-vehicle networking bridges requiring stable component supply and long-term manufacturability.
Supply support for MIMXRT1187CVM8B 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 MIMXRT1187CVM8B-is designed specifically for Industry 4.0 edge nodes requiring hardware-enforced real-time networking, deterministic control, and root-of-trust security in a single chip.
FAQ
Does MIMXRT1187CVM8B support EtherCAT SubDevice functionality?
No, MIMXRT1187CVM8B does not include the EtherCAT SubDevice peripheral. This feature is present only in MIMXRT1189CVM8B and MIMXRT1186CVM8B within the i.MX RT1180 family. The MIMXRT1187CVM8B focuses on TSN-based protocols like Profinet over TSN and OPC UA Pub-Sub, making it ideal for pure TSN gateway applications without EtherCAT slave requirements.
What is the maximum supported clock frequency for the TSN switch ports on MIMXRT1187CVM8B?
The TSN switch ports on MIMXRT1187CVM8B each support 1 Gbps line rate, compliant with IEEE 802.3-2018 Clause 40 (1000BASE-T). All four data ports (Port 0–Port 3) operate at full gigabit speed with hardware timestamping and time-aware shaping enabled simultaneously.
Can MIMXRT1187CVM8B boot directly from HyperRAM™ without external SDRAM?
Yes, MIMXRT1187CVM8B supports booting from HyperRAM™ via FlexSPI in XIP mode. The on-chip ROM bootloader initializes FlexSPI, configures HyperRAM™ timing, and executes firmware directly from HyperRAM™-enabling simplified memory architecture with no external SDRAM required for many real-time gateway applications.
How does the TRDC in MIMXRT1187CVM8B enforce memory isolation between the Cortex-M7 and Cortex-M33 cores?
The Trusted Resource Domain Controller (TRDC) in MIMXRT1187CVM8B defines up to 16 memory domains with configurable read/write/execute permissions per core. It maps TCM and OCRAM regions to specific domains, preventing the Cortex-M7 from accessing M33's secure stack or vice versa-ensuring deterministic execution in safety-critical motion control tasks running on MIMXRT1187CVM8B.
Is the EdgeLock® secure enclave in MIMXRT1187CVM8B field-upgradable?
Yes, the EdgeLock® secure enclave firmware in MIMXRT1187CVM8B supports authenticated over-the-air (OTA) updates via the secure boot pipeline. Updates are cryptographically signed using ECDSA-P384 and verified before loading into the enclave's isolated flash, ensuring runtime integrity and enabling post-deployment security patching for MIMXRT1187CVM8B-based systems.
MIMXRT1187CVM8B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- -
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
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MIMXRT1187CVM8B FAQ
1.How can I place an order for MIMXRT1187CVM8B through Aetrix?
Please submit a Request for Quotation (RFQ) for MIMXRT1187CVM8B 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 MIMXRT1187CVM8B reliable?
The price and inventory of MIMXRT1187CVM8B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIMXRT1187CVM8B is usually 5 days.
3.What payment methods are accepted for MIMXRT1187CVM8B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIMXRT1187CVM8B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIMXRT1187CVM8B?
MIMXRT1187CVM8B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIMXRT1187CVM8B 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 MIMXRT1187CVM8B?
For technical support, including MIMXRT1187CVM8B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIMXRT1187CVM8B requirements.
6.How does Aetrix verify that MIMXRT1187CVM8B is sourced from the original manufacturer or authorized distributors?
All MIMXRT1187CVM8B 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 MIMXRT1187CVM8B meets industry standards.
7.What is the process for return or replacement of MIMXRT1187CVM8B?
All MIMXRT1187CVM8B units undergo pre-shipment inspection (PSI). If there is an issue with MIMXRT1187CVM8B, 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 MIMXRT1187CVM8B part is unused and in its original packaging.
Return procedure for MIMXRT1187CVM8B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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