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NXP Semiconductors MCXN235VDFT
- Part No.:
- MCXN235VDFT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
MCXN235VDFT.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 184VFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,300
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Product details
Overview
MCXN235VDFT from NXP Semiconductors is a secure Arm Cortex-M33 150 MHz microcontroller with 512 KB Flash, 192 KB SRAM, EdgeLock Secure Enclave (Core Profile), and 106 GPIOs in 184-pin VFBGA (9 × 9 × 0.86 mm, 0.5 mm pitch). It operates from −40 °C to +125 °C and delivers 50 μA/MHz active current, supporting industrial motor control and smart metering applications requiring functional safety and cryptographic integrity.
For engineers reviewing the MCXN235VDFT datasheet, MCXN235VDFT pinout, MCXN235VDFT application, or MCXN235VDFT equivalent, this page provides verified technical context, low-power performance benchmarks, security subsystem architecture, analog peripheral capabilities (dual 16-bit ADCs at 2 Msps), and validated alternative part selection guidance for industrial HMI and edge AI deployments.
Technical Context
The MCXN235VDFT implements an Arm Cortex-M33 core with TrustZone, FPU, SIMD, and ETM, paired with SmartDMA for parallel camera interface and keypad scanning acceleration. Its memory subsystem includes dual-bank Flash with ECC, 16 KB cache, and configurable SRAM with up to 32 KB ECC-protected retention in Deep Power-down mode.
Security is anchored by the EdgeLock Secure Enclave (Core Profile) featuring AES-256, SHA-2, ECC P-256, TRNG, PUF-based UID, DICE attestation, and tamper detection across six dedicated pins plus voltage, temperature, light, and clock monitoring - all operating down to 1.5 μA with RTC enabled.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 150 MHz with TrustZone, MPU, FPU, SIMD, and ETM - enables real-time deterministic execution with hardware-isolated secure/non-secure worlds. |
| Memory | 512 KB Flash (dual-bank, ECC, Read-While-Write), 192 KB SRAM (configurable with ECC), 256 KB ROM with immutable secure bootloader - supports field firmware updates and secure boot enforcement. |
| Security | EdgeLock Secure Enclave (Core Profile) with AES-256/SHA-2/ECC P-256, PUF-derived UID, DICE attestation, and 6 tamper-detect pins - meets IEC 62443-3-3 SL2 requirements for industrial device identity and integrity. |
| Power Efficiency | 50 μA/MHz active, 2.39 μA Power-down (352 KB SRAM retention), 1.5 μA Deep Power-down (32 KB SRAM + RTC) - enables battery-backed operation in energy-constrained edge nodes. |
| Analog Peripherals | Dual 16-bit ADCs (2 Msps @ 16-bit, 3.15 Msps @ 12-bit), 61-channel input support, integrated temp sensors, two high-speed comparators - suitable for precision motor current sensing and sensor fusion. |
| Package & Temp | 184-pin VFBGA (9 × 9 × 0.86 mm, 0.5 mm pitch), −40 °C to +125 °C operating range - qualified for under-hood automotive ancillary and industrial drive environments. |
| IO & Connectivity | 106 GPIOs across five independent IO power rings, 8x Low-Power Flexcomms (UART/I²C/SPI), 2x CAN FD, 2x I³C, USB HS with on-chip PHY - enables multi-protocol industrial gateway designs. |
Pinout & Package
MCXN235VDFT is housed in a 184-pin Very Thin Fine-Pitch Ball Grid Array (VFBGA) package measuring 9 mm × 9 mm × 0.86 mm with 0.5 mm ball pitch. The package supports 106 GPIOs, six dedicated tamper detection pins, and separate power domains for core, analog, USB, and VBAT.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Digital core supply | 1.045 V nominal (0.95–1.26 V range); powers Cortex-M33 core and AHB matrix - requires strict POR sequencing after VDD_SYS. |
| VDD_SYS | System regulator supply | 1.71–1.98 V; powers on-chip LDOs, clock sources, and HVD/LVD circuits - must ramp before VDD_CORE and VDD_P2/P3/P4. |
| VDD_BAT | VBAT domain supply | 1.71–3.6 V; powers RTC_LP, wake timers, and Port 5 - must ramp before or concurrently with VDD_SYS for reliable low-power retention. |
| TAMPER0–TAMPER5 | Tamper detection inputs | Six dedicated pins for physical intrusion monitoring; connected to Intrusion and Tamper Response Controller (ITRC) - enable hardware-level anti-tamper response in secure boot and key management flows. |
| ADC0_IN0–ADC0_IN31 | Analog input channels | 32 single-ended or 16 differential inputs per ADC; support 16-bit/2 Msps sampling with internal temperature sensor - used for motor phase current and bus voltage measurement. |
| FLEXCOMM0–FLEXCOMM7 | Configurable serial interface | Eight flexible peripherals each supporting UART/I²C/SPI simultaneously; operate in low-power modes - ideal for sensor hub and PLC backplane communication. |
Key Features
| Feature | Design Value |
|---|---|
| EdgeLock Secure Enclave (Core Profile) | Hardware-isolated subsystem delivering AES-256 encryption, ECC key derivation, PUF-based UID, and DICE-compliant device attestation - eliminates software-only trust anchors in industrial firmware updates. |
| SmartDMA co-processor | Offloads parallel data movement for camera interfaces and keypad scanning - reduces CPU load by >70% in HMI applications with real-time display refresh. |
| Dual 16-bit ADC with 4-parallel conversion | Simultaneous sampling of four channels at 2 Msps (16-bit) enables precise BLDC motor commutation timing and current loop control without CPU intervention. |
| Low-power timer suite | Includes LPTMR, Wake Timer, UTICK, and OS Event Timer - supports sub-millisecond scheduling in FreeRTOS-based motor control stacks while maintaining 1.5 μA Deep Power-down current. |
| Flexible IO power domains | Five independent IO rings (P0–P4) with 1.14–3.6 V support - allows mixed-voltage interfacing to legacy 1.2 V logic and 3.3 V sensors without level shifters. |
Applications
| Industrial Motor Drives | Smart Energy Metering |
|---|---|
|
Use Scenario: Closed-loop control of BLDC and PMSM motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms via Cortex-M33 with hardware-accelerated ADC sampling and PWM generation. Use Value: Dual 16-bit ADCs sample motor currents at 2 Msps with 4-parallel conversion, enabling <1 μs current loop latency and ±0.1% torque ripple reduction. |
Use Scenario: Revenue-grade electricity metering with harmonic analysis and tamper detection. IC Role / Device Role / Timing Role: Secure data acquisition engine with isolated analog front-end, cryptographic signing of consumption logs, and RTC-backed time stamping. Use Value: Six tamper pins + voltage/light/clock glitch detection ensure compliance with ANSI C12.22 and IEC 62056-21 for utility-grade meter certification. |
| Factory Automation HMI | Edge AI Predictive Maintenance |
|
Use Scenario: Touch-enabled operator panels with local alarm handling and protocol bridging (CAN FD ↔ Modbus TCP). IC Role / Device Role / Timing Role: Human-machine interface controller with FlexIO-driven display interface and 8x Low-Power Flexcomms for multi-sensor connectivity. Use Value: 106 GPIOs and five IO power rings support direct connection to 4.3″ RGB LCDs, capacitive touch overlays, and 24 V industrial I/O without external level shifters. |
Use Scenario: Vibration and thermal anomaly detection on rotating machinery using MEMS microphone arrays and local ML inference. IC Role / Device Role / Timing Role: Edge AI node performing feature extraction and lightweight neural network inference with secure model update delivery. Use Value: EdgeLock Secure Enclave stores private keys for OTA model signature verification, while SmartDMA streams PDM microphone data directly to SRAM for FFT preprocessing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCXN236VDFT | 1024 KB Flash, 352 KB SRAM, same 184-pin VFBGA package and security features - no pinout or firmware compatibility changes required. | Required for applications needing >512 KB code space (e.g., dual-image secure boot with full RTOS + ML stack). | Select MCXN236VDFT when firmware size exceeds 450 KB or ECC-protected SRAM >192 KB is needed for data buffering. |
| RT1052CVL5B | Arm Cortex-M7 @ 600 MHz, 512 KB SRAM, no EdgeLock Secure Enclave - uses discrete SE050 for crypto offload; different package (196-pin BGA). | Suitable for high-throughput signal processing but lacks integrated tamper detection and PUF-based attestation. | Choose RT1052CVL5B only if raw DSP performance outweighs certified security requirements and external secure element integration is acceptable. |
Compared with MCXN235VDFT, MCXN236VDFT offers double Flash/SRAM in identical packaging for seamless scalability, while RT1052CVL5B trades integrated EdgeLock security for higher CPU throughput - making MCXN235VDFT optimal for cost-sensitive, security-critical industrial edge nodes where tamper resilience and cryptographic root-of-trust are mandatory.
Availability
MCXN235VDFT is available at Aetrix Electronics and suitable for industrial motor drives, smart metering systems, and factory automation HMIs requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MCXN235VDFT 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with over 40 years of microcontroller innovation and ISO 9001-certified manufacturing.
The MCXN23x family targets high-integrity industrial edge applications demanding hardware-enforced security, ultra-low power operation, and deterministic real-time control - specifically engineered for energy infrastructure, robotics, and predictive maintenance systems.
FAQ
What is the maximum operating temperature range for the MCXN235VDFT?
The MCXN235VDFT is rated for continuous operation from −40 °C to +125 °C ambient temperature, qualified per JEDEC JESD22-A103 for high-temperature storage life. This range supports deployment in under-hood automotive auxiliary modules, industrial motor drives, and outdoor smart meter enclosures without derating.
Does the MCXN235VDFT include hardware cryptographic acceleration?
Yes, the MCXN235VDFT integrates the EdgeLock Accelerator for public-key cryptography (ECC, RSA) and EdgeLock Secure Enclave (Core Profile) with AES-256, SHA-2, TRNG, and key derivation - all executing in isolated hardware with PUF-based key protection, eliminating software-only crypto bottlenecks.
How many ADC channels does the MCXN235VDFT support in the 184-pin VFBGA package?
In the MCXN235VDFT 184-pin VFBGA package, the dual 16-bit ADC subsystem supports up to 61 total input channels - configurable as 32 single-ended or 16 differential inputs per ADC - with dedicated temperature sensors and 2 Msps sampling rate at full resolution.
What is the lowest power mode available on the MCXN235VDFT with RTC and SRAM retention?
The MCXN235VDFT achieves 1.5 μA in Deep Power-down mode with RTC enabled and 32 KB SRAM retained, with 5.6 ms wake-up time. This mode maintains calendar time and critical state while disabling all clocks except the 32 kHz RTC oscillator and VBAT domain regulators.
Is the MCXN235VDFT pin-compatible with other members of the MCXN23x family?
Yes, the MCXN235VDFT shares identical 184-pin VFBGA mechanical footprint and pinout with MCXN236VDFT and MCXN235VPBT (HDQFP), enabling hardware reuse across Flash/SRAM variants - though firmware must be recompiled for memory map differences between MCXN235 and MCXN236 devices.
MCXN235VDFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- -
- Series:
- MCX N
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 150MHz
- Connectivity:
- CAN, Ethernet, Flexcomm, I3C, SAI, SCI, USB
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 124
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 2x16b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MCXN235VDFT FAQ
1.How can I place an order for MCXN235VDFT through Aetrix?
Please submit a Request for Quotation (RFQ) for MCXN235VDFT 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 MCXN235VDFT reliable?
The price and inventory of MCXN235VDFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCXN235VDFT is usually 5 days.
3.What payment methods are accepted for MCXN235VDFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCXN235VDFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCXN235VDFT?
MCXN235VDFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCXN235VDFT 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 MCXN235VDFT?
For technical support, including MCXN235VDFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCXN235VDFT requirements.
6.How does Aetrix verify that MCXN235VDFT is sourced from the original manufacturer or authorized distributors?
All MCXN235VDFT 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 MCXN235VDFT meets industry standards.
7.What is the process for return or replacement of MCXN235VDFT?
All MCXN235VDFT units undergo pre-shipment inspection (PSI). If there is an issue with MCXN235VDFT, 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 MCXN235VDFT part is unused and in its original packaging.
Return procedure for MCXN235VDFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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