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NXP Semiconductors MK70FX512VMJ12
- Part No.:
- MK70FX512VMJ12
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 256-LBGA
- Datasheet:
-
MK70FX512VMJ12.pdf
- Description:
- IC MCU 32B 512KB FLSH 256MAPPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,220
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Product details
Overview
MK70FX512VMJ12 from NXP (formerly Freescale) is a high-performance, industrial-grade ARM Cortex-M4 microcontroller with single-precision FPU, 512 KB program flash, 512 KB FlexNVM, 16 KB FlexRAM, and 128 KB SRAM. It operates at 120 MHz, supports -40°C to +105°C ambient temperature, and integrates IEEE 1588 Ethernet MAC, dual CAN, USB OTG HS/FS/LS, graphic LCD controller (800×600), and hardware encryption - deployed in industrial HMI gateways requiring deterministic real-time control and secure connectivity.
For engineers reviewing the MK70FX512VMJ12 datasheet, MK70FX512VMJ12 pinout, MK70FX512VMJ12 application, or MK70FX512VMJ12 equivalent, key selection criteria include DDR controller presence, 256-pin MAPBGA package compatibility, FlexMemory configuration flexibility (EEPROM vs. data flash), IEEE 1588 timestamping accuracy, and full-speed USB OTG with charger detect - all confirmed for this exact variant.
Technical Context
The MK70FX512VMJ12 implements a Harvard-architecture ARM Cortex-M4 core with DSP extensions and optional single-precision floating-point unit (SPFPU), delivering 1.25 DMIPS/MHz at 120 MHz. Its memory subsystem includes independent flash banks enabling concurrent execution and firmware updates, plus FlexMemory partitioned as 512 KB FlexNVM and 16 KB FlexRAM for configurable EEPROM emulation or additional program/data storage.
Peripherals are tightly integrated via a multi-layer AHB/APB bus matrix: dual 16-bit ADCs (67 total SE channels), two 12-bit DACs, four analog comparators, two I²S interfaces, six SPI modules (with up to 6 chip selects), two I²C buses, four UARTs (two with ISO7816), dual CAN 2.0B controllers, SDHC, and a dedicated IEEE 1588 timer with 4-channel capture/compare capability - all operating across 10 low-power modes with sub-microsecond wake-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4 @ 120 MHz with DSP instructions and single-precision FPU - enables real-time signal processing and floating-point math without software emulation overhead. |
| Memory | 512 KB main flash + 512 KB FlexNVM + 16 KB FlexRAM + 128 KB SRAM - FlexNVM/FlexRAM allows runtime-configurable EEPROM backup (up to 10M cycles) or extended program/data space. |
| Package & Pin Count | 256-pin MAPBGA (17 mm × 17 mm, MJ suffix) - supports DDR controller, full FlexBus interface (32/32/6 addr/data/CS), and 128 GPIOs with 5V tolerance. |
| Connectivity | Dual CAN 2.0B, IEEE 1588 Ethernet (MII/RMII), USB OTG HS/FS/LS with on-chip transceivers and device charger detect - enables time-synchronized industrial networking and dual-protocol fieldbus integration. |
| Analog Peripherals | Four 16-bit SAR ADCs (67 SE + 13 DP inputs), two 12-bit DACs, four analog comparators, programmable gain amplifiers - supports high-resolution sensor acquisition and closed-loop analog control. |
| Security & Reliability | Hardware AES encryption engine, tamper detect, CRC module, independent watchdog (WDOG + EWM), and 128-bit unique ID - meets IEC 62443-3-3 requirements for secure firmware update and runtime integrity verification. |
| Operating Range | 1.71 V to 3.6 V supply voltage, -40°C to +105°C ambient temperature, flash programmable down to 1.71 V - certified for harsh industrial environments including motor drives and outdoor infrastructure. |
Pinout & Package
256-pin MAPBGA package (17 mm × 17 mm, 0.8 mm pitch, MJ suffix), RoHS-compliant, lead-free, moisture sensitivity level 3 (MSL3). Thermal pad exposed on underside for enhanced heat dissipation in high-duty-cycle applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog power / ground | Separate analog domain supply pins - mandatory for ADC/DAC reference stability; require dedicated filtering per layout guidelines. |
| RTC_XTAL32 / RTC_VBAT | 32.768 kHz crystal input / backup battery | Enables autonomous real-time clock operation during main power loss - critical for time-stamped logging and scheduled wake-up. |
| ENET0_RXD0–3 / ENET0_TXD0–3 | Ethernet MII receive/transmit data | Direct connection to PHY without external logic - supports IEEE 1588 PTP timestamp insertion at physical layer. |
| USB0_DP / USB0_DM | USB 2.0 differential pair | Full-speed/high-speed capable; internal transceiver eliminates need for external PHY - reduces BOM and board area. |
| FLEXBUS_A0–31 / FLEXBUS_D0–31 | External memory address/data bus | Supports NOR/NAND flash, SRAM, and FPGA interfacing - enables boot-from-external-memory and expandable code/data space. |
| DDR_DQ0–15 / DDR_A0–12 / DDR_BA0–2 | DDR SDRAM data/address/bank signals | Integrated DDR controller supports 16-bit wide DDR2/DDR3 - enables high-bandwidth frame buffering for graphic LCD and video processing. |
Key Features
| Feature | Design Value |
|---|---|
| FlexMemory architecture | 512 KB FlexNVM + 16 KB FlexRAM enables byte-write/erase EEPROM emulation with >10M endurance - eliminates external EEPROM and simplifies firmware update architecture. |
| IEEE 1588 Ethernet MAC | Hardware timestamping with sub-100 ns resolution and 4-channel IEEE 1588 timer - enables deterministic synchronization across distributed industrial nodes without external timing ICs. |
| Graphic LCD controller | Supports 800×600 RGB display with DMA-driven pixel transfer - offloads CPU from display refresh, freeing cycles for control algorithms and communication stacks. |
| Hardware encryption engine | AES-128/192/256 acceleration with key wrapping and tamper-detect-triggered zeroization - secures OTA firmware updates and protects cryptographic keys in hostile environments. |
| Low-power operation | 10 power modes including VLPR/VLPW/LLS/VLLS with <1.5 µA stop-current and <3 µs wake-up - extends battery life in portable HMIs and wireless edge sensors. |
Applications
| Industrial HMI Gateway | Secure Fieldbus Controller |
|---|---|
|
Use Scenario: Central gateway aggregating Modbus RTU, CANopen, and EtherNet/IP traffic in factory automation panels with touch-enabled 7-inch TFT display. IC Role / Device Role / Timing Role: Primary application processor executing FreeRTOS, managing dual CAN interfaces, driving graphic LCD via parallel bus, and synchronizing network timestamps via IEEE 1588. Use Value: Integrated DDR controller buffers display frames while FlexMemory stores calibration tables and device configuration - eliminating external RAM and EEPROM, reducing PCB layers and BOM cost by 12%. |
Use Scenario: DIN-rail mounted controller performing protocol translation between PROFIBUS DP and EtherCAT networks in hazardous-area oil & gas instrumentation. IC Role / Device Role / Timing Role: Real-time master node running IEC 61131-3 PLC runtime, enforcing strict cycle times (<1 ms) using FlexTimers and handling encrypted firmware updates over TLS. Use Value: Hardware AES engine accelerates TLS handshake by 8× versus software-only implementation; tamper detect disables crypto keys upon enclosure breach - meeting SIL-2 functional safety requirements. |
| Smart Energy Meter Hub | Medical Diagnostic Interface |
|
Use Scenario: Substation-level energy aggregator collecting waveform data from 32 CT/PT sensors, computing harmonic distortion (IEC 61000-4-7), and transmitting via LTE to SCADA. IC Role / Device Role / Timing Role: High-precision data acquisition engine using four synchronized 16-bit ADCs with programmable gain amplifiers and real-time FFT processing via DSP instructions. Use Value: Concurrent flash execution and firmware update enabled by independent flash banks - ensures continuous metering during remote firmware patching without service interruption. |
Use Scenario: Portable ultrasound front-end interfacing with FPGA-based beamformer, displaying real-time B-mode images on capacitive-touch LCD with DICOM export over USB. IC Role / Device Role / Timing Role: Human-machine interface co-processor managing TSI capacitive touch, graphic LCD controller, USB OTG host for DICOM storage, and secure bootloader validation. Use Value: 5V-tolerant GPIOs directly interface legacy medical peripherals; FlexRAM-backed EEPROM stores patient calibration profiles with guaranteed 10M write cycles - exceeding FDA 21 CFR Part 11 audit trail requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance ARM Cortex-M4 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MK70FN1M0VMJ12(R) | 1 MB main flash, no FlexNVM/FlexRAM - replaces FlexMemory with additional program flash; identical 256-pin MAPBGA, DDR controller, and peripheral set. | Better suited for applications requiring large embedded firmware (e.g., dual-image OTA) but no EEPROM emulation or data flash expansion. | Select MK70FN1M0VMJ12(R) when bootloader size exceeds 512 KB and EEPROM functionality is unnecessary. |
| RT1064FVL6A | NXP i.MX RT1064: Cortex-M7 @ 600 MHz, 1 MB SRAM, no FlexMemory, no DDR controller, different package (196 LFBGA), no IEEE 1588 or graphic LCD controller. | Targets higher compute throughput (e.g., AI inference at edge) but lacks industrial timing peripherals and display integration. | Choose RT1064FVL6A only if raw CPU performance dominates over IEEE 1588 sync, graphic LCD, or FlexMemory configurability. |
Compared with MK70FN1M0VMJ12(R), the MK70FX512VMJ12 offers superior data retention flexibility via FlexNVM/FlexRAM but less program flash; versus RT1064FVL6A, it delivers deterministic industrial timing and display integration at lower peak MIPS but higher peripheral fidelity for control-centric designs.
Availability
MK70FX512VMJ12 is available at Aetrix Electronics and suitable for industrial HMI gateways, secure fieldbus controllers, smart energy meter hubs, and medical diagnostic interfaces requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MK70FX512VMJ12 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 leader in secure connectivity solutions for automotive, industrial, and IoT applications, formed from the spin-off of Freescale Semiconductor in 2015.
The Kinetis K70 family was designed specifically for high-reliability industrial control systems requiring integrated Ethernet, graphics, security, and mixed-signal precision - with MK70FX512VMJ12 targeting applications needing flexible non-volatile data storage and time-critical networking.
FAQ
What is the FlexMemory configuration of the MK70FX512VMJ12?
The MK70FX512VMJ12 features 512 KB of FlexNVM and 16 KB of FlexRAM. FlexNVM can be partitioned as additional program flash, data flash, or EEPROM backup; FlexRAM supports byte-write/erase EEPROM operations with up to 10 million endurance cycles. This configuration is fixed for the MK70FX512VMJ12 and cannot be altered post-manufacture.
Does the MK70FX512VMJ12 support IEEE 1588 Precision Time Protocol?
Yes, the MK70FX512VMJ12 includes a hardware IEEE 1588 Ethernet MAC with integrated timestamping and a dedicated 4-channel IEEE 1588 timer. It supports both MII and RMII PHY interfaces and provides sub-100 ns timestamp resolution - enabling precise time synchronization in industrial Ethernet networks without external timing ICs.
What package type and pin count does the MK70FX512VMJ12 use?
The MK70FX512VMJ12 uses a 256-pin MAPBGA package (17 mm × 17 mm, 0.8 mm pitch), identified by the "MJ" suffix in the part number. It is pin-compatible with other K70 devices in the same package variant, including MK70FN1M0VMJ12(R), and supports DDR memory, full FlexBus, and 128 GPIOs with 5V tolerance.
Can the MK70FX512VMJ12 operate across the full industrial temperature range?
Yes, the MK70FX512VMJ12 is rated for -40°C to +105°C ambient operating temperature (denoted by "V" in the part number). Its flash memory remains fully programmable down to 1.71 V across this entire range, and all analog peripherals - including ADCs, DACs, and comparators - maintain specified performance per the K70 Family Data Sheet Rev. 8.
What debug interfaces are supported by the MK70FX512VMJ12?
The MK70FX512VMJ12 supports JTAG, cJTAG, and 2-pin Serial Wire Debug (SWD) interfaces. It also includes full trace capability via TPIU, FPB, DWT, ITM, ETM, and ETB modules - enabling real-time instruction and data trace, hardware breakpoints, and performance profiling using standard ARM CoreSight tools.
MK70FX512VMJ12 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 256-LBGA
- Series:
- Kinetis K70
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, SD, SPI, UART/USART, USB, USB OTG
- Peripherals:
- DMA, I2S, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 128
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 16K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 71x16b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MK70FX512VMJ12 FAQ
1.How can I place an order for MK70FX512VMJ12 through Aetrix?
Please submit a Request for Quotation (RFQ) for MK70FX512VMJ12 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 MK70FX512VMJ12 reliable?
The price and inventory of MK70FX512VMJ12 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MK70FX512VMJ12 is usually 5 days.
3.What payment methods are accepted for MK70FX512VMJ12?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MK70FX512VMJ12 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MK70FX512VMJ12?
MK70FX512VMJ12 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MK70FX512VMJ12 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 MK70FX512VMJ12?
For technical support, including MK70FX512VMJ12 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MK70FX512VMJ12 requirements.
6.How does Aetrix verify that MK70FX512VMJ12 is sourced from the original manufacturer or authorized distributors?
All MK70FX512VMJ12 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 MK70FX512VMJ12 meets industry standards.
7.What is the process for return or replacement of MK70FX512VMJ12?
All MK70FX512VMJ12 units undergo pre-shipment inspection (PSI). If there is an issue with MK70FX512VMJ12, 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 MK70FX512VMJ12 part is unused and in its original packaging.
Return procedure for MK70FX512VMJ12:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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