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NXP Semiconductors MK40DX256ZVLQ10
- Part No.:
- MK40DX256ZVLQ10
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
MK40DX256ZVLQ10.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,793
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Product details
Overview
MK40DX256ZVLQ10 from NXP is a 32-bit ARM® Cortex®-M4 microcontroller with DSP extension, operating at 100 MHz, featuring 256 KB flash, 64 KB SRAM, and 256 KB FlexMemory (emulated EEPROM). It integrates Full-Speed USB 2.0 On-The-Go with device charger detect and a low-power segment LCD controller supporting up to 320 segments (40×8 or 44×4), targeting portable medical and consumer HMI devices.
For engineers reviewing the MK40DX256ZVLQ10 datasheet, MK40DX256ZVLQ10 pinout, MK40DX256ZVLQ10 application, or MK40DX256ZVLQ10 equivalent, key selection criteria include USB OTG capability with DCD, LCD segment count support, FlexMemory byte-erasable EEPROM functionality, 100 MHz real-time performance, and LQFP-100 package compatibility for space-constrained HMI designs.
Technical Context
The MK40DX256ZVLQ10 implements an ARM Cortex-M4 core with hardware floating-point unit and DSP instruction set, enabling efficient signal processing in battery-powered applications. It includes a dedicated low-leakage wake-up unit, independent RTC, and programmable delay block for precise timing control in ultra-low-power modes.
Its analog subsystem integrates a 16-bit ADC with PGA, dual DACs (6-bit and 12-bit), analog comparators, and low-power touch-sensing interface - all synchronized via the crossbar-switch DMA for concurrent peripheral servicing without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4 with FPU and DSP extensions, 100 MHz max - enables real-time math-intensive tasks like sensor fusion or audio preprocessing. |
| Flash Memory | 256 KB program flash with four-level security - supports secure firmware updates and code protection in regulated medical devices. |
| FlexMemory | 256 KB emulated EEPROM (32 B–4 KB segments) - provides wear-leveling-capable nonvolatile data storage without external EEPROM chip. |
| SRAM | 64 KB on-chip SRAM - sufficient for RTOS stacks, USB descriptor buffers, and LCD frame buffer in 320-segment displays. |
| LCD Controller | Segment LCD controller supporting up to 320 segments (40×8 or 44×4) with blink mode and segment fail detection - reduces average power and eliminates external LCD driver ICs. |
| USB Interface | Full-Speed USB 2.0 On-The-Go with integrated 3.3 V regulator (120 mA) and Device Charger Detect - enables direct battery charging negotiation and self-powered peripheral operation. |
| Analog Peripherals | 16-bit ADC (16-channel), 12-bit DAC, 6-bit DAC, PGA, analog comparator - supports precision sensor signal conditioning and feedback control loops. |
Pinout & Package
LQFP-100 (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pinout validated per NXP reference schematic K40_100LQFP_SCH.pdf and K40DX256ZVLQ10 pin assignment table (Rev. 9).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA/VSSA | Analog power/ground | Independent analog supply domain isolates noise-sensitive ADC/DAC operation from digital switching noise. |
| PTB0–PTB15 | GPIO Port B | Configurable as LCD backplane/frontplane lines or general-purpose I/O - enables dynamic reassignment of LCD pins without PCB change. |
| USB_DP/USB_DM | USB differential pair | Integrated full-speed transceiver with internal termination - eliminates need for external USB ESD protection diodes in most cases. |
| RTC_CLKIN | Real-time clock input | Accepts 32.768 kHz crystal or external clock - maintains timekeeping during deep-sleep modes with <1 µA current draw. |
| VREGIN/VOUT | USB voltage regulator input/output | Accepts 5 V input; delivers regulated 3.3 V @ 120 mA - powers external sensors or display modules directly from USB port. |
Key Features
| Feature | Design Value |
|---|---|
| FlexMemory EEPROM emulation | 256 KB user-segmentable byte-erase EEPROM with 100k-cycle endurance - replaces external serial EEPROM and simplifies BOM for data logging in glucose meters. |
| Segment LCD controller with fail detect | Hardware-based segment open/short detection - reduces factory test time and prevents erroneous display output in safety-critical medical devices. |
| USB Device Charger Detect (DCD) | Automated identification of USB wall adapters vs. PCs - enables optimal charging current selection to extend battery life in portable GPS receivers. |
| Crossbar-switch DMA | Up to 16-channel DMA with arbitration across peripherals - allows concurrent ADC sampling, LCD refresh, and USB packet transfer without CPU overhead. |
| Low-leakage wake-up unit | Sub-microamp wake-from-VLPR mode with configurable pin/RTC/ADC triggers - extends battery runtime in bike computers with intermittent sensor polling. |
Applications
| Blood Glucose Meters | GPS Receivers |
|---|---|
Use Scenario: Portable handheld device measuring blood glucose concentration using electrochemical test strips and displaying results on segmented LCD. IC Role / Device Role / Timing Role: Main system controller handling analog front-end signal acquisition, USB mass-storage mode for result export, and LCD segment driving with blink mode for low-power status indication. Use Value: Integrated 16-bit ADC with PGA ensures accurate strip current measurement; FlexMemory stores calibration coefficients and patient history without external NV memory. | Use Scenario: Battery-powered navigation device acquiring satellite signals, computing position, and presenting route data on monochrome segment LCD. IC Role / Device Role / Timing Role: Real-time positioning engine executing GNSS algorithms, managing GPS module UART interface, and updating LCD at 2 Hz while maintaining sub-10 µA sleep current. Use Value: 100 MHz Cortex-M4 processes NMEA parsing and waypoint calculations; USB DCD enables fast charging from vehicle USB ports during field use. |
| Bike Computers | Currency Counters |
Use Scenario: Cycling computer capturing speed, cadence, and heart rate via ANT+/BLE sensors and rendering metrics on reflective segment LCD. IC Role / Device Role / Timing Role: Sensor hub aggregating multi-protocol wireless data, performing sensor fusion, and driving LCD with dynamic frontplane/backplane remapping for flexible display layout. Use Value: Programmable delay block synchronizes sensor sampling with wheel rotation events; low-leakage wake-up unit achieves >1-year battery life on coin cell. | Use Scenario: Desktop currency validation system scanning banknotes, verifying security features, and displaying denomination/validity on high-contrast LCD. IC Role / Device Role / Timing Role: Embedded vision co-processor interfacing with CMOS image sensor via FlexBus, controlling stepper motors via FlexTimer PWM, and managing multi-segment display with fail-safe segment checking. Use Value: FlexBus supports external image buffer RAM; segment fail detect prevents misread display of counterfeit alerts during high-speed counting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MK40DN512VLL10 | 100 MHz, 512 KB flash, 128 KB SRAM, same LQFP-100 package, but no FlexMemory (only 4 KB EEPROM) | Higher code density needed for complex USB host stacks or GUI frameworks; lacks byte-erasable EEPROM for frequent data logging | Select when larger flash/SRAM is required and external EEPROM is acceptable for data storage |
| MK64FX512VLQ12 | 120 MHz Cortex-M4F, 512 KB flash, 128 KB SRAM, 2 MB FlexSPI interface, Ethernet MAC, but no integrated segment LCD controller | Targeted at networked industrial gateways; requires external LCD driver IC and lacks USB DCD capability | Select when Ethernet connectivity or higher CPU throughput is prioritized over integrated HMI peripherals |
Compared with MK40DX256ZVLQ10, MK40DN512VLL10 trades FlexMemory for larger flash/SRAM, while MK64FX512VLQ12 abandons integrated LCD/USB DCD for Ethernet and higher clock speed - making MK40DX256ZVLQ10 uniquely balanced for cost-sensitive, battery-powered HMI applications requiring both display and smart charging.
Availability
MK40DX256ZVLQ10 is available at Aetrix Electronics and suitable for blood glucose meters, GPS receivers, bike computers, and currency counters requiring stable component supply, long-term lifecycle support, and qualified automotive-grade traceability.
Supply support for MK40DX256ZVLQ10 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 Kinetis K40 family was designed specifically for ultra-low-power human-machine interface applications requiring integrated LCD driving, USB connectivity, and robust analog sensing - targeting portable medical, fitness, and point-of-sale equipment.
FAQ
What is the maximum operating frequency of the MK40DX256ZVLQ10?
The MK40DX256ZVLQ10 operates at a maximum core frequency of 100 MHz using its ARM Cortex-M4 processor. This speed is achievable with the internal PLL locked to an external 8 MHz crystal or internal reference clock. The MK40DX256ZVLQ10 maintains full peripheral functionality-including USB OTG and LCD controller-at this frequency, enabling deterministic real-time response in portable HMI applications.
Does the MK40DX256ZVLQ10 support USB device charging detection?
Yes, the MK40DX256ZVLQ10 includes integrated USB Device Charger Detect (DCD) logic compliant with USB Battery Charging Specification v1.2. It autonomously identifies SDP (standard downstream port), CDP (charging downstream port), and DCP (dedicated charging port) sources by monitoring voltage thresholds on D+ and D− lines. This capability is implemented in hardware and requires no firmware polling, allowing the MK40DX256ZVLQ10 to configure optimal charging current immediately upon connection.
How many LCD segments can the MK40DX256ZVLQ10 drive?
The MK40DX256ZVLQ10 drives up to 320 LCD segments in configurations such as 40×8 or 44×4, enabled by its integrated low-power segment LCD controller. This includes hardware support for blink mode, segment fail detection, and dynamic frontplane/backplane remapping. All 320 segments are addressable using only the MCU's native GPIO pins-no external driver IC or external bias resistors are required for standard 3 V or 5 V LCD panels.
What type of nonvolatile memory does the MK40DX256ZVLQ10 provide beyond main flash?
Beyond its 256 KB main flash, the MK40DX256ZVLQ10 includes 256 KB of FlexMemory configured as emulated EEPROM. This memory supports byte-level erase and write operations with 100,000-cycle endurance and data retention exceeding 10 years. It is segmented into user-definable blocks (32 B to 4 KB), allowing independent wear leveling and simultaneous code execution from flash while writing to FlexMemory - a critical feature for MK40DX256ZVLQ10-based glucose meters storing daily usage logs.
Is the MK40DX256ZVLQ10 pin-compatible with other Kinetis K40 variants in LQFP-100?
Yes, the MK40DX256ZVLQ10 shares identical pinout and footprint with other Kinetis K40 devices in the 100-pin LQFP package (e.g., MK40DX128ZVLQ10, MK40DN512VLL10), including matching power, ground, GPIO, USB, and LCD signal assignments. This allows direct substitution within the same PCB design when scaling flash size, SRAM, or FlexMemory - provided firmware is updated to match the specific peripheral configuration and memory map of the replacement part.
MK40DX256ZVLQ10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- Kinetis K40
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, SD, SPI, UART/USART, USB, USB OTG
- Peripherals:
- DMA, I2S, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 98
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 42x16b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MK40DX256ZVLQ10 FAQ
1.How can I place an order for MK40DX256ZVLQ10 through Aetrix?
Please submit a Request for Quotation (RFQ) for MK40DX256ZVLQ10 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 MK40DX256ZVLQ10 reliable?
The price and inventory of MK40DX256ZVLQ10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MK40DX256ZVLQ10 is usually 5 days.
3.What payment methods are accepted for MK40DX256ZVLQ10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MK40DX256ZVLQ10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MK40DX256ZVLQ10?
MK40DX256ZVLQ10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MK40DX256ZVLQ10 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 MK40DX256ZVLQ10?
For technical support, including MK40DX256ZVLQ10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MK40DX256ZVLQ10 requirements.
6.How does Aetrix verify that MK40DX256ZVLQ10 is sourced from the original manufacturer or authorized distributors?
All MK40DX256ZVLQ10 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 MK40DX256ZVLQ10 meets industry standards.
7.What is the process for return or replacement of MK40DX256ZVLQ10?
All MK40DX256ZVLQ10 units undergo pre-shipment inspection (PSI). If there is an issue with MK40DX256ZVLQ10, 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 MK40DX256ZVLQ10 part is unused and in its original packaging.
Return procedure for MK40DX256ZVLQ10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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