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NXP Semiconductors MK50DX128CLL7
- Part No.:
- MK50DX128CLL7
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MK50DX128CLL7.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,962
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Product details
Overview
MK50DX128CLL7 from NXP (formerly Freescale) is a 72 MHz ARM Cortex-M4 microcontroller with DSP extension, 128 KB flash, 32 KB SRAM, 32 KB FlexNVM, and 2 KB FlexRAM. It features dual 16-bit ADCs (19+3 SE/DP and 18+3 SE/DP channels), three analog comparators, one 12-bit DAC, USB OTG LS/FS with device charger detect, and 59 GPIO pins with interrupt capability. It targets low-power industrial HMI and sensor interface applications.
For engineers reviewing the MK50DX128CLL7 datasheet, MK50DX128CLL7 pinout, MK50DX128CLL7 application, or MK50DX128CLL7 equivalent, key selection criteria include its 72 MHz Cortex-M4 core with DSP support, FlexMemory configuration (128 KB flash + 32 KB FlexNVM), USB OTG with DCD, dual high-resolution ADC subsystems, and 100-pin LQFP package with 5V-tolerant I/O.
Technical Context
The MK50DX128CLL7 implements an ARM Cortex-M4 core with hardware-accelerated DSP instructions but no floating-point unit. Its memory architecture integrates main program flash with configurable FlexMemory (32 KB FlexNVM partitionable for data flash or EEPROM backup, and 2 KB FlexRAM usable as high-endurance EEPROM or RAM).
Peripherals include two independent 16-bit SAR ADCs with programmable gain amplifiers and differential inputs, three analog comparators with integrated 6-bit DACs, a carrier modulator transmitter (CMT) for IR waveform generation, and a full-speed USB OTG controller with on-chip transceiver and dedicated device charger detection logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4 @ 72 MHz with DSP instruction set; enables real-time signal processing without external co-processor. |
| Flash Memory | 128 KB main program flash + 32 KB FlexNVM; supports concurrent code execution and firmware updates via read-while-write capability. |
| SRAM | 32 KB on-chip SRAM; sufficient for RTOS stacks, communication buffers, and real-time control variables. |
| FlexRAM | 2 KB FlexRAM configured as EEPROM; provides byte-write/erase with >10M endurance and no software emulation overhead. |
| ADC System | Dual 16-bit SAR ADCs: ADC0 (19 SE + 3 DP channels), ADC1 (18 SE + 3 DP channels); supports simultaneous sampling and hardware-triggered conversions. |
| USB Interface | Full-Speed/Low-Speed USB OTG with integrated transceiver and Device Charger Detect (DCD); eliminates need for external USB PHY or charging-detection circuitry. |
| Package | 100-pin LQFP (14 mm × 14 mm); provides 59 GPIO with interrupt capability, 5V-tolerant inputs, and standard PCB assembly compatibility. |
Pinout & Package
100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, with exposed thermal pad. Pinout validated per MK50DX128CLL7 reference schematic and K50 Family Pin Multiplexing document.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog power / ground | Separate analog supply domain ensures ADC/DAC reference stability; requires local decoupling. |
| PTA0–PTA31 | GPIO Port A | 32-bit port with digital glitch filter, DMA request capability, and pin-interrupt support; multiplexed with UART/SPI/I2C. |
| USB0_DP / USB0_DM | USB differential pair | Integrated full-speed transceiver; connects directly to USB connector with minimal external components. |
| ADC0_SE0–ADC0_SE18 | ADC0 single-ended inputs | 19-channel input bank supporting programmable gain amplifier (PGA) and internal voltage reference routing. |
| FTM0_CH0–FTM0_CH7 | FlexTimer PWM outputs | 8-channel motor control/timing peripheral; supports complementary PWM with dead-time insertion for half-bridge drives. |
Key Features
| Feature | Design Value |
|---|---|
| FlexMemory architecture | 32 KB FlexNVM + 2 KB FlexRAM enables field-upgradable bootloader storage and high-endurance data logging without external EEPROM. |
| Dual 16-bit ADC subsystems | Independent ADC0 and ADC1 with differential pair support allow simultaneous multi-sensor acquisition (e.g., current + voltage in motor control). |
| USB OTG with Device Charger Detect | Hardware-level DCD logic identifies wall adapters vs. PCs, enabling automatic battery charge rate selection without host negotiation. |
| 5V-tolerant GPIO | All 59 GPIO pins withstand 5.5 V input; simplifies level-shifting in mixed-voltage systems interfacing with legacy peripherals. |
| Low-power timer & wake-up unit | Low-leakage wake-up unit (LLWU) with 128 selectable sources enables sub-microamp sleep modes with precise wake timing. |
Applications
| Industrial Sensor Hub | Smart Energy Meter |
|---|---|
Use Scenario: Aggregating temperature, pressure, and humidity readings from multiple analog sensors in factory-floor monitoring nodes. IC Role / Device Role / Timing Role: Central data acquisition MCU performing synchronized sampling via dual ADCs, local preprocessing, and USB-based data upload. Use Value: Integrated FlexRAM stores calibrated sensor offsets with 10M-cycle endurance; USB DCD enables direct connection to PC-based calibration tools without auxiliary power negotiation. | Use Scenario: Residential electricity meter requiring precision current/voltage measurement, tamper detection, and firmware update over USB. IC Role / Device Role / Timing Role: Primary metrology controller executing RMS calculations, managing secure firmware updates, and detecting magnetic tampering via comparator thresholds. Use Value: Dual 16-bit ADCs capture simultaneous voltage/current waveforms at 1 MS/s aggregate rate; hardware CRC validates flash integrity during field updates. |
| Medical Patient Monitor | Programmable Logic Controller I/O Module |
Use Scenario: Portable vital-sign monitor acquiring ECG, SpO₂, and respiration signals with clinical-grade accuracy. IC Role / Device Role / Timing Role: Signal-conditioning and digitization hub using PGA, ADC, and analog comparators for real-time alarm triggering. Use Value: Programmable gain amplifiers condition microvolt-level ECG inputs; 12-bit DAC generates reference voltages for analog front-end biasing. | Use Scenario: DIN-rail mounted PLC module converting 24 V DC industrial inputs to isolated digital signals for central controller. IC Role / Device Role / Timing Role: Isolated I/O processor handling optocoupler inputs, driving relay drivers, and communicating via USB to HMI panel. Use Value: 5V-tolerant GPIO interfaces directly with 24 V logic via resistive dividers; FlexNVM stores device-specific calibration tables for analog input scaling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MK50DN256CLL7 | 256 KB flash, no FlexNVM; 64 KB SRAM; same 100-pin LQFP package and peripheral set. | Lacks FlexMemory for EEPROM emulation; better suited for applications needing larger code space but no high-endurance data logging. | Select when firmware size exceeds 128 KB and EEPROM functionality is handled externally or via software emulation. |
| MK51DX128CLL7 | Same flash/SRAM/FlexRAM specs; adds segment LCD controller (32×8 segments) and enhanced TSI capacitive touch support. | Includes integrated LCD driver and additional touch sensing channels; not required if display interface is external. | Choose when human-machine interface includes segmented LCD or requires >16 capacitive touch inputs beyond MK50DX128CLL7's 16-channel TSI. |
Compared with MK50DN256CLL7, MK50DX128CLL7 trades flash capacity for on-chip EEPROM-grade FlexRAM, reducing BOM cost and improving data logging reliability. Against MK51DX128CLL7, it omits LCD driving capability-lowering power and cost where display is unnecessary.
Availability
MK50DX128CLL7 is available at Aetrix Electronics and suitable for industrial sensor hubs, smart energy meters, medical patient monitors, and programmable logic controller I/O modules requiring stable component supply, long-term lifecycle support, and qualified automotive-grade alternatives.
Supply support for MK50DX128CLL7 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 formed from the spin-off of Freescale Semiconductor and Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The Kinetis K50 family was designed for low-power, mixed-signal applications demanding integrated analog front ends, USB connectivity, and flexible memory architectures-particularly targeting industrial HMI, sensor fusion, and portable medical devices.
FAQ
What is the maximum operating frequency and core type of the MK50DX128CLL7?
The MK50DX128CLL7 operates at a maximum CPU frequency of 72 MHz and uses an ARM Cortex-M4 core with hardware-accelerated DSP instructions. It does not include a floating-point unit (FPU). This configuration delivers 1.25 DMIPS/MHz performance while maintaining low power consumption, making MK50DX128CLL7 suitable for real-time control and signal processing tasks in resource-constrained environments.
Does the MK50DX128CLL7 support USB Device Charger Detection (DCD)?
Yes, the MK50DX128CLL7 includes dedicated hardware for USB Device Charger Detect (DCD), enabling automatic identification of charging ports (e.g., SDP vs. CDP vs. DCP) without host interaction. This feature is implemented within the USB OTG controller and requires no external components. MK50DX128CLL7 uses this capability to configure optimal charge current in portable applications.
How is FlexMemory configured on the MK50DX128CLL7?
The MK50DX128CLL7 includes 32 KB of FlexNVM and 2 KB of FlexRAM. FlexRAM is factory-configured as high-endurance EEPROM (10M write/erase cycles), while FlexNVM can be partitioned for additional program flash, data flash, or EEPROM backup. MK50DX128CLL7 supports seamless byte-write operations and read-while-write functionality, eliminating software emulation overhead.
What analog peripherals are integrated into the MK50DX128CLL7?
The MK50DX128CLL7 integrates two independent 16-bit SAR ADCs (ADC0 with 19 SE + 3 DP channels; ADC1 with 18 SE + 3 DP channels), three analog comparators (each with integrated 6-bit DAC), one 12-bit DAC, two programmable gain amplifiers (PGAs), one operational amplifier (OPAMP), and one transimpedance amplifier (TRIAMP). These resources enable MK50DX128CLL7 to perform precision sensor signal conditioning and closed-loop control without external analog ICs.
What package and pin count does the MK50DX128CLL7 use?
The MK50DX128CLL7 is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with an exposed thermal pad. It provides 59 GPIO pins with interrupt capability, 5V-tolerant inputs, and dedicated pins for USB differential signaling, analog supplies, and external crystal oscillators. This package balances board space, thermal performance, and I/O density for MK50DX128CLL7's target industrial applications.
MK50DX128CLL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- Kinetis K50
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 72MHz
- Connectivity:
- EBI/EMI, I2C, IrDA, SPI, UART/USART, USB, USB OTG
- Peripherals:
- DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 59
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 34x16b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MK50DX128CLL7 FAQ
1.How can I place an order for MK50DX128CLL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for MK50DX128CLL7 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 MK50DX128CLL7 reliable?
The price and inventory of MK50DX128CLL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MK50DX128CLL7 is usually 5 days.
3.What payment methods are accepted for MK50DX128CLL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MK50DX128CLL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MK50DX128CLL7?
MK50DX128CLL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MK50DX128CLL7 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 MK50DX128CLL7?
For technical support, including MK50DX128CLL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MK50DX128CLL7 requirements.
6.How does Aetrix verify that MK50DX128CLL7 is sourced from the original manufacturer or authorized distributors?
All MK50DX128CLL7 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 MK50DX128CLL7 meets industry standards.
7.What is the process for return or replacement of MK50DX128CLL7?
All MK50DX128CLL7 units undergo pre-shipment inspection (PSI). If there is an issue with MK50DX128CLL7, 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 MK50DX128CLL7 part is unused and in its original packaging.
Return procedure for MK50DX128CLL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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