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NXP Semiconductors MKS20FN128VLL12
- Part No.:
- MKS20FN128VLL12
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MKS20FN128VLL12.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,385
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Product details
Overview
MKS20FN128VLL12 from NXP Semiconductors is a 120 MHz ARM® Cortex®-M4 microcontroller with FPU, 128 KB flash, 64 KB SRAM, and integrated FlexCAN (1 channel), USB FS OTG, and 16-bit ADC (17 SE/4 DP channels), designed for industrial control and automotive body electronics requiring deterministic real-time response and CAN connectivity.
For engineers reviewing the MKS20FN128VLL12 datasheet, MKS20FN128VLL12 pinout, MKS20FN128VLL12 application, or MKS20FN128VLL12 equivalent, key selection criteria include its 100-pin LQFP package, –40 to 105 °C operating range, 1.71–3.6 V supply, single FlexCAN interface per KS20 family specification, and support for crystal-less USB operation - all critical for space-constrained, thermally demanding embedded designs.
Technical Context
The MKS20FN128VLL12 implements an ARM Cortex-M4 core with single-precision FPU and DSP extensions, delivering 1.25 Dhrystone MIPS/MHz at 120 MHz. Its memory subsystem includes 128 KB of embedded flash (2 KB page size) and 64 KB of SRAM accessible at full CPU clock speed with zero wait states.
System-level timing is managed by the Multi-Purpose Clock Generator (MCG) with FLL and PLL, supporting dual crystal oscillators (32 kHz RTC + 3–32 MHz main), three internal oscillators (32 kHz, 4 MHz, 48 MHz), and module-specific clock gating. Peripheral operation in low-power modes relies on dedicated clocks including LPO, ERCLK32K, and IRC48MCLK.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M4 @ 120 MHz with single-precision FPU and DSP instructions |
| Flash / SRAM | 128 KB program flash (2 KB pages); 64 KB SRAM with zero-wait-state access |
| Operating Voltage | 1.71–3.6 V - supports direct connection to single Li-ion or 3.3 V rail without LDO overhead |
| Temperature Range | –40 to 105 °C ambient - qualified for under-hood automotive and industrial environments |
| FlexCAN Channels | 1 channel compliant with ISO 11898-1 and CAN 2.0B - matches KS20 family specification |
| ADC | 16-bit SAR ADC with up to 17 single-ended or 4 differential inputs; max 1.2 Msps at ≤13-bit resolution |
| USB Interface | USB FS/LS OTG 2.0 with on-chip transceiver and crystal-less operation - eliminates external 48 MHz oscillator |
Pinout & Package
Package: 100-pin LQFP (14 × 14 × 1.7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power pins enable clean separation of noise-sensitive domains |
| PTA0–PTA31, PTB0–PTB17, PTC0–PTC17, PTD0–PTD15, PTE0–PTE25 | GPIO banks A–E | 66 total GPIOs with configurable pull-up/down, slew rate, and drive strength; supports interrupt-on-change |
| RTC_CLKIN, EXTAL0, XTAL0 | Crystal oscillator inputs | Supports 32.768 kHz RTC crystal and 3–32 MHz main system crystal for precise timekeeping and clock stability |
| CAN0_TX, CAN0_RX | FlexCAN differential signal pair | Single CAN bus interface compliant with ISO 11898-1; requires external termination and common-mode choke |
| USB_DP, USB_DM | USB full-speed differential pair | On-chip transceiver enables crystal-less USB operation using internal 48 MHz IRC48M clock source |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | Single-precision hardware FPU accelerates motor control algorithms and sensor fusion without software emulation overhead |
| Low-power timer suite | Includes TPM (6-channel), LPTMR, PIT, and PDB - enables precise PWM generation and event sequencing in VLPR/VLPS modes |
| Security modules | Hardware CRC, 128-bit UID, RNG, and Flash Access Control (FAC) protect firmware integrity and intellectual property |
| Flexible clocking | MCG with FLL/PLL, multiple internal/external sources, and dynamic clock switching - simplifies power-performance trade-offs across operational modes |
| Analog integration | 16-bit ADC + 12-bit DAC + analog comparator with 6-bit DAC - supports closed-loop control and sensor calibration without external components |
Applications
| Industrial Motor Control | Automotive Body Control Module (BCM) |
|---|---|
Use Scenario: Closed-loop control of BLDC motors in HVAC actuators and pump drives. IC Role / Device Role / Timing Role: Real-time execution of field-oriented control (FOC) algorithms via Cortex-M4+FPU, synchronized PWM outputs from TPM modules, and current sensing via 16-bit ADC. Use Value: 120 MHz deterministic processing and 1.2 Msps ADC sampling enable sub-microsecond current loop updates - critical for torque ripple reduction. |
Use Scenario: Centralized lighting, door lock, and window lift management in passenger vehicles. IC Role / Device Role / Timing Role: FlexCAN endpoint node managing communication with gateway ECU; LPUART handles diagnostic requests during sleep; RTC maintains wake schedule. Use Value: Single FlexCAN channel meets SAE J1939 and OEM BCM requirements while –40 to 105 °C rating ensures reliability in cabin-mounted locations. |
| Smart Grid Sensor Node | Medical Infusion Pump Controller |
Use Scenario: Remote current/voltage monitoring with secure over-the-air firmware updates. IC Role / Device Role / Timing Role: Secure data acquisition via ADC/CMP, cryptographic operations accelerated by FPU, and encrypted communication via USB FS OTG or UART with ISO7816 support. Use Value: Hardware RNG and FAC enforce secure boot and firmware update validation - satisfying IEC 62443-3-3 SL2 requirements. |
Use Scenario: Precision fluid delivery with pressure feedback, alarm generation, and human-interface responsiveness. IC Role / Device Role / Timing Role: Real-time safety monitoring via 12-bit DAC-driven reference voltage, analog comparator for occlusion detection, and 16-bit ADC for pressure transducer readout. Use Value: Integrated 12-bit DAC and comparator eliminate discrete op-amp circuitry - reducing BOM count and improving long-term calibration stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MKS20FN256VLL12 | 256 KB flash (vs. 128 KB), same 100-pin LQFP package, identical peripheral set and clock architecture | Required when firmware exceeds 128 KB or future-proofing for feature expansion is needed | Select MKS20FN256VLL12 only if additional flash capacity is confirmed necessary - no performance or peripheral advantage |
| S32K116LHT0MLF | ARM Cortex-M4 @ 112 MHz, 128 KB flash, 16 KB SRAM, single CAN FD (not CAN 2.0B), different pinout and peripheral mapping | Targets next-gen automotive applications requiring CAN FD bandwidth and ASIL-B functional safety certification | Choose S32K116LHT0MLF only for CAN FD or ISO 26262 compliance needs - not a drop-in replacement |
Compared with MKS20FN128VLL12, MKS20FN256VLL12 offers headroom for larger firmware but identical real-time capability, while S32K116LHT0MLF provides CAN FD and safety features at the cost of non-interchangeable layout and toolchain migration.
Availability
MKS20FN128VLL12 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and smart grid sensor nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MKS20FN128VLL12 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 focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in ARM-based microcontrollers and automotive-grade reliability.
The MKS20FN128VLL12 belongs to the Kinetis KS20 family - engineered for cost-optimized, low-power real-time control in automotive body electronics and industrial automation where CAN 2.0B interoperability and extended temperature operation are mandatory.
FAQ
What is the maximum operating frequency and core type of the MKS20FN128VLL12?
The MKS20FN128VLL12 features an ARM Cortex-M4 core with integrated single-precision floating-point unit (FPU), operating at a maximum frequency of 120 MHz. This delivers 1.25 Dhrystone MIPS per MHz and supports DSP instructions for efficient signal processing - essential for real-time control tasks executed by the MKS20FN128VLL12 in industrial and automotive applications.
Does the MKS20FN128VLL12 support crystal-less USB operation?
Yes, the MKS20FN128VLL12 supports crystal-less USB FS/LS OTG 2.0 operation using its internal 48 MHz IRC48M oscillator. This eliminates the need for an external 48 MHz crystal, reducing BOM cost and PCB area - a verified capability documented in the KS22/KS20 datasheet Rev. 3.1 for the MKS20FN128VLL12 and other KS20 family members.
How many FlexCAN interfaces does the MKS20FN128VLL12 include?
The MKS20FN128VLL12 includes one FlexCAN module, consistent with the KS20 family specification. This single-channel CAN interface complies with ISO 11898-1 and CAN 2.0B protocols - distinct from the KS22 variant, which provides two FlexCAN channels. The MKS20FN128VLL12's CAN0_TX and CAN0_RX pins are assigned to dedicated package terminals in its 100-pin LQFP footprint.
What are the memory resources available on the MKS20FN128VLL12?
The MKS20FN128VLL12 integrates 128 KB of embedded flash memory (organized in 2 KB pages) and 64 KB of SRAM accessible at full CPU clock speed with zero wait states. Flash protection is enforced via Flash Access Control (FAC) across 32 configurable regions, and each device includes a unique 128-bit identification number - all confirmed specifications for the MKS20FN128VLL12 in the official NXP datasheet.
What is the operating temperature and voltage range for the MKS20FN128VLL12?
The MKS20FN128VLL12 is rated for operation from –40 to 105 °C ambient temperature and supports a supply voltage range of 1.71 V to 3.6 V - including during flash programming cycles. This extended industrial temperature grade and wide voltage tolerance make the MKS20FN128VLL12 suitable for under-hood automotive modules and harsh-environment industrial controllers.
MKS20FN128VLL12 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- Kinetis KS22
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 66
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 1x16b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MKS20FN128VLL12 FAQ
1.How can I place an order for MKS20FN128VLL12 through Aetrix?
Please submit a Request for Quotation (RFQ) for MKS20FN128VLL12 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 MKS20FN128VLL12 reliable?
The price and inventory of MKS20FN128VLL12 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MKS20FN128VLL12 is usually 5 days.
3.What payment methods are accepted for MKS20FN128VLL12?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MKS20FN128VLL12 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MKS20FN128VLL12?
MKS20FN128VLL12 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MKS20FN128VLL12 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 MKS20FN128VLL12?
For technical support, including MKS20FN128VLL12 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MKS20FN128VLL12 requirements.
6.How does Aetrix verify that MKS20FN128VLL12 is sourced from the original manufacturer or authorized distributors?
All MKS20FN128VLL12 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 MKS20FN128VLL12 meets industry standards.
7.What is the process for return or replacement of MKS20FN128VLL12?
All MKS20FN128VLL12 units undergo pre-shipment inspection (PSI). If there is an issue with MKS20FN128VLL12, 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 MKS20FN128VLL12 part is unused and in its original packaging.
Return procedure for MKS20FN128VLL12:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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