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NXP Semiconductors MCF51JU128VLH
- Part No.:
- MCF51JU128VLH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MCF51JU128VLH.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:797
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Product details
Overview
MCF51JU128VLH from NXP Semiconductors (formerly Freescale) is a ColdFire V1-based 32-bit microcontroller featuring a 50 MHz CPU, 128 KB on-chip flash memory, 12-bit ADC/DAC, USB On-The-Go controller, and integrated FlexNVM/FlexRAM. It operates from 1.71–3.6 V across –40°C to 105°C and supports industrial motor control, smart sensor nodes, and USB-connected embedded systems.
For engineers reviewing the MCF51JU128VLH datasheet, MCF51JU128VLH pinout, MCF51JU128VLH application, or MCF51JU128VLH equivalent, key selection criteria include its 64-pin LQFP package, 10 low-power modes with sub-μA stop current, integrated USB transceiver, dual crystal oscillator support (1 kHz–32 MHz), and hardware CRC module for firmware integrity verification.
Technical Context
The MCF51JU128VLH implements the ColdFire V1 core with Dhrystone 2.1 performance of 0.99 DMIPS/MHz from flash and 1.10 DMIPS/MHz from RAM. Its system architecture integrates a four-channel DMA controller, Mini-FlexBus external interface, and EzPort serial programming interface - enabling direct in-system flash updates without external debug hardware.
Clock management uses the Multipurpose Clock Generator (MCG) with three oscillator options: low-frequency (1–32 kHz), medium-frequency (1–8 MHz), and high-frequency (8–32 MHz). Power management includes a low-leakage wakeup unit (LLWU), voltage regulator (VREG), and 10 configurable low-power modes - supporting rapid wake-up from VLLS3 in under 92 μs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ColdFire V1, up to 50 MHz - enables real-time deterministic execution for motor control and protocol stacks |
| Flash Memory | 128 KB - sufficient for complex firmware with bootloader, application, and field-upgrade partitioning |
| ADC/DAC | 12-bit SAR ADC + 12-bit DAC - supports precision analog sensing and closed-loop actuator control |
| USB Interface | Full/low-speed On-The-Go with on-chip transceiver - eliminates external PHY, reduces BOM cost and board space |
| Operating Voltage | 1.71–3.6 V - compatible with single-cell Li-ion, 3.3 V, and 2.5 V logic domains without level shifters |
| Temperature Range | –40°C to 105°C - qualified for under-hood automotive, industrial drives, and outdoor metering |
| Low-Power Modes | 10 modes including VLLS3 (1.8–3.3 μA @ 3.0 V) - enables battery-powered operation for years in sensor endpoints |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital power supply and ground | Core logic domain; decoupling required per datasheet layout guidelines |
| VDDA, VSSA | Analog power supply and ground | Isolated analog domain for ADC/DAC/CMP; must be separated from digital planes |
| EXTAL/XTAL | External crystal oscillator inputs | Supports 1 kHz–32 MHz crystals; enables precise timing for USB, RTC, and communication baud rates |
| USB_DP/USB_DM | USB differential data lines | Integrated transceiver - no external PHY needed; requires 27 Ω series resistors and proper ESD protection |
| PTA0–PTA31, PTB0–PTB15 | Programmable GPIO (EGPIO/RGPIO) | Up to 48 pins with interrupt, slew rate control, and digital/analog filtering - configurable for HMI, sensor I/O, or bus interfacing |
| RESET | Active-low reset input | Asynchronous reset with internal pullup; accepts 100 ns minimum pulse width |
Key Features
| Feature | Design Value |
|---|---|
| Hardware CRC Module | Accelerates firmware image validation and data packet integrity checks in real time - critical for secure OTA updates |
| 128-bit Unique Chip ID | Enables device-specific cryptographic key derivation and secure provisioning without external EEPROM |
| Low-Leakage Wakeup Unit (LLWU) | Allows selective pin-triggered wake from ultra-low-power stop modes - essential for event-driven sensor applications |
| Integrated Touch Sensing Interface (TSI) | Capacitive touch sensing with hardware charge transfer - supports up to 16 electrodes with minimal CPU overhead |
| FlexNVM/FlexRAM | User-configurable nonvolatile memory partitioning - enables EEPROM emulation, data logging, or parameter storage without flash wear leveling |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
Use Scenario: Closed-loop control of BLDC motors in HVAC blowers or pump drives using FTM timers and ADC feedback. IC Role / Device Role / Timing Role: Real-time MCU executing field-oriented control (FOC) algorithms, sampling current/voltage at ≥20 kHz, generating PWM with <100 ns jitter. Use Value: Integrated 12-bit ADC with hardware averaging and PDB-triggered sampling reduces external component count and improves current measurement accuracy. | Use Scenario: ANSI C12.22-compliant electricity meter with tamper detection, load profiling, and remote firmware update via USB. IC Role / Device Role / Timing Role: Primary metering controller managing metrology IC interface, RTC, secure boot, and USB OTG host for field technician access. Use Value: Hardware CRC and 128-bit unique ID enable cryptographically signed firmware updates; USB OTG eliminates need for separate programming interface. |
| USB-Connected Sensor Hub | Automotive Body Control Module |
Use Scenario: Multi-sensor node (temperature, humidity, motion) aggregating data and presenting as HID-compliant USB device to host PC or gateway. IC Role / Device Role / Timing Role: USB device controller with integrated transceiver, managing HID report descriptors, interrupt endpoints, and low-power suspend/resume transitions. Use Value: On-chip USB PHY and VREG reduce bill-of-materials by 5+ components; VLPR mode maintains USB suspend at <1.5 mA. | Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting with LIN slave interface and CAN diagnostics. IC Role / Device Role / Timing Role: Low-power MCU managing LIN physical layer timing, PWM dimming, and wake-on-LIN/CAN events in vehicle sleep states. Use Value: VLLS3 mode draws ≤3.3 μA while monitoring LIN bus activity - meets ISO 11898-2 quiescent current requirements for body electronics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Kinetis K22F51212 | ARM Cortex-M4F core, 120 MHz, 512 KB flash, no integrated USB transceiver (requires external PHY) | Better floating-point performance but higher active power; lacks on-chip USB PHY and TSI | Select when needing DSP acceleration or larger flash, but accept added BOM complexity for USB |
| MCF51JM128VLH | Same ColdFire V1 core and pinout, but lacks USB OTG controller and has reduced analog peripheral set (no DAC, fewer ADC channels) | Lower-cost variant for non-USB applications requiring identical footprint and software compatibility | Select when USB connectivity is unnecessary and cost optimization is critical |
Compared with K22F51212, MCF51JU128VLH offers lower system-level BOM cost due to integrated USB transceiver and superior low-power stop-mode current, while MCF51JM128VLH provides pin-compatible migration path for legacy designs where USB and DAC are unused.
Availability
MCF51JU128VLH is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, USB-connected sensor hubs, and automotive body electronics requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MCF51JU128VLH 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, formed through the acquisition of Freescale Semiconductor in 2015.
The MCF51JU128VLH belongs to the ColdFire V1 microcontroller family, designed specifically for cost-sensitive, low-power embedded applications requiring USB connectivity, analog signal processing, and robust industrial temperature operation - targeting smart sensors, motor drives, and utility infrastructure.
FAQ
What is the maximum operating frequency of the MCF51JU128VLH CPU core?
The MCF51JU128VLH CPU core is a ColdFire V1 processor rated for up to 50 MHz operation. This frequency is achievable across the full –40°C to 105°C ambient temperature range when supplied within the specified 1.71–3.6 V voltage window. At 50 MHz, the core delivers 0.99 DMIPS/MHz when executing from flash memory, making it suitable for real-time control tasks such as motor commutation and protocol stack processing. The MCF51JU128VLH datasheet confirms this rating under "Device clock specifications" in Table 8.
Does the MCF51JU128VLH include an integrated USB transceiver?
Yes, the MCF51JU128VLH includes a full/low-speed USB On-The-Go controller with an integrated on-chip transceiver. This eliminates the need for an external USB PHY chip, reducing system cost and PCB area. The USB_DP and USB_DM pins connect directly to the USB connector with only 27 Ω series resistors and appropriate ESD protection diodes required. The MCF51JU128VLH supports USB suspend/resume and can operate as either host or device, confirmed in Section 6.8 of the official datasheet.
What low-power modes does the MCF51JU128VLH support, and what is the lowest current draw?
The MCF51JU128VLH supports 10 distinct low-power modes, including Very Low-Leakage Stop Mode 3 (VLLS3), which achieves as low as 1.8 μA at 3.0 V and –40°C to 25°C ambient. At 105°C, VLLS3 current rises to 3.3 μA - still well below 5 μA. These modes are managed by the low-leakage wakeup unit (LLWU) and voltage regulator (VREG), allowing selective peripheral retention and fast wake-up (e.g., 92 μs from VLLS3 to RUN). All values are measured and specified in Table 5 of the MCF51JU128VLH datasheet.
How much flash and RAM memory does the MCF51JU128VLH contain?
The MCF51JU128VLH contains 128 KB of on-chip program flash memory, plus FlexNVM (configurable as EEPROM or data flash) and FlexRAM (user-configurable as RAM or EEPROM). Total SRAM includes dedicated RAM plus FlexRAM allocation - typical configurations yield ≥16 KB usable RAM. The flash supports page erase, byte/word programming, and EzPort serial programming for in-system updates. These memory resources are explicitly defined in the "Memories and memory interfaces" section of the MCF51JU128VLH datasheet.
Is the MCF51JU128VLH pin-compatible with other members of the MCF51JU family?
The MCF51JU128VLH uses a 64-pin LQFP package (identifier "LH") and shares pinout compatibility with other MCF51JU variants in the same package option, such as MCF51JU64VLH and MCF51JU32VLH. However, it is not pin-compatible with MCF51JU128VHS (44-pin QFN) or MCF51JU64VLF (48-pin LQFP). Pin assignments are validated in Section 8 ("Pinout") of the MCF51JU128VLH datasheet, and functional differences (e.g., USB presence) do not affect mechanical or electrical pin mapping within the LH package group.
MCF51JU128VLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- MCF51Jx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- Coldfire V1
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- EBI/EMI, I2C, SPI, UART/USART, USB OTG
- Peripherals:
- DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 48
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 17x12b; D/A 1x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MCF51JU128VLH FAQ
1.How can I place an order for MCF51JU128VLH through Aetrix?
Please submit a Request for Quotation (RFQ) for MCF51JU128VLH 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 MCF51JU128VLH reliable?
The price and inventory of MCF51JU128VLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCF51JU128VLH is usually 5 days.
3.What payment methods are accepted for MCF51JU128VLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCF51JU128VLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCF51JU128VLH?
MCF51JU128VLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCF51JU128VLH 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 MCF51JU128VLH?
For technical support, including MCF51JU128VLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCF51JU128VLH requirements.
6.How does Aetrix verify that MCF51JU128VLH is sourced from the original manufacturer or authorized distributors?
All MCF51JU128VLH 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 MCF51JU128VLH meets industry standards.
7.What is the process for return or replacement of MCF51JU128VLH?
All MCF51JU128VLH units undergo pre-shipment inspection (PSI). If there is an issue with MCF51JU128VLH, 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 MCF51JU128VLH part is unused and in its original packaging.
Return procedure for MCF51JU128VLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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