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NXP Semiconductors MCF51JE256VLL
- Part No.:
- MCF51JE256VLL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MCF51JE256VLL.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:268
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Product details
Overview
MCF51JE256VLL from NXP Semiconductors (formerly Freescale) is a 32-bit ColdFire V1 microcontroller featuring a 256 KB flash memory, 32 KB RAM, USB On-The-Go interface, 12-bit ADC with 12 single-ended channels, and dual 4-channel Timer/PWM Modules. It operates up to 50.33 MHz at 2.4 V and supports ultra-low-power stop modes with 6 µs wake-up time - deployed in industrial control panels requiring deterministic real-time response and field-upgradable firmware.
For engineers reviewing the MCF51JE256VLL datasheet, MCF51JE256VLL pinout, MCF51JE256VLL application, or MCF51JE256VLL equivalent, key selection criteria include ColdFire ISA_C compatibility, integrated USB OTG transceiver with 3.3 V regulator, Mini-FlexBus expansion capability, programmable analog comparator (PRACMP), and support for 1.8–3.6 V operation across –40°C to +105°C.
Technical Context
The MCF51JE256VLL implements the ColdFire V1 CPU core with Instruction Set Architecture Revision C (ISA_C), supporting 32-bit MAC operations for signed/unsigned integer and fractional arithmetic. Its Multipurpose Clock Generator (MCG) integrates both PLL and FLL with precision trimming for ±0.5% typical deviation over voltage and temperature.
System-level protection includes COP watchdog with dedicated 1 kHz clock source, low-voltage detection with interrupt/reset options, illegal opcode/address fault handling, and per-array flash block protection. The on-chip USB OTG controller complies fully with USB 2.0 specification and includes an integrated 3.3 V regulator and transceiver.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ColdFire V1 (ISA_C); enables deterministic real-time execution with 32-bit MAC for motor control algorithms. |
| Max Operating Frequency | 50.33 MHz at ≥2.4 V; ensures high-throughput peripheral handling while maintaining timing margins in industrial environments. |
| Flash Memory | 256 KB (dual 128 KB arrays); allows background programming and interrupt processing during flash writes. |
| RAM | 32 KB system RAM with security circuitry; protects firmware variables and stack data from unauthorized access. |
| USB Interface | Dual-role USB OTG compliant with USB 2.0; eliminates need for external PHY or regulator in host/device applications. |
| ADC | 12-bit SAR ADC with 12 single-ended inputs; operates down to 1.8 V and in stop3 mode for battery-powered sensing. |
| Power Modes | Two ultra-low-power stop modes; TOD counter runs at ¼ sec resolution with 6 µs wake-up from stop3. |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm), RoHS-compliant, lead-free, moisture-sensitive level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PTD0/BKGD/MS | Background Debug / Master Select | Single-wire BDM debug interface; enables real-time debugging without halting CPU execution. |
| PTD1/CMPP2/RESET | Comparator Input / Reset | Active-low reset input with internal pull-up; also serves as analog comparator input for system monitoring. |
| PTD2/USB_ALTCLK/RGPIOP8/TPM1CH0 | USB Alternate Clock / GPIO / Timer | Provides clock source for USB in device mode; configurable as general-purpose I/O or TPM1 channel 0 output compare. |
| PTD3–PTD7 | USB Pull-Up / UART / I²C | Supports USB device enumeration (D+ pull-up), SCI1 TX/RX, and I²C SCL/SDA - enabling shared pin usage for compact designs. |
| PTF0–PTF2 | USB_ID / UART / USB_DM_DOWN | USB ID detection for OTG role negotiation; SCI2 TX/RX with USB differential line drive capability for cable-aware designs. |
| DACO | Digital-to-Analog Converter Output | 12-bit DAC output pin; provides programmable settling time for precise analog actuator control or calibration signals. |
| VREFO | Voltage Reference Output | Stable reference output usable by external circuits or ADC/DAC; improves measurement accuracy in noisy industrial settings. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USB OTG Transceiver | Eliminates external PHY and 3.3 V regulator, reducing BOM cost and PCB area in portable HMI and diagnostic tools. |
| Mini-FlexBus Interface | Configurable chip selects and multiplexed address/data lines enable direct connection to NOR flash, SRAM, or FPGA peripherals. |
| Programmable Delay Block (PDB) | Triggers ADC sampling sequences with 16-bit precision and back-to-back mode - critical for synchronized multi-channel acquisition. |
| Rapid GPIO (RGPIO) | 16 pins accessible at full CPU clock speed; supports high-frequency bit-banging protocols like 1-Wire or custom sensor interfaces. |
| Carrier Modulator Timer (CMT) | Dedicated infrared output (IRO) with high-current sink; enables remote-control subsystems without external driver circuitry. |
Applications
| Industrial Control Panel | Portable Diagnostic Tool |
|---|---|
|
Use Scenario: Embedded HMI in PLC cabinets with touch interface, relay control, and local data logging. IC Role / Device Role / Timing Role: Main application processor executing real-time ladder logic, managing USB-based firmware updates, and driving analog outputs via DACO. Use Value: Dual 4-channel TPM modules generate precise PWM for LED indicators and relay timing; Mini-FlexBus connects to external SRAM for event buffer storage. |
Use Scenario: Handheld automotive OBD-II scanner with Bluetooth bridge and USB host capability for ECU reprogramming. IC Role / Device Role / Timing Role: USB OTG controller acts as host to read diagnostic trouble codes; SCI2 communicates with OBD-II adapter ICs at LIN-compatible baud rates. Use Value: Integrated 3.3 V USB regulator and transceiver reduce component count; PRACMP monitors battery voltage for low-power shutdown. |
| Smart Energy Meter | Remote Sensor Node |
|
Use Scenario: DIN-rail mounted meter with pulse counting, tamper detection, and secure firmware updates over USB. IC Role / Device Role / Timing Role: ADC12 samples current/voltage transformers at 12-bit resolution; PDB triggers synchronized sampling across phases. Use Value: Flash security circuitry prevents unauthorized firmware modification; TOD counter maintains accurate billing timestamps during power loss. |
Use Scenario: Battery-powered environmental monitor transmitting temperature/humidity via LoRaWAN gateway connected via USB. IC Role / Device Role / Timing Role: Stop3 mode with active PRACMP and ADC enables wake-on-threshold events; IRO pin drives IR beacon for field commissioning. Use Value: 6 µs wake-up from stop3 minimizes energy loss during sleep cycles; 1.8 V minimum operating voltage extends battery life in cold deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Kinetis K22FN512VLH12 | ARM Cortex-M4 core, 512 KB flash, no integrated USB transceiver (requires external PHY), higher power consumption in run mode. | Better floating-point performance for sensor fusion; lacks dedicated CMT/IRO for IR remotes. | Select when migrating to ARM ecosystem with need for DSP extensions but accept added BOM complexity for USB. |
| MCF52259CAG80 | ColdFire V2 core, 512 KB flash, 64 KB RAM, same USB OTG transceiver, but larger 144-pin LQFP package and higher thermal envelope. | Higher code density and throughput for complex protocol stacks; not pin-compatible with MCF51JE256VLL. | Choose for legacy ColdFire codebase scaling where USB OTG and Mini-FlexBus continuity are required. |
Compared with K22FN512VLH12 and MCF52259CAG80, the MCF51JE256VLL offers optimal balance of USB integration, ultra-low-power stop modes, and ColdFire ISA_C compatibility - making it ideal for cost-sensitive, field-upgradable industrial devices where minimal external components and proven toolchain support are essential.
Availability
MCF51JE256VLL is available at Aetrix Electronics and suitable for industrial control panels, portable diagnostic tools, smart energy meters, and remote sensor nodes requiring stable component supply and long-term lifecycle support.
Supply support for MCF51JE256VLL 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 acquired Freescale in 2015 and continues development of the ColdFire family for industrial and automotive applications.
The MCF51JE256VLL belongs to the ColdFire V1 microcontroller product line, designed specifically for cost-sensitive, low-power industrial control and human-machine interface applications requiring USB connectivity and robust peripheral integration.
FAQ
What is the maximum operating frequency of the MCF51JE256VLL and under what voltage conditions?
The MCF51JE256VLL achieves up to 50.33 MHz at supply voltages ≥2.4 V, 40 MHz at ≥2.1 V, and 20 MHz at ≥1.8 V across the full –40°C to +105°C temperature range. These frequency-voltage dependencies are specified in the preliminary electrical characteristics table and must be observed to ensure reliable operation in industrial environments.
Does the MCF51JE256VLL support USB device, host, and OTG functionality natively?
Yes, the MCF51JE256VLL integrates a full USB On-The-Go controller compliant with USB 2.0 specification. It supports device, host, and OTG roles using the same hardware, with built-in transceiver and 3.3 V regulator - eliminating external components required for USB connectivity in the MCF51JE256VLL design.
How many analog-to-digital converter channels does the MCF51JE256VLL provide, and what is their resolution?
The MCF51JE256VLL features a 12-bit successive approximation ADC (ADC12) with up to 12 single-ended input channels. It includes an internal bandgap reference and supports operation in stop3 mode, enabling low-power analog sensing without waking the CPU - a key capability confirmed in the MCF51JE256VLL datasheet section 3.9.
What debug interface does the MCF51JE256VLL use, and is it compatible with standard tools?
The MCF51JE256VLL uses the ColdFire DEBUG_Rev_B+ interface with single-wire BDM (Background Debug Mode) connection. It is electrically compatible with S08 family debug modules and supported by CodeWarrior Development Studio - ensuring seamless integration into existing Freescale/NXP toolchains for the MCF51JE256VLL.
Can the MCF51JE256VLL operate from a 1.8 V supply, and which peripherals remain functional at that voltage?
Yes, the MCF51JE256VLL operates down to 1.8 V across its full temperature range. At this voltage, the ADC12, PRACMP, DACO, and stop3 mode with TOD counter remain fully functional - enabling battery-powered applications where extended runtime is critical, as verified in the MCF51JE256VLL DC characteristics table.
MCF51JE256VLL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- MCF51JE
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- Coldfire V1
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- EBI/EMI, I2C, SCI, SPI, USB OTG
- Peripherals:
- LVD, PWM, WDT
- Number of I/O:
- 65
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 12x12b; D/A 1x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MCF51JE256VLL FAQ
1.How can I place an order for MCF51JE256VLL through Aetrix?
Please submit a Request for Quotation (RFQ) for MCF51JE256VLL 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 MCF51JE256VLL reliable?
The price and inventory of MCF51JE256VLL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCF51JE256VLL is usually 5 days.
3.What payment methods are accepted for MCF51JE256VLL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCF51JE256VLL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCF51JE256VLL?
MCF51JE256VLL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCF51JE256VLL 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 MCF51JE256VLL?
For technical support, including MCF51JE256VLL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCF51JE256VLL requirements.
6.How does Aetrix verify that MCF51JE256VLL is sourced from the original manufacturer or authorized distributors?
All MCF51JE256VLL 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 MCF51JE256VLL meets industry standards.
7.What is the process for return or replacement of MCF51JE256VLL?
All MCF51JE256VLL units undergo pre-shipment inspection (PSI). If there is an issue with MCF51JE256VLL, 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 MCF51JE256VLL part is unused and in its original packaging.
Return procedure for MCF51JE256VLL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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