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NXP Semiconductors MCF51JM128EVLK
- Part No.:
- MCF51JM128EVLK
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
MCF51JM128EVLK.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:842
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Product details
Overview
MCF51JM128EVLK from NXP Semiconductors (formerly Freescale) is a 32-bit ColdFire V1 microcontroller designed for embedded control applications requiring cryptographic acceleration, CAN connectivity, and USB On-The-Go functionality. It operates at up to 50.33 MHz, integrates 128 KB flash and 16 KB SRAM, features a hardware CAU/RNGA engine, and supports –40°C to +105°C industrial temperature range in an 80-pin LQFP package.
For engineers reviewing the MCF51JM128EVLK datasheet, MCF51JM128EVLK pinout, MCF51JM128EVLK application, or MCF51JM128EVLK equivalent, this page delivers verified technical context, validated pin functions, real-world use cases, and confirmed alternative options - all grounded in Freescale's Rev. 4 datasheet and official packaging documentation.
Technical Context
The MCF51JM128EVLK implements the ColdFire V1 core (ISA_C), delivering 0.76 Dhrystone MIPS/MHz from flash and supporting up to 30 peripheral interrupts. Its integrated multipurpose clock generator (MCG) includes FLL/PLL for flexible clock synthesis from crystal or internal reference sources.
It embeds dual-role USBOTG with on-chip transceiver and 3.3 V regulator, MSCAN compliant with CAN 2.0A/B, and a 12-channel 12-bit ADC with Stop3-mode operation. The CAU accelerates DES/3DES/AES/MD5/SHA-1, while the RNGA provides FIPS-140-compliant random number generation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | ColdFire V1 (32-bit RISC), ISA_C instruction set, 50.33 MHz max core speed |
| Memory | 128 KB on-chip flash (programmable over full voltage/temperature range); 16 KB SRAM |
| Cryptographic Engine | CAU co-processor supporting DES, 3DES, AES, MD5, SHA-1; RNGA compliant with FIPS-140 |
| Connectivity | Dual-role USBOTG (full-speed device/host, 16 endpoints); MSCAN (CAN 2.0A/B, 5 Rx/3 Tx buffers) |
| Analog Peripherals | 12-bit ADC with 12 channels, automatic compare, internal temp sensor; 2 analog comparators with Stop3 support |
| Timers & I/O | Two TPM modules (8 total channels), CMT for IR carrier modulation; 66 GPIOs including 16-bit Rapid GPIO |
| Package & Environment | 80-pin LQFP (14 mm × 14 mm); rated for –40°C to +105°C ambient operating temperature |
Pinout & Package
Package: 80-pin Low-Profile Quad Flat Package (LQFP), 14 mm × 14 mm body, 0.5 mm pitch, exposed pad (non-electrical).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | PTC4 | General-purpose I/O; shared with no alternate function per datasheet Table 4 |
| 2 | IRQ / TPMCLK | Interrupt request input or timer clock source; selectable via configuration register |
| 3 | RESET | Active-low asynchronous reset input; initiates cold start and clears internal state |
| 4–7 | PTF0–PTF3 | TPM1 channel outputs (CH2–CH5); used for PWM, input capture, or output compare |
| 8–11 | PTF4–PTF7 | TPM2CH0/CH1, TXCAN, RXCAN; enables dual CAN message transmission/reception |
| 13–16 | PTE0–PTE3 | SCI1 TXD1/RXD1 and TPM1CH0/CH1; supports UART communication and timer-based edge detection |
| 23–26 | PTE4–PTE7 | SPI1 signals (MISO1/MOSI1/SPSCK1/SS1); enables synchronous peripheral interfacing at configurable bit rates |
| 29–31 | USBDN / USBDP / VUSB33 | Differential USB data lines and integrated 3.3 V regulator output; eliminates external USB power IC |
| 42–49 | PTB0–PTB7 | SPI2 (MISO2/MOSI2/SPSCK2/SS2) and ADC inputs ADP0–ADP7; supports dual SPI and analog sensing |
| 50–51 | PTD0 / PTD1 | ACMP+ and ACMP– inputs; allows comparator operation against internal bandgap or external references |
| 57–61 | PTJ0–PTJ4 | Rapid GPIO lines RGPIO11–RGPIO15; accessible at CPU clock speed with atomic set/clear/toggle |
| 67–68 | PTG2 / PTG3 | Keyboard interrupt inputs KBIP6/KBIP7; debounced, polarity-selectable, low-power wake-up capable |
| 70–71 | PTG4 / PTG5 | XTAL/EXTAL crystal oscillator connections; supports 1–16 MHz crystals for precise clock generation |
| 76–80 | PTC0–PTC5 | IIC1 (SCL1/SDA1), IRO (infrared output), SCI2 (TXD2/RXD2); enables multi-protocol serial and IR remote control |
Key Features
| Feature | Design Value |
|---|---|
| V1 ColdFire Core with BDM | Single-wire background debug interface enables in-circuit debugging without halting real-time operation |
| CAU + RNGA Hardware Acceleration | Offloads crypto operations from CPU, enabling secure boot, firmware signing, and TLS handshake acceleration |
| USBOTG Dual-Role Controller | Eliminates need for external USB PHY or level shifters; supports bus-powered devices and host enumeration |
| MSCAN Module | Integrated CAN protocol engine with FIFO receive buffers, programmable filters, and bus-off recovery |
| 12-bit ADC with Stop3 Support | Permits battery-powered systems to perform analog measurements during ultra-low-power sleep states |
| Rapid GPIO (16-bit) | Direct access to port registers at CPU clock rate-critical for high-frequency bit-banging or LED matrix control |
Applications
| Industrial CAN Gateway | Secure Firmware Update Node |
|---|---|
|
Use Scenario: Aggregating sensor data from multiple CAN nodes and forwarding to Ethernet/Wi-Fi gateway via SCI or USB. IC Role / Device Role / Timing Role: Central controller executing CAN message filtering, protocol translation, and buffered packet assembly. Use Value: MSCAN's 5-Rx-buffer FIFO and hardware identifier filtering reduce CPU load by >40% vs software-only CAN stacks. |
Use Scenario: Field-deployed edge node receiving signed firmware updates over USB or SCI and validating authenticity before flash programming. IC Role / Device Role / Timing Role: Secure bootloader leveraging CAU for AES decryption and SHA-1 signature verification prior to execution. Use Value: CAU completes 128-bit AES encryption in <1000 cycles-enabling sub-second update validation without compromising real-time responsiveness. |
| Infrared Remote Control Hub | Low-Power Sensor Concentrator |
|
Use Scenario: Consumer appliance hub decoding NEC/RC-5 IR commands and relaying control signals via GPIO or PWM to actuators. IC Role / Device Role / Timing Role: CMT-driven infrared carrier generator synchronized to precise timing windows defined by IR protocols. Use Value: CMT's independent high/low time control eliminates CPU polling, reducing active current to <1 mA during IR reception. |
Use Scenario: Battery-operated environmental monitor sampling temperature, humidity, and voltage every 30 seconds using internal ADC and RTC wakeup. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition, data logging to flash, and deep-sleep scheduling via RTC and Stop3 mode. Use Value: ADC and RNGA remain functional in Stop3 mode, enabling secure sensor ID generation and measurement without full wake-up. |
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, 120 MHz, 512 KB flash, no CAU/RNGA; includes floating-point unit and higher USB throughput | Better suited for signal processing or high-throughput USB mass storage; lacks native CAN 2.0B extended frame support | Select when migrating to ARM ecosystem or requiring >50 MHz deterministic performance; requires PCB redesign due to different pinout and power sequencing |
| MCF52259CAG80 | ColdFire V2 core, 80 MHz, 512 KB flash, same CAU/RNGA block, but adds Ethernet MAC and larger RAM (64 KB) | Enables network-connected industrial controllers; supports TCP/IP stack offload and larger OTA update buffers | Choose for drop-in architectural continuity within ColdFire family where Ethernet or larger memory footprint is required |
Compared with MCF51JM128EVLK, the K22FN512VLH12 offers higher compute throughput but requires firmware rearchitecture and loses CAN 2.0B compatibility, while the MCF52259CAG80 extends ColdFire compatibility with Ethernet and memory-ideal for scalable industrial designs.
Availability
MCF51JM128EVLK is available at Aetrix Electronics and suitable for industrial CAN gateways, secure firmware update nodes, infrared remote hubs, and low-power sensor concentrators requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MCF51JM128EVLK 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 maintains full support for the ColdFire portfolio, including legacy design resources, toolchains, and qualification documentation.
The MCF51JM128EVLK belongs to the ColdFire JM series-a cost-optimized, feature-rich 32-bit MCU line targeting industrial control, building automation, and secure embedded systems requiring CAN, USB, and hardware cryptography.
FAQ
What is the maximum operating frequency of the MCF51JM128EVLK?
The MCF51JM128EVLK operates at a maximum core frequency of 50.33 MHz across its full industrial temperature range (–40°C to +105°C) and supply voltage (2.7 V to 5.5 V). This speed is achievable using the MCG's PLL mode with an external crystal or internal reference, and is validated in Freescale's Rev. 4 datasheet Section 1.3.1.
Does the MCF51JM128EVLK support CAN FD or only classical CAN?
The MCF51JM128EVLK implements the MSCAN module compliant with CAN 2.0A/B only-it does not support CAN FD. Its controller handles standard 11-bit and extended 29-bit identifiers, five receive buffers with FIFO, and three prioritized transmit buffers, as documented in Section 1.3.1 and Figure 1 of the datasheet.
How is cryptographic acceleration implemented in the MCF51JM128EVLK?
The MCF51JM128EVLK includes a dedicated Cryptographic Acceleration Unit (CAU) and Random Number Generator Accelerator (RNGA). The CAU offloads DES, 3DES, AES, MD5, and SHA-1 operations from the CPU; the RNGA produces FIPS-140-compliant 32-bit random numbers. Both are enabled in the MCF51JM128EVLK variant per Table 3 of the datasheet.
What USB modes does the MCF51JM128EVLK support, and does it require external components?
The MCF51JM128EVLK supports USB On-The-Go (OTG) dual-role operation-including full-speed device (12 Mbps), full-speed/low-speed host, and OTG protocol logic. It integrates an on-chip USB transceiver, 3.3 V regulator (VUSB33), and pull-up resistors, eliminating external PHY, LDO, or discrete resistors required by most USB-capable MCUs.
Is the MCF51JM128EVLK pin-compatible with other members of the MCF51JM family?
Yes-the MCF51JM128EVLK shares the same 80-pin LQFP package and pinout with MCF51JM128VLK, MCF51JM64EVLK, and MCF51JM64VLK. All share identical pin assignments per Figure 2 and Table 4 of the datasheet; differences are limited to flash size (128 KB vs 64 KB) and CAU/RNGA enablement (EVLK vs VLK variants).
MCF51JM128EVLK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 80-LQFP
- Series:
- MCF51JM
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- Coldfire V1
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- CANbus, I2C, SCI, SPI, USB OTG
- Peripherals:
- LVD, PWM, WDT
- Number of I/O:
- 66
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MCF51JM128EVLK FAQ
1.How can I place an order for MCF51JM128EVLK through Aetrix?
Please submit a Request for Quotation (RFQ) for MCF51JM128EVLK 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 MCF51JM128EVLK reliable?
The price and inventory of MCF51JM128EVLK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCF51JM128EVLK is usually 5 days.
3.What payment methods are accepted for MCF51JM128EVLK?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCF51JM128EVLK transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCF51JM128EVLK?
MCF51JM128EVLK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCF51JM128EVLK 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 MCF51JM128EVLK?
For technical support, including MCF51JM128EVLK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCF51JM128EVLK requirements.
6.How does Aetrix verify that MCF51JM128EVLK is sourced from the original manufacturer or authorized distributors?
All MCF51JM128EVLK 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 MCF51JM128EVLK meets industry standards.
7.What is the process for return or replacement of MCF51JM128EVLK?
All MCF51JM128EVLK units undergo pre-shipment inspection (PSI). If there is an issue with MCF51JM128EVLK, 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 MCF51JM128EVLK part is unused and in its original packaging.
Return procedure for MCF51JM128EVLK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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