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Description
NXP MCF51JM128VLH 32 Bit Microcontroller, Coldfire v1, 50MHz, Memory 128KB, RAM 16KB, CAN, I2C, SCI, SPI, USB, LQFP-64The MCF51JM128VLH is a ColdFire family 32 bit reduced instruction set computing (RISC) Microcontroller. The MCF51JM family a part of the Flexis microcontroller series. The Flexis series of devices includes complementary families of 8 bit S08 and 32 bit V1 ColdFire microcontrollers that have a common set of peripherals and development tools to deliver the ultimate in migration flexibility. The 32 bit MCF51JM128 further extends the low end of the
The MCF51JM128VLH is a ColdFire family 32-bit reduced instruction set computing (RISC) Microcontroller. The MCF51JM family a part of the Flexis microcontroller series. The Flexis series of devices includes complementary families of 8-bit S08 and 32-bit V1 ColdFire microcontrollers that have a common set of peripherals and development tools to deliver the ultimate in migration flexibility. The 32-bit MCF51JM128 further extends the low-end of the ColdFire embedded USB controller family with up to 128kB of flash memory, a full-speed USB 2.0 controller with host, device and on-the-go (OTG) support, an integrated CAN module and a 12-channel, 12-bit analog-to-digital converter (ADC). The ColdFire JM family also features a hardware cryptographic acceleration unit (CAU), a random number generator accelerator (RNGA) and several system protection features such as low-voltage detect and a computer operating properly (COP) module.
- V1 ColdFire core with background debug module
- 16KB of static RAM (SRAM)
- Multipurpose clock generator (MCG)
- Dual-role universal serial bus on-the-go device (USBOTG)
- Controller-area network (MSCAN)
- Cryptographic acceleration unit (CAU)
- Random number generator accelerator (RNGA)
- Analog comparators (ACMP)
- Analog-to-digital converter (ADC) with up to 12 channels
- 2 Inter-Integrated Circuit (IIC) modules
- 2 Serial peripheral interfaces (SPI)
- 2 Serial communications interfaces (SCI)
- Carrier modulation timer (CMT)
- Real-time counter (RTC)
- 33 General-purpose input/output (GPIO) modules plus interrupt request input
- 8 Keyboard interrupts (KBI)
- 16-bit Rapid GPIO
Applications
Industrial
- :
- CAN, I2C, SCI, SPI, USB
- :
- 51I/O's
- :
- 128KB
- :
- Coldfire v1
- :
- 64Pins
- :
- 32bit
- :
- -
- :
- -
- :
- USB Microcontroller
- :
- 50MHz
- :
- 2.7V
- :
- LQFP
- :
- Each
- :
- 5.5V
- :
- 16KB
- :
- MSL 3 - 168 hours
Product details
| Embedded Interface Type | CAN, I2C, SCI, SPI, USB |
| No. of I/O's | 51I/O's |
| Program Memory Size | 128KB |
| Architecture | Coldfire v1 |
| No. of Pins | 64Pins |
| MCU Core Size | 32bit |
| Product Range | - |
| Automotive Qualification Standard | - |
| MCU Applications | USB Microcontroller |
| CPU Speed | 50MHz |
| Supply Voltage Min | 2.7V |
| MCU Case Style | LQFP |
| Packaging | Each |
| Supply Voltage Max | 5.5V |
| RAM Memory Size | 16KB |
| MSL | MSL 3 - 168 hours |
Other details
| Brand | NXP |
| Part Number | MCF51JM128VLH |
| Quantity | Each |
| Technical Data Sheet EN | |
| Application Note EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
It's a chunk of wood! Perfect.
Color: Black Walnut
It's a chunk of wood! Finish is great, height is great, looks great. Easy to clean unlike foam ones.
I did get one that was warped but the replacement was fine. Just check that it's actually flat when you get it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2025
★★★★★ 4
Decent product. Fits perfectly for 61/64 keys. Just slightly short for 68.
The finish seems fine for the piece I received. Didn't get any splinters or rough edges. Treated it with mineral oil overnight, it now touches and smells great. Just slightly too short for 68 layout but really can't complain for the price. Wish they offer more width options for TKL and full size as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2022
★★★★★ 5
Worth it.
Color: Black Walnut
Looks nice. Very solid. Gets the job done.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2025
★★★★★ 1
Warped Wood
Color: Black Walnut
I know it's inexpensive, but regardless of the price of an item, it should do what it's meant to do somewhat effectively. The wood was warped and did not sit flat on my desk.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2025
★★★★★ 3
Great wrist rest, advertised dimensions slightly inaccurate.
Color: Black Walnut
Perhaps this is nitpicky but I purchased this wrist rest because it was perfectly sized to my keyboard at 29cm wide. It got here, and it's a fine wrist rest in terms of quality, material and feel, but it's not 29cm wide, it's 30.5cm wide. The other dimensions are accurate enough - both only .1mm off, but the mismatched width against my keyboard is enough for me to notice it and obsess over it. If that doesn't bother you, I say go for it. At $15 it's a good deal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
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