MCF51QM64VHS - 32-bit 50MHz MCU with 64KB Flash | NXP
MPN: MCF51QM64VHS ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.5852 | $4.59 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
| 3,000 | $0 | $0.00 |
MCF51QM64VHS Overview
A microcontroller is a programmable semiconductor system that integrates a processor core, Flash program memory, data memory, peripherals, and communication interfaces on one package. The MCF51QM64VHS belongs to the ColdFire+ MCF51Qx family, combining embedded control with USB connectivity and configurable embedded EEPROM support described in the verified product data.
The verified specifications identify a 32-bit architecture, 50 MHz maximum frequency, and 64 KB Flash memory. Its 44-MAPLGA package is intended for compact surface-mount assemblies. The product information describes the MCF51Qx families as software- and pin-compatible with each other and with the ColdFire+ MCF51JF and MCF51JU families, supporting code reuse and shorter development cycles.
The part is suitable for applications requiring local control logic, USB connectivity, and embedded firmware execution, including portable devices and consumer electronics. Its package and software compatibility make board-level design reuse important, but the complete pinout, operating details, peripheral map, and timing constraints must be checked against the manufacturer datasheet before release.
When designing a PCB, use the verified 44-MAPLGA footprint and provide a properly controlled power distribution network, decoupling, clock routing, and exposed-pad handling where required by the package. Confirm the exact package drawing and land pattern from NXP documentation rather than inferring it from the distributor description.
This product data combines NXP manufacturer information, distributor listings, pricing references, package details, and cross-reference results. It emphasizes verified facts while marking unavailable technical fields for engineering follow-up.
Drop-in alternatives for MCF51QM64VHS — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MCF51QM64VHS (same form factor and footprint) — differing in Package, Flash Memory, Product Type, Analog-to-Digital Converter, Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF51QU64VHS
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MCF51JF64VHS
✅ Drop-In📋 Reference alternative (not in catalog)
MCF51JM64VQH
✅ Drop-In✓ In Stock
$5.25 / Unit
View Datasheet →MCF51QU128VHS
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MCF51QM128VHS
✅ Drop-In📋 Reference alternative (not in catalog)
MCF51QM64VHS Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit microcontroller |
| Processor Core | ColdFire V1 |
| Maximum CPU Frequency | 50 MHz |
| Flash Memory | 64 KB (64K × 8) |
| Architecture | 32-bit |
| Connectivity | USB |
| Package | 44-MAPLGA (5 mm × 5 mm) |
| Package Type | 44-pin MAPLGA |
| Mounting Type | Surface mount |
| Operating Temperature Range | -40°C to +105°C |
| Operating Voltage Options | 1.8 V, 2.5 V, 3.3 V |
| Embedded EEPROM | Configurable embedded EEPROM |
| Software Compatibility | Compatible with MCF51JF and MCF51JU families |
| Core Family | ColdFire+ MCF51Qx |
| Unit Price | $4.5852 per unit as of 2026-10-21 |
MCF51QM64VHS 44-pin maplga Pin Configuration Guide
Pin configuration for MCF51QM64VHS (44-pin maplga package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MCF51QM64VHS.
Refer to the datasheet for full pin configuration.
Typical Applications
MCF51QM64VHS is suitable for 6 applications: USB-Enabled Consumer Devices, Portable Device Control, Industrial Peripheral Coordination, USB Data Acquisition and Control, Consumer Interface Controller, Firmware-Reuse Portable Platform.
USB-Enabled Consumer Devices
The MCF51QM64VHS fits USB-enabled consumer products because the verified NXP description identifies USB connectivity and a 32-bit ColdFire V1 core operating at 50 MHz. Its 64 KB Flash provides a defined firmware-storage budget for control, interface, and user-experience functions in compact products. Place the MCU beside the system USB connector and follow the NXP reference design for transceiver, protection, power, and routing requirements. The benefit is integration and compactness; the tradeoff is that the supplied data does not define USB version, role, endpoints, or transceiver requirements, so those details must be confirmed before layout.
Recommended
Portable Device Control
The MCF51QM64VHS is suitable for portable-device control when a product needs local real-time control alongside USB communication. The verified listing identifies the part at 50 MHz with 64 KB Flash and the NXP page describes portable-device positioning. A system designer can use the MCU for state management, peripheral coordination, and firmware storage while offloading higher-level connectivity to a companion radio or host. The compact 44-MAPLGA package supports board miniaturization, but battery life and low-power behavior cannot be evaluated because the supplied data does not provide sleep-current or active-current specifications.
Recommended
Industrial Peripheral Coordination
The MCF51QM64VHS can serve as an embedded coordinator in industrial peripheral systems where 32-bit processing and USB connectivity are useful. Its verified 50 MHz CPU rating provides a defined performance point for coordinating sensors, actuators, communication logic, and control sequences. The 64 KB Flash capacity should be checked against the firmware image and update requirements before deployment. Unlike a discrete controller assembly, the MCU integrates the processor, Flash, peripherals, and interfaces in one 44-MAPLGA device. The principal design limitation is that detailed peripheral availability, electrical timing, and functional safety information are not included in the supplied snippets.
Recommended
USB Data Acquisition and Control
The MCF51QM64VHS is a plausible fit for USB-connected data-acquisition front ends where a compact controller must read inputs, apply control logic, and transfer data. The verified part information supports a 50 MHz ColdFire V1 core and USB connectivity, while the 32-bit architecture supports common embedded control workloads. Place the MCU near the analog interface and USB routing region, isolate sensitive analog paths, and use short ground returns. The measurable system benefit is reduced external glue logic, but sampling rates, ADC resources, USB signaling details, and peripheral mappings are not present in the supplied data and must be confirmed from NXP documentation.
Recommended
Consumer Interface Controller
The MCF51QM64VHS can act as the dedicated interface controller in a consumer product that combines USB communication with local button, display, or peripheral handling. Its verified 50 MHz maximum frequency and 32-bit architecture are compatible with firmware that coordinates multiple peripheral functions, while 64 KB Flash defines the available program-memory budget. Use the package’s compact land pattern to preserve board area, but validate escape routing and thermal performance against the official package drawing. The design advantage is a single integrated controller for protocol and peripheral tasks; the limitation is that the supplied excerpts do not specify exact GPIO counts, display interfaces, or low-power modes.
Recommended
Firmware-Reuse Portable Platform
The MCF51QM64VHS supports development platforms intended to reuse software across related ColdFire+ MCU families. The verified NXP material states that MCF51Qx software and pin compatibility extends to the MCF51JF and MCF51JU families, which can reduce migration effort during product variants. This is useful for portable products with multiple hardware versions: establish one firmware abstraction layer, then validate peripheral multiplexing and memory assumptions for each exact suffix. Compatibility does not mean every family member is automatically interchangeable. Pin names, package drawings, Flash capacity, voltage options, and temperature grades must be compared before claiming a drop-in replacement.
Recommended
Recommended Products Summary
Engineering reference data for MCF51QM64VHS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF51QU64VHS | MCF51JF64VHS | MCF51JM64VQH | MCF51QU128VHS |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Processor Core | ColdFire V1 | ColdFire+ family | ColdFire+ family | ColdFire+ family | ColdFire+ family |
| Package | 44-MAPLGA (5 mm × 5 mm) | 44-MAPLGA (5 mm × 5 mm) | 44-MAPLGA (5 mm × 5 mm) | 44-MAPLGA (5 mm × 5 mm) | 44-MAPLGA (5 mm × 5 mm) |
Key Differentiators
- Verified 50 MHz performance target (vs MCF51QU64VHS)
- Verified 64 KB Flash configuration (vs MCF51QU128VHS)
- USB-enabled positioning (vs MCF51JF64VHS)
Design Notes
Use the official NXP 44-MAPLGA package drawing and land pattern rather than deriving the footprint from the distributor description. Confirm exposed-pad connection, ball numbering, solder-mask clearance, and paste geometry. Place power and decoupling connections directly at the relevant supply balls, and route high-speed or USB-related signals over a continuous reference plane to minimize return-path discontinuities.
Keep clock and sensitive control routing away from noisy switching nodes and maintain short return paths beneath signal traces. The verified data confirms a 50 MHz MCU but does not provide rise-time or timing details, so the final spacing and impedance rules should come from the device timing documentation and the actual board stack-up. Validate USB signal integrity with the selected transceiver and connector implementation.
Do not assume that a same-family MCF51 J/Q/QU variant is automatically drop-in. Compare the exact MPN suffix, package ball map, supply pins, reset and clock pins, peripheral multiplexing, Flash size, temperature grade, and USB implementation. The NXP page reports software and pin compatibility across families, but the supplied evidence does not establish unconditional compatibility for every variant.
Plan the power tree around the verified 1.8 V, 2.5 V, and 3.3 V operating-voltage options, while confirming which supplies apply to each ball and peripheral domain. Add local high-frequency decoupling and bulk capacitance according to the manufacturer reference design. Since current consumption, regulator sequencing, and low-power limits are not supplied, do not close a power budget from package or frequency information alone.
Compliance Information
Compliance status was not explicitly included in the supplied verified data. AEC-Q100 is marked not_applicable because no automotive qualification claim was provided.
