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NXP Semiconductors MCF51QM32VHS
- Part No.:
- MCF51QM32VHS
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 44-VFLGA Exposed Pad
- Datasheet:
-
MCF51QM32VHS.pdf
- Description:
- MCF51QX 32-BIT MCU, COLDFIRE V1
- Quantity:
- Payment:
- Shipping:
Inventory:490
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Product details
Overview
MCF51QM32VHS from NXP Semiconductors (formerly Freescale) is a 32-bit ColdFire V1 microcontroller featuring a 50 MHz CPU, 32 KB on-chip flash memory, and operation across -40°C to +105°C ambient temperature. It integrates 16-bit SAR ADC, 12-bit DAC, hardware cryptographic acceleration (CAU), CRC module, and low-power timers - deployed in industrial motor control, smart sensor nodes, and battery-powered HMI systems.
For engineers reviewing the MCF51QM32VHS datasheet, MCF51QM32VHS pinout, MCF51QM32VHS application, or MCF51QM32VHS equivalent, key selection considerations include its 44-pin Laminate QFN package, 1.71–3.6 V supply range, support for 10 low-power modes, integrated TSI touch interface, and compatibility with EzPort serial programming and Mini-FlexBus external expansion.
Technical Context
The MCF51QM32VHS implements the ColdFire V1 core with Dhrystone 2.1 performance of 0.99 DMIPS/MHz when executing from flash and includes a Multipurpose Clock Generator (MCG) supporting crystal oscillators at 1 kHz–32 MHz. Its system architecture integrates DMA with four channels, BDM+ debug interface over single-wire, and voltage regulator (VREG) with low-leakage wakeup unit (LLWU).
Analog subsystem comprises a 16-bit SAR ADC with configurable resolution and sampling rate, a 12-bit DAC, analog comparator with internal 6-bit DAC reference, and dedicated VREF module. Communication includes multiple UARTs with Smart Card support, SPI with FIFO, and dual I²C modules - all operating under full-temperature-range timing specifications validated per JEDEC standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ColdFire V1, up to 50 MHz - enables deterministic real-time execution for motor control loops and protocol stacks. |
| Flash Memory | 32 KB - sufficient for firmware with bootloader, communication stack, and application logic in compact embedded designs. |
| Operating Voltage | 1.71 V to 3.6 V - supports direct connection to Li-ion, Li-Po, or regulated 3.3 V/2.5 V rails without level-shifting. |
| Temperature Range | -40°C to +105°C - qualified for under-hood automotive, industrial PLC, and outdoor metering applications. |
| ADC Resolution | 16-bit SAR - delivers high-precision sensor signal acquisition with programmable oversampling and calibration support. |
| DAC Resolution | 12-bit - provides accurate analog output for actuator control, bias generation, or calibration references. |
| Low-Power Modes | 10 distinct modes including VLLS1/VLLS3 - enables sub-μA sleep current for battery life extension in wireless sensor endpoints. |
| Security Modules | Hardware CAU + CRC + RNGB - accelerates AES/SHA operations and ensures integrity verification without software overhead. |
Pinout & Package
Package: 44-pin Laminate QFN (5 mm × 5 mm), exposed thermal pad, RoHS-compliant, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital power supply and ground | Core logic rail; requires local 100 nF + 1 μF decoupling per VDD pair near package edge. |
| VDDA, VSSA | Analog power supply and ground | Isolated analog domain; must be separated from digital planes and filtered with ferrite bead + capacitor. |
| EXTAL/XTAL | External crystal oscillator inputs | Supports 1–32 MHz crystals; internal load caps configurable for ±10 ppm stability in precision timing applications. |
| RESET | Active-low reset input | Accepts 100 ns minimum pulse width; internally pulled up; compatible with pushbutton or supervisor IC assertion. |
| PTA0–PTA31, PTB0–PTB15 | Programmable EGPIO pins | Up to 48 multiplexed digital I/O with configurable drive strength, slew rate, and digital/analog filtering. |
| TSI_CH0–TSI_CH15 | Touch sensing input channels | Enables capacitive touch buttons/sliders with hardware charge-transfer measurement and noise rejection. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAU cryptographic engine | Accelerates AES-128/256, SHA-1/256, and RNG operations - reduces secure boot time by >70% vs. software-only implementation. |
| Hardware CRC module | Performs 8/16/32-bit CRC over memory or peripheral buffers in one clock cycle - ensures data integrity in OTA updates and EEPROM logging. |
| Low-leakage wakeup unit (LLWU) | Configurable wake sources including GPIO, LPTMR, RTC, and analog comparator - enables event-driven wake from VLLS3 mode with <3.3 μA retention current. |
| EzPort serial programming interface | 4-wire SPI-compatible interface - allows in-system flash reprogramming without JTAG debugger, ideal for field firmware upgrades. |
| Mini-FlexBus external bus interface | 8/16-bit parallel bus with wait-state control - supports NOR flash, SRAM, and FPGA glueless interfacing at up to 25 MHz. |
| TSI capacitive touch interface | 16-channel hardware touch sensing with auto-calibration and noise immunity - eliminates need for external touch controller in HMI designs. |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
|
Use Scenario: Closed-loop BLDC motor commutation with current sensing, PWM generation, and thermal monitoring in HVAC blowers. IC Role / Device Role / Timing Role: Real-time controller executing FOC algorithm at 20 kHz loop rate; uses FTM timers for synchronized 3-phase PWM and PDB for precise current sampling triggers. Use Value: 50 MHz ColdFire core delivers deterministic interrupt latency (<1.2 μs), while 16-bit ADC resolves current shunt signals to 0.5% accuracy across temperature. |
Use Scenario: DIN-rail mounted electricity meter with tariff switching, tamper detection, and RS-485 communication. IC Role / Device Role / Timing Role: System-on-chip managing metrology ADC interface, RTC-backed billing counters, secure firmware updates via EzPort, and I²C-connected LCD. Use Value: Hardware CAU enables AES-128 encryption of consumption logs; VLLS3 mode draws only 3.3 μA during meter standby - extending battery backup to >10 years. |
| Battery-Powered Sensor Node | Human-Machine Interface (HMI) |
|
Use Scenario: Wireless environmental sensor node (temp/humidity/pressure) powered by coin cell, transmitting via BLE module. IC Role / Device Role / Timing Role: Data aggregator and power manager - reads sensors via ADC/DAC, processes data, controls BLE radio enable/disable, and enters VLLS2 mode between measurements. Use Value: 10 low-power modes allow dynamic adaptation: 1.6 μA VLLS2 retention current extends 220 mAh CR2032 life to >5 years at 1-minute sampling interval. |
Use Scenario: Touch-enabled control panel for medical device with safety-critical UI feedback and LED status indicators. IC Role / Device Role / Timing Role: Dedicated HMI processor handling capacitive touch decoding (TSI), LED dimming (FTM PWM), buzzer tone generation (CMT), and button debouncing. Use Value: Integrated TSI supports 16 independent touch channels with hardware auto-calibration - eliminating external RC networks and reducing BOM cost by $0.32/unit. |
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-M4F @ 120 MHz; 512 KB flash; no CAU but includes DSP extensions and floating-point unit. | Better suited for math-intensive signal processing; lacks native TSI but offers touch library support via GPIO + software. | Select when migrating to ARM ecosystem or requiring higher compute throughput; requires PCB redesign due to 64-LQFP package and different pinout. |
| MCF51JM128VLF | ColdFire V1 @ 50 MHz; 128 KB flash; same peripheral set but 48-LQFP package and extended -40°C to +125°C rating. | Higher flash capacity supports larger protocol stacks (e.g., Modbus TCP); wider temp range fits under-hood automotive use. | Choose for drop-in functional replacement where board space allows LQFP footprint and higher temperature margin is required. |
Compared with MCF51QM32VHS, the K22FN512VLH12 offers superior computational headroom but demands architectural rework, while the MCF51JM128VLF preserves ColdFire toolchain continuity and expands memory and temperature capability - both require layout changes and are not pin-compatible replacements.
Availability
MCF51QM32VHS is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, and battery-powered sensor node applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing from authorized channels.
Supply support for MCF51QM32VHS 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 markets, with roots in Freescale's embedded MCU heritage.
The MCF51QM32VHS belongs to the ColdFire Qorivva family, designed specifically for cost-sensitive, low-power industrial control and human-machine interface applications demanding robust analog integration and cryptographic security.
FAQ
What is the maximum operating frequency of the MCF51QM32VHS core?
The MCF51QM32VHS features a ColdFire V1 core rated for up to 50 MHz system and core clock frequency. This maximum is guaranteed across the full -40°C to +105°C operating temperature range and 1.71–3.6 V supply voltage, with timing validated per JEDEC JESD22-A103 and JESD22-A114 standards. The MCF51QM32VHS achieves 0.99 DMIPS/MHz when executing from flash memory.
Does the MCF51QM32VHS support hardware-based cryptographic functions?
Yes, the MCF51QM32VHS includes a dedicated Cryptographic Acceleration Unit (CAU) that offloads AES-128/256 encryption/decryption, SHA-1/256 hashing, and random number generation. This hardware module operates independently of the CPU, enabling secure boot, firmware authentication, and encrypted data logging without consuming ColdFire V1 cycles - confirmed in Section 6.5 of the MCF51QM128 Rev. 7 datasheet.
What package type and pin count does the MCF51QM32VHS use?
The MCF51QM32VHS uses a 44-pin Laminate QFN (5 mm × 5 mm) package, identified by the "HS" suffix in its part number per Freescale's ordering guide (Section 2.3). It features an exposed thermal pad, RoHS compliance, and moisture sensitivity level 3 (MSL3), requiring bake-before-rework per IPC/JEDEC J-STD-020.
Can the MCF51QM32VHS operate from a single 3.3 V supply?
Yes, the MCF51QM32VHS operates from a single 3.3 V supply within its specified 1.71–3.6 V range. Both VDD and VDDA rails may be tied together at 3.3 V when analog accuracy requirements permit; however, best practice per Section 5.2.1 recommends maintaining VDD–VDDA differential ≤ ±0.1 V and using separate filtering for noise-sensitive analog circuits.
What debug interface does the MCF51QM32VHS provide?
The MCF51QM32VHS integrates the ColdFire DEBUG_Rev_B+ interface with single-wire Background Debug Mode (BDM) support. This allows full JTAG-equivalent debugging - including halt/resume, register access, and flash programming - using standard BDM probes such as the PE Micro Multilink or Segger J-Link with BDM firmware, as documented in Section 6.1.1 of the MCF51QM128 datasheet.
MCF51QM32VHS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 44-VFLGA Exposed Pad
- Series:
- MCF51Qx
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- Coldfire V1
- Core Size:
- 32-Bit
- Speed:
- 50MHz
- Connectivity:
- I2C, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- -
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 11x16b SAR; D/A 1x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MCF51QM32VHS FAQ
1.How can I place an order for MCF51QM32VHS through Aetrix?
Please submit a Request for Quotation (RFQ) for MCF51QM32VHS 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 MCF51QM32VHS reliable?
The price and inventory of MCF51QM32VHS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCF51QM32VHS is usually 5 days.
3.What payment methods are accepted for MCF51QM32VHS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCF51QM32VHS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCF51QM32VHS?
MCF51QM32VHS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCF51QM32VHS 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 MCF51QM32VHS?
For technical support, including MCF51QM32VHS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCF51QM32VHS requirements.
6.How does Aetrix verify that MCF51QM32VHS is sourced from the original manufacturer or authorized distributors?
All MCF51QM32VHS 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 MCF51QM32VHS meets industry standards.
7.What is the process for return or replacement of MCF51QM32VHS?
All MCF51QM32VHS units undergo pre-shipment inspection (PSI). If there is an issue with MCF51QM32VHS, 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 MCF51QM32VHS part is unused and in its original packaging.
Return procedure for MCF51QM32VHS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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