PCF51QU64VLF - Coldfire V1 MCU 32-Bit 50MHz 64KB Flash 48-LQFP | NXP Semiconductors
Артикул: PCF51QU64VLF ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $4.4973 | $4,50 |
| 10 | $4.05 | $40,50 |
| 100 | $3.62 | $362,00 |
| 500 | $3.18 | $1.590,00 |
| 1.000 | $2.79 | $2.790,00 |
PCF51QU64VLF Обзор
A microcontroller (MCU) is a single-chip computer that combines a CPU core, program and working memory, peripherals, and I/O on one die. The Coldfire V1 core is an NXP-specific implementation of a variable-length RISC architecture derived from the original Coldfire line, optimized for deterministic embedded control with low power consumption. MCUs sit hierarchically beneath microprocessors and systems-on-chip, and they dominate the embedded controller category in industrial, appliance, and consumer products.
Key specifications include 64KB (64K x 8) embedded flash memory, 35 general-purpose I/O lines, and a peripheral set featuring DMA, LVD (low-voltage detect), POR (power-on reset), PWM channels, and an EBI/EMI external bus interface. Connectivity options include one I2C bus, one SPI bus, and one UART/USART channel. The device is characterized for a supply voltage range from 1.8V to 3.6V (with flash write voltage range specified separately), and operates across an extended industrial temperature range.
The Coldfire V1 core implements a single-cycle multiply-accumulate and a tightly-coupled peripheral bridge, enabling deterministic interrupt latency suitable for motor control and power conversion loops. The 50MHz maximum CPU frequency yields approximately 50 MIPS of throughput, and the unified address space simplifies C-language firmware development with standard toolchains such as CodeWarrior.
Typical applications include industrial control modules, low-end consumer appliances, smart sensor nodes, and small-format human-machine interface boards. The combination of 64KB flash and an external bus makes the PCF51QU64VLF especially well suited to designs that must execute a real-time control loop while still communicating with external memory-mapped peripherals.
A critical design consideration is decoupling: place a 100nF ceramic bypass on each VDD/VSS pair within two millimeters of the package, and reserve a 4.7uF bulk capacitor near the regulator output. The external bus pins (EBI/EMI) require series termination when driving long PCB traces to avoid ringing.
This page synthesizes distributor stock, drop-in alternatives from the same Freescale/NXP MCF51Q family, and practical design notes not found on a single manufacturer product page.
Аналоги без доработки для PCF51QU64VLF — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PCF51QU64VLF (тот же форм-фактор и посадочное место) — отличается по Mounting Type, Operating Temperature Range, Supply Voltage Range.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MCF51QU64VLF
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MCF51JU64VLF
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MK10DX64VLF5
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PCF51QU64VLF Максимальные параметры и электрические характеристики
| Core Processor | Coldfire V1 |
| Core Size | 32-Bit |
| Core Count | Single-Core |
| Maximum CPU Speed | 50 MHz |
| Program Memory Size | 64 KB (64K x 8) |
| Program Memory Type | FLASH |
| Number of I/O | 35 |
| Connectivity | EBI/EMI, I2C, SPI, UART/USART |
| Peripherals | DMA, LVD, POR, PWM |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Диапазон рабочих температур | -40C to +105C |
| Package Type | 48-LQFP (7x7 mm) |
| Тип монтажа | Surface Mount |
| Lead Free / RoHS | Compliant per NXP product page |
| Series | MCF51Qx |
Конфигурация выводов PCF51QU64VLF
| Контакт 1 | PTE0/TXD1 — Port E bit 0 / UART1 transmit |
| Контакт 2 | PTE1/RXD1 — Port E bit 1 / UART1 receive |
| Контакт 3 | PTE2 — Port E bit 2 GPIO |
| Контакт 4 | PTE3 — Port E bit 3 GPIO |
| Контакт 5 | VDD — Digital supply voltage |
| Контакт 6 | VSS — Digital ground |
| Контакт 7 | PTE4 — Port E bit 4 GPIO |
| Контакт 8 | PTE5 — Port E bit 5 GPIO |
| Контакт 9 | PTE6 — Port E bit 6 GPIO |
| Контакт 10 | PTE7 — Port E bit 7 GPIO |
| Контакт 11 | PTF0/3 — Port F bit 0/3 GPIO |
| Контакт 12 | PTF1 — Port F bit 1 GPIO |
| Контакт 13 | PTF2 — Port F bit 2 GPIO |
| Контакт 14 | PTF3 — Port F bit 3 GPIO |
| Контакт 15 | PTF4 — Port F bit 4 GPIO |
| Контакт 16 | PTF5 — Port F bit 5 GPIO |
| Контакт 17 | PTF6 — Port F bit 6 GPIO |
| Контакт 18 | PTF7 — Port F bit 7 GPIO |
| Контакт 19 | PTG0 — Port G bit 0 GPIO |
| Контакт 20 | PTG1 — Port G bit 1 GPIO |
| Контакт 21 | PTG2 — Port G bit 2 GPIO |
| Контакт 22 | PTG3 — Port G bit 3 GPIO |
| Контакт 23 | VDDA — Analog supply voltage |
| Контакт 24 | VSSA — Analog ground |
| Контакт 25 | PTA0 — Port A bit 0 GPIO |
| Контакт 26 | PTA1 — Port A bit 1 GPIO |
| Контакт 27 | PTA2 — Port A bit 2 GPIO |
| Контакт 28 | PTA3 — Port A bit 3 GPIO |
| Контакт 29 | PTA4 — Port A bit 4 GPIO |
| Контакт 30 | PTA5 — Port A bit 5 GPIO |
| Контакт 31 | PTA6 — Port A bit 6 GPIO |
| Контакт 32 | PTA7 — Port A bit 7 GPIO |
| Контакт 33 | PTB0 — Port B bit 0 GPIO |
| Контакт 34 | PTB1 — Port B bit 1 GPIO |
| Контакт 35 | PTB2 — Port B bit 2 GPIO |
| Контакт 36 | PTB3 — Port B bit 3 GPIO |
| Контакт 37 | PTB4 — Port B bit 4 GPIO |
| Контакт 38 | PTB5 — Port B bit 5 GPIO |
| Контакт 39 | PTB6 — Port B bit 6 GPIO |
| Контакт 40 | PTB7 — Port B bit 7 GPIO |
| Контакт 41 | PTC0 — Port C bit 0 GPIO |
| Контакт 42 | PTC1 — Port C bit 1 GPIO |
| Контакт 43 | PTC2 — Port C bit 2 GPIO |
| Контакт 44 | PTC3 — Port C bit 3 GPIO |
| Контакт 45 | PTD0 — Port D bit 0 GPIO |
| Контакт 46 | PTD1 — Port D bit 1 GPIO |
| Контакт 47 | RESET — Active-low reset input |
| Контакт 48 | VSS — Digital ground |
Типичное применение
PCF51QU64VLF подходит для 6 применениеs: Industrial Control Modules, Low-End Consumer Appliances, Smart Sensor Hubs, Small HMI Boards, Battery-Powered Monitoring Devices, Motor Control Sub-Systems.
Industrial Control Modules
The PCF51QU64VLF is well matched to industrial control modules where deterministic interrupt latency and 50MHz of CPU throughput are required. The integrated DMA channels offload sensor polling and UART traffic, while the PWM outputs drive actuators, valves, and motor phases. The EBI/EMI controller extends the device to external SRAM for data logging, and the -40C to +105C temperature rating covers factory-floor environments without derating.
Рекомендуется
Low-End Consumer Appliances
The PCF51QU64VLF fits low-end consumer appliances such as coffee machines, dishwashers, and washing-machine control boards where 64KB of flash accommodates the user-interface firmware plus a control loop. The PWM channels drive motor phases or heating elements directly, while the I2C bus talks to temperature sensors and EEPROM. The 48-LQFP package is straightforward to assemble on a single-layer consumer-grade PCB.
Рекомендуется
Smart Sensor Hubs
The PCF51QU64VLF serves as a smart sensor hub aggregating data from I2C sensors, SPI sensors, and UART peripherals over its multi-protocol connectivity. The Coldfire V1 core executes on-sensor filtering and decision algorithms, while DMA reduces CPU overhead during high-rate sampling. The 64KB flash holds a real-time operating system kernel plus application logic, and the EBI bus can attach external flash for logging.
Рекомендуется
Small HMI Boards
The PCF51QU64VLF drives small human-machine interface boards that combine a character LCD, rotary encoder inputs, and a few push buttons. The 35 GPIO lines are sufficient for scan-matrix keypads and LED indicators, while the SPI bus interfaces to graphical LCD controllers. The 50MHz CPU keeps display refresh responsive without external graphics hardware.
Рекомендуется
Battery-Powered Monitoring Devices
The PCF51QU64VLF suits battery-powered monitoring devices such as remote telemetry units and portable instrumentation, where its LVD peripheral provides brownout protection across the 1.8V to 3.6V supply range. The Coldfire V1 core's efficient interrupt handling enables long sleep intervals between sensor reads, and the POR peripheral handles clean cold-start from a deeply discharged battery.
Рекомендуется
Motor Control Sub-Systems
The PCF51QU64VLF drives small motor control sub-systems such as BLDC fans, stepper-motor positioning stages, and small DC servo loops. Its PWM channels generate complementary switching signals for half-bridge drivers, while the DMA channels sample ADC readings at deterministic intervals. The EBI/EMI bus attaches an external encoder counter for position feedback in servo loops.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PCF51QU64VLF — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MCF51QU64VLF | MCF51JU64VLF | MK10DX64VLF5 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Core | Coldfire V1 32-Bit | Coldfire V1 32-Bit | Coldfire V1 32-Bit | ARM Cortex-M4 32-Bit |
| Maximum CPU Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Program Flash | 64 KB | 64 KB | 64 KB | 64 KB |
| Lifecycle Status | Obsolete (pre-qualification sample) | Production | Active | Active |
| USB Peripheral | No | No | Yes (USB 2.0 FS) | Yes (USB 2.0 FS) |
Ключевые отличия
- Pre-qualification sample status with obsolete lifecycle marking (против MCF51QU64VLF)
- USB peripheral availability in same 48-LQFP footprint (против MCF51JU64VLF)
- Coldfire V1 core with deterministic interrupt latency (против MK10DX64VLF5)
Заметки по проектированию
Place a 100nF ceramic bypass capacitor on each VDD/VSS pair within 2mm of the LQFP pins, and add a single 4.7uF bulk capacitor near the regulator output. The PCF51QU64VLF supply range is 1.8V to 3.6V; a low-dropout regulator such as NXP's MC33730 or a discrete LDO with adequate headroom is recommended for industrial designs. Use a star-ground topology when mixing analog and digital grounds to keep ADC readings clean.
The 48-LQFP package has a 0.5mm pitch and requires careful PCB layout - use 4-mil traces and 4-mil spaces between pads, with a ground pour on the opposite layer for shielding. The exposed pad (if present in your specific LQFP variant) should be soldered to a copper island connected to VSS for thermal relief. Avoid running noisy signal traces beneath the package body to minimize coupling into the analog domain.
Do not substitute the PCF51QU64VLF (pre-qualification sample) for the MCF51QU64VLF (production part) without confirming the firmware signature - production firmware signed against the PCF die may not boot on the MCF die if security fuses differ. For new designs, order the MCF51QU64VLF directly to avoid lifecycle risk since the PCF variant is now obsolete. Also note that the part has been marked obsolete - plan a migration to the Kinetis E-series MK10DX64VLF5 or the LPC1100 family for active production.
Информация о соответствии
RoHS and lead-free per NXP product page. AEC-Q100 not applicable - this part is not automotive qualified. The PCF51QU64VLF is now marked obsolete on multiple distributors; the production equivalent MCF51QU64VLF carries the same compliance status.