MK20DX32VLF5 - 50MHz Cortex-M4 32KB MCU | NXP | Control
料号： MK20DX32VLF5 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.6656 | $4.67 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MK20DX32VLF5 概述
What is a microcontroller? A microcontroller is a semiconductor that combines a processor core with program memory, data memory, and peripherals on one integrated circuit. The MK20DX32VLF5 integrates the Cortex-M4 core, flash, SRAM, timing resources, communication interfaces, and control peripherals in a compact surface-mount package. That integration reduces the number of external components and provides a common platform for control, communications, analog measurement, and timing functions.
Three headline attributes define this device: 50 MHz processing frequency, 32 KB of flash memory, and a 48-LQFP package. The flash provides nonvolatile storage for firmware, while the Cortex-M4 architecture supports efficient real-time control. The 48-LQFP package exposes 48 connection pins and is suitable for conventional PCB assembly, but its relatively fine lead pitch requires careful soldering and footprint validation.
The Kinetis K20 series is described as including analog, communication, timing, and control peripherals. This makes the MCU suitable where a system needs more than simple GPIO control. Full-speed USB support can simplify connection to a host or peripheral when the board design, firmware, and signal integrity requirements are properly implemented. Exact peripheral configurations, pin functions, voltage limits, and electrical characteristics should be confirmed in the manufacturer datasheet before schematic or PCB release.
Typical uses include industrial control equipment, data acquisition modules, USB-connected embedded products, communications equipment, and compact consumer or instrumentation systems. The 50 MHz core provides useful headroom for interrupt handling, protocol processing, and supervisory tasks, while the 32 KB flash constrains firmware size and may require careful code optimization for graphics, large protocol stacks, or extensive libraries.
A key design consideration is that a drop-in replacement must match not only the 48-LQFP footprint but also the exact pinout, core, memory, peripheral set, voltage requirements, and firmware expectations. Although the verified search results show related Kinetis MPNs, they do not provide enough pin-level data to certify any substitute as drop-in compatible.
This page consolidates the verified NXP and distributor information for engineering selection, while clearly separating confirmed specifications from parameters that still require datasheet confirmation. It also explains why same-package candidates must undergo schematic, timing, USB, firmware, and lifecycle review before substitution.
直接替换替代料： MK20DX32VLF5 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MK20DX32VLF5 （相同外形与封装尺寸） ——差异在于 Package, Mounting Type, Connectivity, Number of I/O Pins, Core Size.
快速对比工具——选择替代料号进行并排对比：
MK20DX32VLH5
✅ 直接替换📋 参考替代料（不在目录中）
MK20DN32VLF5
✅ 直接替换📋 参考替代料（不在目录中）
MK20DX32VMP5
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MK20DN32VFT5
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.88 / 个
查看数据手册 →MK10DX32VMP5
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →MK20DX32VLF5 最大额定值与电气特性
| Product Type | 32-bit microcontroller |
| Product Series | Kinetis K20 |
| Processor Core | Arm Cortex-M4 |
| Core Architecture | 32-bit single-core |
| Maximum CPU Frequency | 50 MHz |
| Flash Memory | 32 KB (32K x 8) |
| SRAM | 8 KB |
| USB Capability | Full-speed USB |
| 封装 | 48-LQFP, 7 x 7 mm |
| 引脚数量 | 48 pins |
| 安装类型 | Surface mount |
| Product Status | Active |
| Peripheral Categories | Analog, communication, timing, and control peripherals |
MK20DX32VLF5 48-lqfp, 7 x 7 mm 引脚配置指南
MK20DX32VLF5（48-lqfp, 7 x 7 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MK20DX32VLF5.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MK20DX32VLF5 适用于 7 应用s: Industrial Control Systems, USB Data Acquisition Modules, Communications Equipment, Compact Instrumentation, Timing and Control Boards, USB Embedded Accessories, Secure Network-Connected Devices.
Industrial Control Systems
The MK20DX32VLF5 fits compact industrial controllers that require deterministic control logic together with communication and analog functions. Its confirmed 50 MHz Arm Cortex-M4 core provides processing headroom for supervisory tasks, state machines, and interrupt-driven control, while the K20 family is described as including communication, timing, and control peripherals. The 32 KB flash stores application firmware and configuration logic, and the 8 KB SRAM supports working buffers without an immediate external memory requirement. Designers should allocate pins according to the verified NXP pinout, confirm the operating voltage and temperature grade, and validate isolation, EMC, grounding, and connector protection for the final industrial environment.
推荐
USB Data Acquisition Modules
MK20DX32VLF5 is suitable for a USB-connected data-acquisition module because the verified listing confirms full-speed USB, a 50 MHz Cortex-M4 core, 32 KB flash, and 8 KB SRAM. The MCU can coordinate sensor sampling, buffering, control logic, and a USB device interface within one device, reducing the need for separate interface hardware. In implementation, the USB data lines, power connection, series impedance, pull network, protection elements, and connector layout must follow the relevant device requirements and the manufacturer recommendations. Firmware budgeting is also important because 32 KB of flash leaves limited room for stacks, protocol code, and future features.
推荐
Communications Equipment
The MK20DX32VLF5 can serve as the control processor in communications equipment where a compact 48-LQFP device and 50 MHz performance are useful. Its described communication and timing peripherals provide a foundation for UART, serial, or other interface work, while the Cortex-M4 core can manage framing, buffering, diagnostics, and supervisory functions. Firmware and hardware must be reviewed for peripheral multiplexing, clock configuration, interrupt priorities, signal conditioning, and connector protection. Because the supplied evidence does not identify the complete transceiver set or pin assignments, engineers should use the NXP datasheet and reference information to ensure that the selected communication interface is available on the chosen 48-LQFP option.
推荐
Compact Instrumentation
MK20DX32VLF5 is appropriate for compact instrumentation where a 32-bit MCU, local control, timing functions, and USB connectivity must fit into a limited board area. Its confirmed 32 KB flash and 8 KB SRAM are suitable for focused embedded workloads, including control-loop management, status reporting, configuration storage, and host communication. Analog signal conditioning remains external or must be verified against the exact K20 peripheral map, so front-end design should account for sensor range, noise, filtering, grounding, and reference accuracy. A hardware revision should preserve USB impedance routing, test points, programming access, and a stable power supply.
推荐
Timing and Control Boards
The 50 MHz Cortex-M4 core in MK20DX32VLF5 gives a timing-and-control board enough compute margin for deterministic interrupt handling, counter-based sequencing, and peripheral coordination. The K20 family description specifically names timing and control peripherals, which makes this device relevant to motor-control-adjacent, sequencing, and embedded automation products. The final design must verify timer channels, pin multiplexing, clock-tree details, and electrical limits in the official documentation; the search snippets do not provide a complete timer map. Keep high-current switching paths separate from sensitive control traces and use appropriate protection and grounding.
推荐
USB Embedded Accessories
MK20DX32VLF5 can be used in a USB embedded accessory when the product needs local logic, firmware control, and a compact 48-LQFP footprint. The verified full-speed USB capability supports USB integration, while 32 KB flash and 8 KB SRAM are appropriate for a focused accessory rather than a large application processor. Designers should verify USB device or host role requirements, power sourcing, enumeration behavior, cable protection, and supported USB classes. Firmware should reserve memory for protocol stacks and updates, and a production test point should preserve reliable programming and boundary-scan access without disturbing the USB signal path.
推荐
Secure Network-Connected Devices
MK20DX32VLF5 can support a compact network-connected embedded product when the design uses its 50 MHz Cortex-M4 processing and USB connectivity as part of a communications architecture. It is important to treat the 32 KB flash and 8 KB SRAM as hard design constraints: protocol libraries, certificates, logging, encryption buffers, and application logic must be budgeted before PCB layout is frozen. Security requirements such as authenticated updates, key storage, debug-port control, and physical tamper resistance are not confirmed in the supplied data and must be designed separately. NXP’s current documentation should be used to verify peripheral and pin availability before selecting this device for a connected endpoint.
推荐
推荐产品汇总
工程参考数据： MK20DX32VLF5 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MK20DX32VLH5 | MK20DN32VLF5 | MK20DX32VMP5 | MK20DN32VFT5 | MK10DX32VMP5 |
|---|---|---|---|---|---|---|
| Package | 48-LQFP, 7 x 7 mm | LQFP-48 | LQFP-48 | LQFP-48 | LQFP-48 | LQFP-48 |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 32 KB | 32 KB | 32 KB class | 32 KB class | 32 KB class | 32 KB class |
关键差异点
- Confirmed 50 MHz Cortex-M4 performance （对比 MK10DX32VMP5)
- Confirmed full-speed USB integration （对比 MK20DX32VLH5)
- 32 KB flash with 8 KB SRAM （对比 MK20DN32VLF5)
设计说明
Treat the 48-LQFP footprint as a controlled assembly interface. Verify the NXP package drawing, pin-one orientation, exposed pad status, solderable land pattern, and paste stencil against the current datasheet before release. The supplied web evidence confirms the 7 x 7 mm LQFP class but does not provide a pin-level land pattern, so do not copy a generic 48-LQFP footprint without checking terminal length, lead width, and courtyard clearances.
Calculate the regulator and USB power budget from the actual operating mode rather than from the 50 MHz headline frequency. The verified results do not specify current consumption, operating voltage, or USB power-source limits. Confirm the K20 current tables and USB requirements, then include startup transients, USB bus load, external loads, and regulator dropout margin. This prevents a board that appears efficient in idle mode from overloading its supply during startup or USB activity.
Route USB and other high-speed or edge-sensitive signals with short, continuous references and controlled return paths. Keep the USB connector, protection network, and MCU-side routing away from noisy switching nodes. The supplied data confirms full-speed USB but does not specify trace geometry, impedance, or pin availability, so use the current NXP hardware guidance and validate signal integrity with the actual stack-up, connector, cable, and firmware configuration.
Do not infer pin compatibility from the LQFP-48 outline or from a shared Kinetis family name. Verify every pin name, alternate function, power pin, ground pin, no-connect position, voltage domain, and programming/debug function against the exact ordering option. A substitute can look mechanically identical while changing temperature grade, USB behavior, peripheral mapping, or firmware support.
合规信息
The supplied verified snippets do not provide authoritative RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements for this exact MPN.