MK22FX512VMD12 - 120MHz Cortex-M4F MCU, 512KB Flash, USB, 144-MAPBGA | NXP
料号： MK22FX512VMD12 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.4 | $18.40 |
| 10 | $16.85 | $168.50 |
| 100 | $14.95 | $1,495.00 |
| 500 | $13.2 | $6,600.00 |
| 1,000 | $11.5 | $11,500.00 |
MK22FX512VMD12 概述
What is a Kinetis K microcontroller? The Kinetis K series is NXP's Cortex-M4 based MCU portfolio organized into sub-families (K10/K20/K22/K60/K70) that share peripheral IP but scale flash, RAM, and package. The K22 sits in the mid-range with 512 KB flash, 128 KB RAM, and integrated USB OTG. In the broader taxonomy, this part is a 32-bit microcontroller -> ARM Cortex-M MCU -> Kinetis K-series -> K22 sub-family -> general-purpose embedded controller. USB OTG, FPU, and FlexMemory are its three defining technology differentiators versus older K10/K20 parts.
Key features include 120 MHz CPU with FPU, 512 KB flash, 128 KB FlexMemory (EEPROM emulation), 128 KB SRAM, full-speed USB OTG with on-chip transceiver, 16-bit SAR ADC, 12-bit DAC, multiple DMA channels, and low-power Run / VLPR / VLPS / LLS / VLLS modes. The part supports -40 C to +105 C industrial temperatures and is suitable for IEC 60730 class B safety applications. Hardware cryptography and tamper detection are not included, so secure boot must be implemented in firmware.
Technical depth: The K22 uses a Cortex-M4F core with DSP instructions and single-precision FPU, an 8-channel DMA, a multi-purpose FlexBus external bus controller, and a programmable gain amplifier. The MAPBGA 144-pin package exposes rich I/O including up to 4 UART, 3 SPI, 2 I2C, 2 CAN, USB OTG, and an SDHC interface. The MAPBGA 144 has a typical thermal resistance theta_JA of approximately 30-35 C/W on a 4-layer JEDEC test board.
Typical applications include industrial control, USB human-interface devices, point-of-sale terminals, low-power sensor hubs, motor control with FOC, building automation, and portable medical accessories. The combination of FPU, USB, and 128 KB RAM supports real-time control loops and USB stacks on a single die.
Design consideration: Route the MAPBGA fan-out on a 4-layer PCB minimum with micro-vias; supply the VBAT pin from a backup battery if RTC retention is needed across power cycles; configure the MCG mode (FEI/FEE/PBE/PEE) before enabling the on-chip USB transceiver to ensure 48 MHz USB clock accuracy.
This page synthesizes distributor pricing, same-package K-series alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： MK22FX512VMD12 ——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： MK22FX512VMD12 （相同外形与封装尺寸） ——差异在于 ADC, Core Architecture, Mounting Type, Package, Operating Temperature Range.
快速对比工具——选择替代料号进行并排对比：
MK22FX512VMD12R
✅ 直接替换📋 参考替代料（不在目录中）
MK22FX512AVMD12
✅ 直接替换📋 参考替代料（不在目录中）
MK64FX512VMD12
✅ 直接替换✓ 有现货
$10.45 / 个
查看数据手册 →MK22FX512VMC12
✅ 直接替换✓ 有现货
$7.34 / 个
查看数据手册 →MK22FX512VMD12 最大额定值与电气特性
| Core Architecture | ARM Cortex-M4F with single-precision FPU |
| Maximum CPU Frequency | 120 MHz |
| Program Flash | 512 KB |
| FlexMemory (EEPROM emulation) | 128 KB |
| SRAM | 128 KB |
| USB | USB OTG full-speed with on-chip transceiver |
| ADC | 16-bit SAR |
| DAC | 12-bit |
| 封装 | 144-MAPBGA (13 x 13 mm) |
| Operating Voltage | 1.71 V to 3.6 V |
| 工作温度 | -40 C to +105 C |
| 安装类型 | Surface Mount (MAPBGA) |
| Series | Kinetis K22 |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
MK22FX512VMD12 144-mapbga (13 x 13 mm) 引脚配置指南
MK22FX512VMD12（144-mapbga (13 x 13 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： MK22FX512VMD12.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MK22FX512VMD12 适用于 6 应用s: Industrial USB Human-Interface Devices, Point-of-Sale Terminals, Building Automation Controllers, Low-Power Portable Sensor Hubs, Motor Control with Field-Oriented Control, Medical Accessory Controllers.
Industrial USB Human-Interface Devices
The MK22FX512VMD12's full-speed USB OTG with on-chip transceiver removes the need for an external PHY, reducing BOM cost in HID keyboards, barcode scanners, and industrial mice. The Cortex-M4F at 120 MHz provides plenty of headroom for HID report aggregation and vendor-specific control transfers. With 128 KB RAM and 16-bit SAR ADC, the same MCU can monitor battery state, switch inputs, and stream USB data simultaneously. The 1.71 V to 3.6 V operating range supports 5 V USB bus-powered designs without an extra regulator on the VBUS sensing path.
推荐
Point-of-Sale Terminals
Point-of-sale terminals require USB device connectivity, secure keypad scanning, and real-time LCD handling. The K22 integrates USB OTG, two CAN interfaces, and a 16-bit ADC that supports magnetic-stripe and smart-card analogue front-ends. The 512 KB flash holds firmware for PCI-grade encryption libraries and the 128 KB SRAM accommodates EMV transaction buffers. Hardware FPU accelerates RSA exponentiation routines used in PIN-block encryption, while the MAPBGA 144 footprint allows 4-layer PCB designs that fit standard POS chassis.
推荐
Building Automation Controllers
Building-automation hubs aggregate sensor data from HVAC, lighting, and security subsystems. The MK22FX512VMD12's FlexBus interface supports external SRAM expansion for protocol stacks like BACnet or KNX, while the integrated USB OTG serves as a service-port for firmware updates. Two CAN peripherals handle fieldbus connectivity, and the low-power Run/VLPR modes cut consumption between scheduled sensor reads. The -40 C to +105 C industrial temperature range covers unheated equipment rooms and outdoor enclosures.
推荐
Low-Power Portable Sensor Hubs
Portable sensor hubs for wearables and remote telemetry benefit from the K22's full set of low-power modes - VLPR drops current draw below 1 mA while still keeping the core ready to wake on interrupt. The 16-bit ADC with PGA front-end handles thermocouple and load-cell conditioning directly, eliminating external analogue chips. USB OTG supports both charging and data sync from a single port. The FPU processes floating-point sensor-fusion algorithms in real time, which is critical for IMU-based orientation tracking.
推荐
Motor Control with Field-Oriented Control
Field-oriented control of BLDC and PMSM motors demands single-precision FPU performance, high-resolution PWM, and fast ADC sampling. The K22's Cortex-M4F at 120 MHz executes FOC loops in tens of microseconds, while the 16-bit ADC with dual-sample-and-hold captures phase currents synchronously. FlexTimer/PWM outputs provide up to eight channels with complementary pairs and dead-time insertion. USB OTG allows live tuning of motor parameters from a host PC during commissioning.
推荐
Medical Accessory Controllers
Medical accessories such as patient monitors and infusion-pump controllers require IEC 60730 class B software safety compliance and deterministic real-time response. The K22 supports class B libraries, hardware watchdog, CRC, and DMA-driven ADC sampling that meet these requirements. The 512 KB flash accommodates full class B self-test routines plus application firmware. USB OTG enables tethered diagnostics, and the low-leakage stops preserve battery life across patient-bedside deployments.
推荐
推荐产品汇总
工程参考数据： MK22FX512VMD12 ——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 | MK22FX512VMD12R | MK22FX512AVMD12 | MK64FX512VMD12 | MK22FX512VMC12 |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-MAPBGA (13x13) | 144-MAPBGA (13x13) | 144-MAPBGA (13x13) | 144-MAPBGA (13x13) | 144-MAPBGA |
| Core | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 256 KB | 128 KB |
| USB | OTG FS on-chip transceiver | OTG FS on-chip transceiver | OTG FS on-chip transceiver | OTG FS + Ethernet MAC | OTG FS on-chip transceiver |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C |
| Lifecycle Status | NRND | NRND | NRND | Active | Obsolete |
关键差异点
- Crystal-less full-speed USB OTG with on-chip transceiver （对比 MK22FX512AVMD12)
- Lower RAM than K64 family at same package （对比 MK64FX512VMD12)
- Kinetis low-power VLPR sub-mA mode with FPU retention （对比 MK22FX512VMC12)
设计说明
Route the 144-MAPBGA on a 4-layer PCB minimum with laser-drilled micro-vias on the 1.0 mm ball pitch. Use a 0.4 mm drill and 0.2 mm pad via-in-pad with copper fill for thermal relief. Place 100 nF decoupling caps on each VDD pin within 2 mm trace length. The exposed die pad must be soldered to the ground plane with at least 9 thermal vias in a 3x3 pattern to keep theta_JA under 35 C/W.
The MK22 supports 1.71 V to 3.6 V on VDD and a separate VBAT pin for RTC retention. Decouple VBAT with a 1 uF X7R ceramic and a 100 nF bypass; tie VBAT to VDD through a 100 k resistor if battery backup is not needed. Configure the PMC regulator (PMC_REGSC) to enable the low-power modes only after locking the SystemCoreClock to avoid inadvertent core reset during Stop entry.
Firmware built for MK22FX512VMD12 is not guaranteed to run on MK22FX512AVMD12 due to register-map differences in DMA, MCG, SPI, UART, and USB. Per NXP Community thread 478763, the header files differ; verify against the specific mk22f12.h or mk22fa12.h before porting. Also note that the crystal-less USB mode is qualified for full-speed device only - high-speed or host certification requires a crystal reference.
合规信息
RoHS and lead-free confirmed per NXP product page. Not AEC-Q100 qualified - for automotive-grade applications use the S32K or SPC56xx families. Reach and conflict-minerals statements are available in NXP environmental quality documents.
