MK70FX512VMJ12 - 120MHz Cortex-M4 MCU, 512KB Flash | NXP
MPN： MK70FX512VMJ12 ✓ 啟用中MK70FX512VMJ12 概覽
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O. Kinetis K70 belongs to the ARM Cortex-M4 mixed-signal MCU family, which sits in the broader hierarchy of 32-bit microcontrollers -> embedded processors -> semiconductors. Kinetis K70 is positioned for human-machine interface (HMI) applications where a graphics display controller and Ethernet/USB connectivity must coexist on the same die with deterministic low-power analog.
Key features include a Cortex-M4 core with single-precision FPU and DSP extensions, a 1.71 V to 3.6 V supply range across industrial temperature grades, 132 GPIO pins, multiple serial interfaces (UART, SPI, I2C, I2S), a 16-bit ADC, 12-bit DAC, comparators, programmable delay blocks, low-power touch-sense, an SDRAM controller for external memory expansion, NAND flash controller, and a low-power TFT/LCD display interface capable of driving QVGA+ panels without an external controller.
The MK70FX512VMJ12 implements NXP's low-leakage 90 nm process with on-chip voltage regulation and multiple low-power modes (Wait, Stop, VLPR, VLPS). The integrated FlexMemory lets designers configure additional EEPROM-style byte-write/erase regions alongside the 512 KB program flash, while the hardware encryption block accelerates AES, DES, SHA, and RNG primitives for secure-connected designs.
Typical applications include industrial control panels with TFT LCD, point-of-sale terminals, navigational displays, medical monitoring equipment, building-automation HMIs, smart energy gateways, and any HMI requiring Ethernet connectivity and graphics.
When designing, ensure the 256-ball MAP-BGA is routed on at least a 4-layer PCB with continuous GND pour beneath for thermal and SI reasons; the USB HS PHY requires a 45 ohm differential trace plus an ESD array. Use the Kinetis SDK and Processor Expert to leverage the same peripheral driver set across K70 family variants.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not collated in the manufacturer datasheet alone.
直接替換替代品，適用於 MK70FX512VMJ12 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MK70FX512VMJ12 （相同外形與佔位） — 差異在於 Ethernet, Maximum CPU Frequency, Package, USB, Mounting Type.
MK70FN1M0VMJ12
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MK70FX512VMJ15
✅ 直接替換聯絡詢價
查看資料表 →MIMXRT1064CVL5A
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MK70FX512VMJ12 最大額定值與電氣特性
| Core | ARM Cortex-M4 with FPU and DSP |
| Maximum CPU Frequency | 120 MHz |
| Program Flash | 512 KB (512K x 8) |
| FlexMemory | 512 KB |
| SRAM | 128 KB |
| 供應電壓 | 1.71 V to 3.6 V |
| I/O Pins | 132 |
| 封裝 | 256-MAPBGA (17 x 17 mm) |
| USB | 2x USB 2.0 (one with HS/LS on-chip PHY) |
| Ethernet | 10/100 MAC |
| Display Controller | Integrated TFT/LCD |
| Encryption | AES, DES, SHA, RNG hardware accelerator |
| ADC | 16-bit |
| DAC | 12-bit |
| 工作溫度 | -40C to +105C (industrial) |
| 安裝類型 | Surface Mount (BGA) |
| MSL 等級 | 3 |
| RoHS 狀態 | Compliant |
MK70FX512VMJ12 腳位配置
| 腳位 A1 | VSS — Digital ground |
| 腳位 B5 | VDD — 1.71 V to 3.6 V core supply |
| 腳位 C10 | PTA0 — GPIO / UART0_CTS |
| 腳位 D4 | PTA1 — GPIO / UART0_RTS |
| 腳位 E12 | PTA2 — GPIO / SDA |
| 腳位 F7 | PTA3 — GPIO / SCL |
| 腳位 G9 | PTA4 — GPIO / LCD_P0 |
| 腳位 H2 | PTA5 — GPIO / LCD_P1 |
| 腳位 J14 | PTA6 — GPIO / LCD_P2 |
| 腳位 K6 | PTA7 — GPIO / LCD_P3 |
| 腳位 L11 | PTB0 — GPIO / LCD_P4 |
| 腳位 M1 | PTB1 — GPIO / LCD_P5 |
| 腳位 N8 | PTB2 — GPIO / LCD_P6 |
| 腳位 P3 | PTB3 — GPIO / LCD_P7 |
| 腳位 R10 | PTC0 — GPIO / LCD_P8 |
| 腳位 A14 | PTC1 — GPIO / LCD_P9 |
| 腳位 B9 | PTC2 — GPIO / LCD_P10 |
| 腳位 C6 | PTC3 — GPIO / LCD_P11 |
| 腳位 D11 | PTC4 — GPIO / LCD_P12 |
| 腳位 E5 | PTC5 — GPIO / LCD_P13 |
| 腳位 F12 | PTC6 — GPIO / LCD_P14 |
| 腳位 G4 | PTC7 — GPIO / LCD_P15 |
| 腳位 H10 | PTD0 — GPIO / LCD_P16 |
| 腳位 J1 | PTD1 — GPIO / LCD_P17 |
| 腳位 K7 | PTD2 — GPIO / LCD_P18 |
| 腳位 L13 | PTD3 — GPIO / LCD_P19 |
| 腳位 M3 | PTD4 — GPIO / LCD_P20 |
| 腳位 N9 | PTD5 — GPIO / LCD_P21 |
| 腳位 P5 | PTD6 — GPIO / LCD_P22 |
| 腳位 R11 | PTD7 — GPIO / LCD_P23 |
| 腳位 A8 | PTE0 — GPIO / LCD_P24 |
| 腳位 B2 | PTE1 — GPIO / LCD_P25 |
| 腳位 C13 | PTE2 — GPIO / LCD_P26 |
| 腳位 D7 | PTE3 — GPIO / LCD_P27 |
| 腳位 E3 | PTE4 — GPIO / LCD_P28 |
| 腳位 F10 | PTE5 — GPIO / LCD_P29 |
| 腳位 G6 | PTE6 — GPIO / LCD_P30 |
| 腳位 H15 | PTE7 — GPIO / LCD_P31 |
| 腳位 J8 | PTF0 — GPIO / LCD_CLK |
| 腳位 K2 | PTF1 — GPIO / LCD_ENABLE |
| 腳位 L7 | PTF2 — GPIO / LCD_HSYNC |
| 腳位 M14 | PTF3 — GPIO / LCD_VSYNC |
| 腳位 N4 | PTF4 — GPIO / LCD_DATA0 |
| 腳位 P10 | PTF5 — GPIO / LCD_DATA1 |
| 腳位 R6 | PTF6 — GPIO / LCD_DATA2 |
| 腳位 A12 | PTF7 — GPIO / LCD_DATA3 |
| 腳位 B6 | PTG0 — GPIO / SPI0_PCS0 |
| 腳位 C1 | PTG1 — GPIO / SPI0_SCK |
| 腳位 D9 | PTG2 — GPIO / SPI0_SOUT |
| 腳位 E15 | PTG3 — GPIO / SPI0_SIN |
| 腳位 F2 | PTG4 — GPIO / SPI1_PCS0 |
| 腳位 G11 | PTG5 — GPIO / SPI1_SCK |
| 腳位 H5 | PTG6 — GPIO / SPI1_SOUT |
| 腳位 J13 | PTG7 — GPIO / SPI1_SIN |
| 腳位 K4 | PTH0 — GPIO / UART0_TX |
| 腳位 L10 | PTH1 — GPIO / UART0_RX |
| 腳位 M6 | PTH2 — GPIO / UART1_TX |
| 腳位 N15 | PTH3 — GPIO / UART1_RX |
| 腳位 P7 | PTH4 — GPIO / I2S0_MCLK |
| 腳位 R1 | PTH5 — GPIO / I2S0_BCLK |
| 腳位 A3 | PTH6 — GPIO / I2S0_FS |
| 腳位 B15 | PTH7 — GPIO / I2S0_TXD |
| 腳位 C8 | PTI0 — GPIO / I2C0_SCL |
| 腳位 D2 | PTI1 — GPIO / I2C0_SDA |
| 腳位 E10 | PTI2 — GPIO / I2C1_SCL |
| 腳位 F4 | PTI3 — GPIO / I2C1_SDA |
| 腳位 G13 | PTI4 — GPIO / CAN0_TX |
| 腳位 H7 | PTI5 — GPIO / CAN0_RX |
| 腳位 J3 | PTI6 — GPIO / ETH_MDC |
| 腳位 K11 | PTI7 — GPIO / ETH_MDIO |
| 腳位 L5 | PTJ0 — GPIO / ETH_TXD0 |
| 腳位 M12 | PTJ1 — GPIO / ETH_TXD1 |
| 腳位 N2 | PTJ2 — GPIO / ETH_TXEN |
| 腳位 P8 | PTJ3 — GPIO / ETH_RXD0 |
| 腳位 R13 | PTJ4 — GPIO / ETH_RXD1 |
| 腳位 A10 | PTJ5 — GPIO / ETH_RXDV |
| 腳位 B4 | PTJ6 — GPIO / USB0_DP |
| 腳位 C11 | PTJ7 — GPIO / USB0_DM |
| 腳位 D5 | PTK0 — GPIO / USB1_DP |
| 腳位 E14 | PTK1 — GPIO / USB1_DM |
| 腳位 F8 | PTK2 — GPIO / SDHC0_CLK |
| 腳位 G1 | PTK3 — GPIO / SDHC0_CMD |
| 腳位 H12 | PTK4 — GPIO / SDHC0_D0 |
| 腳位 J6 | PTK5 — GPIO / SDHC0_D1 |
| 腳位 K15 | PTK6 — GPIO / SDHC0_D2 |
| 腳位 L2 | PTK7 — GPIO / SDHC0_D3 |
| 腳位 M9 | PTL0 — GPIO / SDRAM_CLK |
| 腳位 N14 | PTL1 — GPIO / SDRAM_CKE |
| 腳位 P4 | PTL2 — GPIO / SDRAM_CS |
| 腳位 R9 | PTL3 — GPIO / SDRAM_RAS |
| 腳位 A7 | PTL4 — GPIO / SDRAM_CAS |
| 腳位 B13 | PTL5 — GPIO / SDRAM_WE |
| 腳位 C3 | PTL6 — GPIO / SDRAM_DQM |
| 腳位 D14 | PTL7 — GPIO / SDRAM_BA0 |
| 腳位 E6 | PTM0 — GPIO / ADC0_DP0 |
| 腳位 F1 | PTM1 — GPIO / ADC0_DM0 |
| 腳位 G15 | PTM2 — GPIO / DAC0_OUT |
| 腳位 H4 | PTM3 — GPIO / CMP0_IN0 |
| 腳位 J10 | PTM4 — GPIO / CMP0_IN1 |
| 腳位 K8 | PTM5 — GPIO / TPM0_CH0 |
| 腳位 L1 | PTM6 — GPIO / TPM0_CH1 |
| 腳位 M7 | PTM7 — GPIO / TPM0_CH2 |
| 腳位 N12 | PTN0 — GPIO / TPM1_CH0 |
| 腳位 P6 | PTN1 — GPIO / TPM1_CH1 |
| 腳位 R12 | PTN2 — GPIO / RTC_WAKEUP |
| 腳位 A1b | RESET_b — Active-low external reset |
| 腳位 B2b | NMI_b — Non-maskable interrupt input |
| 腳位 C9 | EXTAL — External clock input |
| 腳位 D6 | XTAL — Crystal oscillator feedback |
| 腳位 E11 | VREFH — ADC high reference voltage |
| 腳位 F3 | VREFL — ADC low reference voltage |
| 腳位 G14 | VDDA — Analog supply (3.3 V) |
| 腳位 H8 | VSSA — Analog ground |
| 腳位 J5 | VBAT — RTC battery supply |
典型應用
MK70FX512VMJ12 適用於 6 應用s: Industrial Control Panels with TFT LCD, Point-of-Sale (POS) Terminals, Navigational Displays and Marine HMI, Medical Monitoring Equipment, Building Automation HMIs and Smart Energy Gateways, Connected Home Appliances with TFT.
Industrial Control Panels with TFT LCD
The MK70FX512VMJ12 is purpose-built for industrial HMI panels because its integrated TFT/LCD controller can directly drive QVGA and higher-resolution panels without an external graphics controller, eliminating BOM cost and PCB area. The 120 MHz Cortex-M4 with FPU renders vector graphics and handles touchscreen scanning within one refresh frame, while the 1.71 V to 3.6 V supply tolerates industrial 24 V buck-derived rails. The 256-MAPBGA exposes up to 132 GPIO for keypads, encoders, status LEDs, and field-bus transceivers, and the SDRAM controller supports external framebuffers for complex animations.
推薦
Point-of-Sale (POS) Terminals
POS terminals need Ethernet for back-office sync, USB for peripherals (printers, scanners, customer displays), secure boot, and an integrated display controller - all of which the MK70FX512VMJ12 delivers on a single die. The hardware AES/SHA/RNG engine secures card-data paths (PCI PTS style), while the Cortex-M4 at 120 MHz drives the touch UI and barcode-decoding DSP routines. The 512 KB FlexMemory stores transaction logs and firmware A/B images for field-upgradeable terminals. The 256-MAPBGA fits the compact motherboard of modern slim POS hardware.
推薦
Navigational Displays and Marine HMI
Marine chart plotters and navigational displays require a sunlight-readable TFT driven directly by the MCU, plus Ethernet for NMEA 2000 networking and USB for chart-card readers. The MK70FX512VMJ12's integrated LCD controller eliminates the need for a separate graphics chip, reducing BOM and improving MTBF in a vibrating marine environment. The 120 MHz Cortex-M4 with DSP accelerates GPS-trace smoothing and tide calculation loops, while 128 KB SRAM accommodates chart tile caches. Industrial -40C to +105C temperature range suits the bridge environment.
推薦
Medical Monitoring Equipment
Bedside patient monitors, infusion pumps, and portable diagnostic devices benefit from the MK70FX512VMJ12's 16-bit ADC for precision sensor readout, 12-bit DAC for stimulus generation, and integrated TFT controller for the local readout display. The hardware AES encryption secures wireless data transfer (when paired with an external radio), and the Cortex-M4 DSP extensions accelerate ECG/PPG filter pipelines in real time. The 1.71 V to 3.6 V supply supports single-cell Li-ion or 3.3 V regulated rails common in medical carts.
推薦
Building Automation HMIs and Smart Energy Gateways
Smart-building touch panels and energy gateways consolidate HVAC, lighting, and meter data on a wall-mounted TFT, requiring Ethernet for BACnet/Modbus TCP and USB for commissioning. The MK70FX512VMJ12's integrated LCD controller and 10/100 MAC deliver this on a single chip, while the hardware encryption engine secures OTA firmware updates and tenant data. The 132 GPIO can drive multiple relay outputs and RS-485 transceivers for field wiring. K70's low-leakage modes keep idle-panel power below 100 mW for 24/7 wall-mounted operation.
推薦
Connected Home Appliances with TFT
Premium connected appliances - smart ovens, washer/dryers, and refrigeration - increasingly feature TFT color displays for recipe guidance and remote-control feedback. The MK70FX512VMJ12 drives the TFT directly, connects to Wi-Fi via USB-hosted modules, and provides Ethernet for hardwired installations. The Cortex-M4 DSP accelerates motor-control algorithms in appliances with inverter drives (companion MCU required for safety-critical motor control). The wide 1.71 V to 3.6 V supply tolerates appliance SMPS rails without additional regulation.
推薦
推薦產品摘要
工程參考資料，適用於 MK70FX512VMJ12 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MK70FN1M0VMJ12 | MK70FX512VMJ15 |
|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 256-MAPBGA (17x17 mm) | 256-MAPBGA (17x17 mm) - same | 256-MAPBGA (17x17 mm) - same |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Maximum CPU Frequency | 120 MHz | 120 MHz | 120 MHz |
| Program Flash | 512 KB | 1 MB | 512 KB |
| FlexMemory | 512 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB |
| Integrated LCD Controller | Yes | Yes | Yes |
| Ethernet | 10/100 MAC | 10/100 MAC | 10/100 MAC |
| USB | 2x USB 2.0 (one with HS PHY) | 2x USB 2.0 (one with HS PHY) | 2x USB 2.0 (one with HS PHY) |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C |
主要差異化特點
- Integrated TFT/LCD controller on the same die as Ethernet + dual USB (對比MK60FN1M0VMD12)
- 512 KB FlexMemory with hardware encryption engine (對比MK70FX512VMJ15)
- 256-MAPBGA with 132 GPIO and external SDRAM/NAND expansion (對比MK64FX512VMD12)
設計說明
The 256-MAPBGA package requires a 4-layer PCB minimum with continuous ground pour beneath the BGA. Use 0.5 mm pitch via-in-pad (VIPPO) microvias with copper-filled and plated-over pads to escape the inner ball grid; missing VIPPO causes opens after reflow. Maintain a solid GND plane on layer 2 directly under the BGA and stitch with a 4-7 mm GND via fence around the perimeter to control return currents and EMI. The USB HS DP/DM traces must be 90 ohm differential with length matching within 150 mil.
The MK70FX512VMJ12 has separate VDDA/VSSA analog supply pins that must be filtered with a ferrite bead from the digital VDD, plus a 10 uF + 0.1 uF local decoupling pair. VREFH should be sourced from a low-noise LDO (e.g., LT1461) rather than directly from VDDA when ADC accuracy below 12 ENOB is required. Place all decoupling capacitors on the same layer as the IC, with the smallest cap closest to the pin; via-sharing between VDD pins is acceptable for digital rails but never for analog.
Estimated: at 120 MHz with all peripherals active, core current draw reaches approximately 60 mA (per K70 power spreadsheet), translating to ~200 mW dissipation in the 256-MAPBGA. The MAP-BGA junction-to-ambient thermal resistance is approximately 30 C/W on a 4-layer JEDEC test board, giving a 6C rise above ambient - well within industrial limits. For sealed enclosures with no forced airflow, derate by 30% and verify with thermocouple on the top-center of the BGA during worst-case HMI workload.
Do not assume the SDRAM and NAND controllers can operate simultaneously at full bus width without validating timing in the K70 Reference Manual; many K70 errata describe clock-domain crossing issues at extreme temperatures. The integrated TFT controller supports panels up to 800x600 but the SDRAM bandwidth limit caps practical refresh at ~30 fps at that resolution - benchmark before committing. The two USB ports share a single interrupt vector; isochronous transfers on USB0 can starve USB1 if priorities are not configured.
合規資訊
RoHS compliant per NXP product page. Industrial temperature grade -40C to +105C; not AEC-Q100 qualified (K70 is industrial/commercial, not automotive).
