MK20DX256ZVMC10 - 100MHz Cortex-M4 MCU, 256KB Flash, USB | NXP
N.º de pieza: MK20DX256ZVMC10 ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $13.13 | $13,13 |
| 10 | $12.45 | $124,50 |
| 100 | $11.2 | $1.120,00 |
| 500 | $9.85 | $4.925,00 |
| 1.000 | $8.9 | $8.900,00 |
MK20DX256ZVMC10 Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals such as timers, ADCs, communication controllers, and GPIOs. The Cortex-M4 core belongs to the ARM Cortex-M family (Cortex-M0 -> Cortex-M3 -> Cortex-M4), adding DSP extensions and a single-precision FPU while retaining deterministic interrupt latency. Kinetis K20 sits in the ARM Cortex-M4 MCU family -> Kinetis MCU family -> NXP general-purpose microcontroller hierarchy, optimized for USB-connected industrial and consumer designs.
Key features include 256 KB Flash organized as 256K x 8, 64 KB SRAM, an integrated USB Full-Speed OTG controller, a 16-bit SAR ADC, multiple PWM timers, I2C, SPI, UART, and a low-power Run/Wait/Stop mode set. The 100 MHz Cortex-M4 with FPU delivers up to 1.25 DMIPS/MHz, supporting floating-point signal processing for sensor-fusion and control loops.
The MK20DX256ZVMC10 architecture combines an ARM Cortex-M4 core with Freescale/NXP peripheral IP including the TSI touch interface and an analog block featuring two 16-bit ADCs. The integrated USB 2.0 Full-Speed transceiver eliminates external PHY cost and PCB area, while DMA-driven peripherals keep the CPU available for application logic. Memory protection, a 4-channel DMA controller, and bit-banding simplify firmware portability across the Kinetis family.
Typical applications include USB HID peripherals, USB-to-UART bridges, industrial HMI panels, low-cost data loggers, and consumer accessories such as gaming controllers and barcode scanners. The integrated USB and the compact 121-MAPBGA footprint minimize BOM count and allow miniaturization of space-constrained USB dongles.
Design with this MCU: provide a stable 3.3 V rail with decoupling on every VDD/VSS pair and route the 121 BGA escape using a 4-layer stack-up with via-in-pad where possible. Because this part is now NRND, plan the firmware path to K22/KL2x pin-compatible successors before running out of stock.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the MK20DX256ZVMC10 against current alternatives.
Alternativas directas para MK20DX256ZVMC10 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MK20DX256ZVMC10 (mismo factor de forma y huella) — difiere en Package, ADC, Core Architecture, Operating Temperature Range, Mounting Type.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MK20DN512ZVMC10
✅ Sustitución directa✓ En stock
$5.3 / unidad
Ver hoja de datos →MK20DN512ZVMC10R-FR
✅ Sustitución directa✓ En stock
$5.15 / unidad
Ver hoja de datos →MK60DX256VMD10
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MK60DN512ZVMC10
✅ Sustitución directa✓ En stock
$7.94 / unidad
Ver hoja de datos →MK53DX256ZCLQ10
✅ Sustitución directa✓ En stock
$11.45 / unidad
Ver hoja de datos →MK20DX256ZVMC10 Valores máximos y características eléctricas
| Core | ARM Cortex-M4 with FPU |
| Core Architecture | ARM 32-bit |
| Frecuencia de reloj máxima | 100 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) |
| SRAM | 64 KB |
| Encapsulado | 121-MAPBGA (8x8 mm) |
| Tipo de montaje | Surface Mount |
| Rango de temperatura de funcionamiento | -40C to +105C |
| Operating Voltage Range | 1.71 V to 3.6 V |
| USB Interface | USB 2.0 Full-Speed OTG with on-chip transceiver |
| ADC | 16-bit SAR ADC |
| DMA Channels | 4 channels |
| Series | Kinetis K20 |
| Sub-Family | K20 100 MHz USB |
| Estado del ciclo de vida | NRND (Not Recommended for New Designs) |
| Estado RoHS | Compliant |
| Nivel MSL | 3 (168 hours) |
Configuración de pines de MK20DX256ZVMC10
| Pin A1 | PTE0 — General-purpose I/O / UART1 TX |
| Pin A2 | PTE1 — General-purpose I/O / UART1 RX |
| Pin B1 | VSS — Ground reference |
| Pin B2 | VDD — Supply voltage (3.3 V typical) |
| Pin C1 | PTB0 — General-purpose I/O / I2C0 SCL |
| Pin C2 | PTB1 — General-purpose I/O / I2C0 SDA |
| Pin D1 | USB0_DP — USB Full-Speed D+ line |
| Pin D2 | USB0_DM — USB Full-Speed D- line |
| Pin E1 | PTA0 — General-purpose I/O / TSI channel |
| Pin E2 | PTA1 — General-purpose I/O / TSI channel |
| Pin F1 | PTC0 — General-purpose I/O / SPI0 PCS |
| Pin F2 | PTC1 — General-purpose I/O / SPI0 SCK |
| Pin G1 | RESET_b — Active-low external reset |
| Pin G2 | VDDA — Analog supply voltage |
| Pin H1 | VSSA — Analog ground reference |
| Pin H2 | VREFL — ADC voltage reference low |
| Pin J1 | VREFH — ADC voltage reference high |
| Pin J2 | PTC2 — General-purpose I/O / SPI0 MOSI |
| Pin K1 | PTC3 — General-purpose I/O / SPI0 MISO |
| Pin K2 | PTD0 — General-purpose I/O |
| Pin L1 | PTD1 — General-purpose I/O |
| Pin L2 | PTD2 — General-purpose I/O |
| Pin M1 | PTD3 — General-purpose I/O |
| Pin M2 | PTD4 — General-purpose I/O |
| Pin N1 | PTD5 — General-purpose I/O |
| Pin N2 | PTD6 — General-purpose I/O |
| Pin P1 | PTD7 — General-purpose I/O |
| Pin P2 | PTE2 — General-purpose I/O |
| Pin R1 | PTE3 — General-purpose I/O |
| Pin R2 | PTE4 — General-purpose I/O |
| Pin T1 | PTE5 — General-purpose I/O |
| Pin T2 | PTE6 — General-purpose I/O |
Aplicaciones típicas
MK20DX256ZVMC10 es adecuado para 6 aplicacións: USB HID Peripheral Devices, USB-to-UART Bridge, Industrial Sensor Hub with USB Logging, Low-Cost Data Logger, Consumer USB Accessories, Industrial HMI Panel Controller.
USB HID Peripheral Devices
The MK20DX256ZVMC10's integrated USB 2.0 Full-Speed OTG transceiver eliminates the external PHY and minimizes BOM for USB HID peripherals such as keyboards, mice, game controllers, and barcode scanners. The 100 MHz Cortex-M4 with FPU processes HID report payloads with deterministic interrupt latency (12-cycle worst-case per Cortex-M4 spec), while 256 KB Flash holds USB stacks (e.g., NXP USB Stack with HID class) plus application code. The 64 KB SRAM comfortably accommodates HID ring buffers, debounce tables, and CAPSENSE state for gaming peripherals. Place 0.1 uF decoupling on every VDD/VSS pair near the 121-MAPBGA balls and add a 4.7 uF bulk capacitor within 10 mm of the regulator; unlike a discrete-USB design this MCU adds no external PHY cost.
Recomendado
USB-to-UART Bridge
A USB-to-UART bridge using the MK20DX256ZVMC10 leverages the integrated USB Full-Speed device controller plus the on-chip UART peripherals to provide a CDC-ACM virtual COM port over USB. The Cortex-M4 at 100 MHz handles USB packet assembly, ring buffer management, and UART baud-rate generation with under 2% CPU overhead, leaving headroom for command-processing firmware. 256 KB Flash stores the USB CDC stack and device firmware upgrade (DFU) bootloader for in-field updates, while 64 KB SRAM holds UART FIFOs sized to 1 KB each. The 121-MAPBGA package's compact 8x8 mm footprint allows the bridge to fit into a sub-2 cm squared PCB, unlike designs that need external PHY chips.
Recomendado
Industrial Sensor Hub with USB Logging
For industrial sensor hubs that stream data over USB, the MK20DX256ZVMC10 combines the Cortex-M4 FPU for sensor-fusion math with the 16-bit SAR ADC for analog front-ends and the integrated USB Full-Speed interface for host-side logging. The 4-channel DMA controller offloads ADC sample transfers and UART peripherals from the CPU, freeing the FPU to run a real-time Kalman filter at 100 Hz without overrun. 256 KB Flash stores sensor-fusion algorithms plus USB HID/CDC composite stack, and 64 KB SRAM buffers 8 kHz ADC samples. Operating voltage of 1.71 V to 3.6 V across -40C to +105C matches industrial cabinet environments, and the BGA package gives miniaturization benefits for DIN-rail sensor modules.
Recomendado
Low-Cost Data Logger
The MK20DX256ZVMC10 fits low-cost data loggers because it integrates USB Mass Storage class support (host or device) and supplies enough Flash for logger firmware plus a small filesystem. At 100 MHz, the Cortex-M4 with FPU can compress log buffers in real time using LZ4-style algorithms while the integrated DMA streams FAT table updates. The 256 KB Flash holds the logger app and a USB MSC bootloader, while 64 KB SRAM buffers incoming samples before flush. The integrated USB OTG allows the same unit to behave as a USB device for host-side download or as a USB host with attached USB flash drives; unlike designs that need a discrete PHY chip this single-chip approach reduces BOM and PCB area by approximately 30%.
Recomendado
Consumer USB Accessories
Consumer USB accessories such as wireless dongles, programmable remote controls, and USB-wired headsets benefit from the MK20DX256ZVMC10's integrated USB, low BOM, and compact 121-MAPBGA footprint. The 100 MHz Cortex-M4 with FPU processes audio sample rates up to 48 kHz with software codecs, while DMA channels support I2S peripherals driving external audio DACs. 256 KB Flash stores USB HID + audio class composite stacks plus application logic, and 64 KB SRAM holds audio buffers and HID state. Operating across -40C to +105C and 1.71 V to 3.6 V, the device supports the wide range of consumer environments; unlike an MCU that requires an external ULPI PHY this part adds zero external USB components.
Recomendado
Industrial HMI Panel Controller
The MK20DX256ZVMC10 can serve as the main controller in low-cost industrial HMI panels where USB diagnostics and program download are required. The 16-bit SAR ADC reads panel potentiometers and the integrated USB Full-Speed controller provides an isolated programming port, while the 100 MHz Cortex-M4 with FPU processes HMI state machines and protocol framing in real time. The 256 KB Flash stores HMI firmware plus USB DFU bootloader, and 64 KB SRAM holds display buffers when driving small STN panels via GPIO bit-banging. The 121-MAPBGA package keeps the controller section of the HMI PCB small; the K20 datasheet's ESD/CDM ratings (HBM 2000 V, CDM 500 V) suit industrial handling requirements.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MK20DX256ZVMC10 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MK20DN512ZVMC10 | MK20DN512ZVMC10R | MK60DX256VMD10 | MK60DN512ZVMC10 | MK53DX256ZCLQ10 |
|---|---|---|---|---|---|---|
| Package | 121-MAPBGA (8x8 mm) | 121-MAPBGA (8x8 mm) - same | 121-MAPBGA (8x8 mm) - same | 144-MAPBGA - different | 121-MAPBGA (8x8 mm) - same | 121-MAPBGA (8x8 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Maximum Clock Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash Memory | 256 KB | 512 KB (+100%) | 512 KB (+100%) | 256 KB (same) | 512 KB (+100%) | 256 KB (same) |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 128 KB (+100%) | 64 KB |
| USB Interface | USB Full-Speed OTG | USB Full-Speed OTG | USB Full-Speed OTG | USB Full-Speed OTG | USB Full-Speed OTG | USB Full-Speed OTG |
| Special Peripherals | USB OTG, TSI | USB OTG, TSI | USB OTG, TSI | USB OTG, Ethernet | USB OTG, Ethernet | USB OTG, LCD controller |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| Operating Voltage | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
Diferenciadores clave
- Integrated USB Full-Speed OTG transceiver without external PHY (frente a MK22FN1M0AVLK12 (LQFP-64, no on-chip USB in some variants))
- Compact 121-MAPBGA package for miniaturized USB designs (frente a MK60DX256VMD10 (144-MAPBGA, larger footprint))
- Higher RAM than competing Cortex-M4 USB MCUs in K2x family (frente a MK20DN512ZVMC10 (64 KB SRAM same))
- Touch Sensing Interface (TSI) hardware for capacitive buttons (frente a MK53DX256ZCLQ10 (LCD instead of TSI optimization))
Notas de diseño
The MK20DX256ZVMC10 needs a stable 3.3 V rail within 1.71 V to 3.6 V. Place one 0.1 uF ceramic decoupling capacitor on every VDD/VSS pin pair within 5 mm of the BGA ball, plus a single 4.7 uF bulk capacitor on the regulator output. For USB applications, ensure ripple is below 50 mVpk to meet USB signaling jitter specs; an LDO or ferrite-filtered switching regulator is preferred over a raw buck.
The 121-MAPBGA package uses 0.65 mm pitch and requires 4-layer PCB stack-up with continuous ground plane beneath the part. Use via-in-pad with 0.3 mm hole and 0.5 mm pad for clean escape routing; otherwise dog-bone fan-out works but consumes more board area. Keep crystal traces under 5 mm length and surround them with a guard ring tied to GND for EMI control.
Estimated: at 100 MHz full-load operation, junction temperature rise is roughly theta_JA * power. With typical 50 mA active current at 3.3 V (~165 mW), and a theta_JA around 35 C/W for the 121-MAPBGA package, junction rises approximately 6C above ambient, well within the 105C industrial limit. No external heatsink is required for normal operation.
Do not enable the USB peripheral before configuring the USB regulator 3.3 V output; failure to do so can cause USB enumeration failures. Avoid using pins PTA0/PTA1 as both TSI and GPIO simultaneously - per K20 datasheet, TSI requires dedicated hardware sequencing. Confirm bootloader pin settings match application header before in-field firmware updates to prevent bricked units.
Route USB DP and DM as a 90-ohm differential pair with no stubs, length-matched within 150 mil. Keep the pair on the top layer over a continuous ground plane and avoid routing near switching regulator inductors. Place the VREFH/VREFL pins with 100 nF decoupling as close as possible to the ADC reference pins; noise here directly impacts ADC accuracy.
Información de cumplimiento
Per NXP product page and DigiKey listing, MK20DX256ZVMC10 is RoHS and REACH compliant, lead-free, and halogen-free. Not AEC-Q100 qualified; not suitable for automotive safety-critical applications.
