STM32F411CEY6TR - 100MHz Cortex-M4 MCU 512KB Flash 49-WLCSP | ST
N.º da peça: STM32F411CEY6TR ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.33 | $3,33 |
| 10 | $3 | $30,00 |
| 100 | $2.55 | $255,00 |
| 500 | $2.2 | $1.100,00 |
| 1.000 | $1.95 | $1.950,00 |
| 3.000 | $1.7 | $5.100,00 |
STM32F411CEY6TR Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash and RAM), and programmable peripherals. The Cortex-M4 family adds a single-precision FPU and DSP extensions, making it suitable for signal processing, sensor fusion, and motor control. MCUs sit at the lowest layer of the embedded hierarchy: SoC -> MCU -> Cortex-M4 -> STM32F4 series, and are governed by standards such as CMSIS, Arm Embedded ABI, and IEC 60730 for functional safety.
Key features of the STM32F411CEY6TR include 512 KB Flash, 128 KB SRAM, an ART Accelerator with 4 KB instruction cache that delivers 0-wait-state execution from Flash at 100 MHz, an active current consumption around 100 uA/MHz, and a comprehensive peripheral set including USB OTG FS, SPI, I2C, USART, timers, ADC, and SDIO. The integrated FPU accelerates floating-point math used in audio and control loops.
Architecturally, the device is built on a 90 nm CMOS process and uses ST's adaptive real-time ART Accelerator to eliminate Flash wait states, achieving benchmark-leading 1.25 DMIPS/MHz performance. The Cortex-M4 core is paired with a Nested Vectored Interrupt Controller (NVIC) supporting 16 priority levels, a Memory Protection Unit (MPU), and CoreSight debug/trace for production-safe development.
Typical applications include wearable fitness devices, drones and quadcopter flight controllers, USB HID peripherals, audio processing units, and low-power IoT edge nodes. The WLCSP package and aggressive 100 uA/MHz current make it attractive for size-constrained battery-powered designs.
When designing, place the WLCSP decoupling network (100 nF + 4.7 uF) within 2 mm of the supply balls, route the HSE/LSE traces as short as possible, and respect the WLCSP underfill recommendation if the board will see mechanical stress.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para STM32F411CEY6TR — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM32F411CEY6TR (mesmo formato e footprint) — diferindo em Package, Timers, Communication Interfaces, Core, Maximum Clock Frequency.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
Nenhuma alternativa drop-in disponível para este produto.
Solicitar alternativasSTM32F411CEY6TR Classificações máximas e características elétricas
| Core Architecture | ARM Cortex-M4 with FPU and DSP |
| Frequência máxima de clock | 100 MHz |
| Performance | 125 DMIPS / 1.25 DMIPS/MHz |
| Program Memory (Flash) | 512 KB |
| SRAM | 128 KB |
| Operating Voltage Range | 1.7 V to 3.6 V |
| Encapsulamento | 49-WLCSP (3 x 3.19 mm) |
| Tipo de montagem | Surface Mount |
| USB | USB OTG Full-Speed |
| ADC | 12-bit, up to 16 channels |
| Timers | 16- and 32-bit, multiple channels |
| Communication Interfaces | SPI, I2C, USART, SDIO |
| Temperatura de operação | -40 C to +85 C |
| Status RoHS | Compliant |
| Nível MSL | 1 |
| Supply Current (active) | approx. 100 uA/MHz |
Guia de Configuração de Pinos do STM32F411CEY6TR 49-wlcsp (3 x 3.19 mm)
Configuração de pinos para STM32F411CEY6TR (pacote 49-wlcsp (3 x 3.19 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para STM32F411CEY6TR.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
STM32F411CEY6TR é adequado para 6 aplicaçãos: Wearable Fitness and Health Tracker, Drone and Quadcopter Flight Controller, USB HID Peripheral and Audio Device, Industrial Sensor Hub and Edge Node, Audio Processing and Effects Pedal, IoT Edge Sensor with USB Debug.
Wearable Fitness and Health Tracker
The STM32F411CEY6TR is well suited to wearable fitness devices where board space is at a premium and DSP performance is needed for heart-rate or motion analysis. The 49-WLCSP footprint of 3 x 3.19 mm fits inside slim wristbands, while the Cortex-M4 with FPU and DSP extensions executes sensor-fusion filters such as Madgwick or Kalman in real time. The 100 MHz CPU and 128 KB SRAM hold the AHRS state and tap-detection buffers without off-chip memory. USB OTG full-speed supports direct charging and data sync without an external bridge IC. Compared to low-power Cortex-M0+ parts, the F411 trades 100 uA/MHz active current for a ~10x compute headroom, allowing on-device step counting and gesture recognition without external sensors.
Recomendado
Drone and Quadcopter Flight Controller
Drones and quadcopters require tight PID loops running at 1 kHz or faster while also handling radio comms and sensor fusion. The STM32F411CEY6TR's 100 MHz Cortex-M4 with FPU executes a quaternion-based attitude filter with sub-200 us latency. The 49-WLCSP package fits on 30 x 30 mm flight-controller boards alongside an MPU6050 or ICM-42688 IMU. Hardware SPI runs the IMU at 20 MHz with deterministic timing, while USART handles SBUS or CRSF receiver input. The FPU and DSP extension enable on-board audio processing for beeper tones or FPV microphone streams. Compared to Cortex-M0+ MCUs, the F411 adds 30-50% more headroom for vibration-damping notch filters without dropping loop rate.
Recomendado
USB HID Peripheral and Audio Device
The STM32F411CEY6TR's USB OTG full-speed controller enables keyboard, mouse, gamepad, MIDI, or USB audio class 1.0 devices without an external PHY. The on-chip FS transceiver saves a TUSB1106 or equivalent, reducing BOM by ~$0.50 and freeing board area. The Cortex-M4's 100 MHz clock comfortably runs USB polling at 1 kHz while leaving 60-70% CPU for HID processing, LED animations, or audio rendering. The 512 KB Flash holds a USB device stack plus application code; the 128 KB SRAM handles HID ring buffers and USB descriptors. Compared to F0- or L0-series MCUs, the F411 adds the FPU for any digital audio filter that may be layered on top of the USB stream.
Recomendado
Industrial Sensor Hub and Edge Node
Industrial sensor hubs aggregate multiple analog or digital sensors and forward preprocessed data to a PLC or cloud. The STM32F411CEY6TR's 12-bit ADC with 16 input channels, plus multiple SPI/I2C/USART ports, allows connection of thermocouples, pressure sensors, and accelerometers simultaneously. The Cortex-M4's 100 MHz and DSP extensions run FFT-based vibration analysis or moving-average filters at 1 kSPS. The 512 KB Flash is enough to hold a small TCP/IP stack or Modbus RTU master, while the 128 KB SRAM supports double-buffered acquisition. Compared to discrete MCU + DSP architectures, the F411 saves cost and PCB area by integrating everything on a single die in a 49-WLCSP.
Recomendado
Audio Processing and Effects Pedal
Guitar and vocal effects pedals increasingly use DSP for reverb, delay, and pitch shifting instead of analog bucket-brigade chips. The STM32F411CEY6TR's Cortex-M4 with FPU runs audio processing at 48 kHz sample rate with 200-500 taps of delay, sustaining under 50% CPU load for chorus or flanger effects. The 49-WLCSP package fits inside a 1590B enclosure with battery power. The I2S peripheral interfaces directly to a 24-bit audio codec such as the PCM5102A or SGTL5000. The 512 KB Flash stores preset tables and effects code, while the 128 KB SRAM hosts delay-line buffers. Compared to dedicated audio DSPs, the F411 offers a cost-effective general-purpose platform with USB for preset management.
Recomendado
IoT Edge Sensor with USB Debug
IoT edge nodes for smart home or building automation often combine sensor reading, local decision making, and USB-based firmware update. The STM32F411CEY6TR handles all three: SPI sensors for environment data, Cortex-M4 FPU for threshold detection or basic ML inference, and USB OTG FS for DFU bootloader or wired commissioning. The 49-WLCSP package integrates onto a coin-cell powered PCB where 100 mm square is the target. The 1.7-3.6 V supply range supports direct Li-coin-cell connection. Compared to bare Cortex-M0+ designs, the F411 adds 20-30x more compute and DSP capability for on-device anomaly detection.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32F411CEY6TR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM32F411CEU6TR | STM32F401CEY6TR | STM32F411CCU6TR | STM32F405OEY6TR | STM32F401CEU6 |
|---|---|---|---|---|---|---|
| Package | 49-WLCSP (3x3.19 mm) | 48-UFQFPN | 49-WLCSP | 48-UFQFPN | WLCSP | 48-UFQFPN |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Cortex-M4 100 MHz | Cortex-M4 100 MHz | Cortex-M4 84 MHz | Cortex-M4 100 MHz | Cortex-M4 168 MHz | Cortex-M4 84 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 256 KB | 1 MB | 256 KB |
| SRAM | 128 KB | 128 KB | 96 KB | 128 KB | 192 KB | 96 KB |
| USB | USB OTG FS | USB OTG FS | USB OTG FS | USB OTG FS | USB OTG FS + HS | USB OTG FS |
| Operating Voltage | 1.7-3.6 V | 1.7-3.6 V | 1.7-3.6 V | 1.7-3.6 V | 1.8-3.6 V | 1.7-3.6 V |
| DMIPS | 125 DMIPS | 125 DMIPS | 105 DMIPS | 125 DMIPS | 210 DMIPS | 105 DMIPS |
Principais diferenciais
- WLCSP package with 100 MHz and 512 KB Flash (vs STM32F401CEY6TR)
- Highest compute density in 49-WLCSP STM32F4 family (vs STM32F411CCU6TR)
- Lower power at same 100 MHz vs F405 in WLCSP (vs STM32F405OEY6TR)
Notas de projeto
The 49-WLCSP package requires a 4-layer PCB with laser-drilled micro vias or a 6-layer stackup with staggered vias to route signals out of the inner balls. Place 100 nF decoupling on every VDD ball within 2 mm trace length, plus one 4.7 uF bulk capacitor on the main rail. Route the HSE and LSE crystal traces as short as possible (<5 mm) and guard with a ground ring to reduce EMI.
WLCSP packages are sensitive to board flex; ST recommends underfill (such as Henkel Loctite 3563) when the assembly will see drop, vibration, or thermal cycling stresses. Skipping underfill can lead to solder joint fatigue and intermittent failures in field deployments. Also respect the MSL-1 floor life - while MSL-1 allows unlimited out-of-bag time, the 49-WLCSP land pads are easily contaminated by handling.
The STM32F411CEY6TR's WLCSP package has limited thermal dissipation compared to UFQFPN or LQFP packages. Estimated: at 100 MHz active and 3.3 V supply, core current is ~33 mA, dissipating ~110 mW. Without thermal vias or copper pour, junction temperature can rise 20-30 C above ambient. For continuous high-CPU designs, add a 5 x 5 mm copper pour under the package and stitch it with thermal vias to internal ground planes.
The USB OTG FS data lines (DP, DM) must be routed as a 90 ohm differential pair with length matching to within 1 mm. Keep the pair clear of clock traces, switcher nodes, and high-current paths. Add a common-mode choke and ESD protection array (such as USBLC6-2SC6) close to the USB connector. Avoid running the differential pair over plane splits, which causes impedance discontinuities and EMI.
Informações de conformidade
RoHS and REACH compliant per ST product page. Not AEC-Q100 qualified - this part targets consumer, industrial, and IoT applications, not automotive. For automotive-grade STM32F4 parts, use STM32F4x9 or STM32F4x3 AEC-Q100 variants.
