STM32F411RCT7TR - 100MHz Cortex-M4 MCU, 256KB Flash, 64-LQFP | STMicroelectronics
부품 번호: STM32F411RCT7TR ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $8.61 | $8.61 |
| 10 | $7.75 | $77.50 |
| 100 | $6.94 | $694.00 |
| 500 | $6.21 | $3,105.00 |
| 1,000 | $5.55 | $5,550.00 |
STM32F411RCT7TR 개요
An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core with single-precision floating-point unit and SIMD DSP instructions, forming the top tier of the Cortex-M family. Microcontrollers (MCUs) integrate CPU, memory, and peripherals on a single chip, serving as the embedded brain for everything from wearables to motor controllers. The STM32F4 series specifically targets high-performance applications needing DSP, FPU, and large memory, sitting above the Cortex-M0/M3 entry-level families.
Key features of the STM32F411RCT7TR include 256 KB single-bank Flash with ART Accelerator for zero-wait-state execution, 128 KB SRAM, USB 2.0 OTG full-speed, 11 timers including motor-control PWM, one 12-bit ADC reaching 2.4 MSPS, and up to 81 GPIO lines. The 100 MHz Cortex-M4 delivers 125 DMIPS and 273 CoreMark, with single-precision FPU enabling direct floating-point math. The 64-LQFP package provides ample I/O for mixed-signal designs while remaining hand-solderable for prototypes.
The architecture combines a 3-stage pipeline Cortex-M4 core with a multi-AHB bus matrix, allowing parallel DMA, USB, and peripheral access without stalling the CPU. The ART Accelerator pre-fetches instructions from Flash, eliminating the performance penalty typically seen at 100 MHz without wait states. Cryptographic and random-number hardware is not present on this part, distinguishing it from higher-end F4 variants.
Typical applications include consumer audio devices, USB peripherals, small-format motor control (BLDC, stepper), home automation controllers, fitness wearables, and HMI panels. The combination of DSP, FPU, USB OTG, and generous SRAM makes it a strong choice for sensor fusion and audio decoding on a single chip.
When designing with this MCU, ensure VDD is decoupled with 100 nF + 4.7 µF per supply pin, and that BOOT0 is pulled correctly for the desired boot mode. The 64-LQFP lacks the extra I/O of 100-pin variants, so plan pin assignments against the alternate-function matrix before committing to layout.
드롭인 대체품: STM32F411RCT7TR — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: STM32F411RCT7TR (동일 폼 팩터 및 풋프린트) — 차이점: Core, Package, Operating Temperature, ADC, Communication Interfaces.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
STM32F411RCT7
✅ 드롭인✓ 재고 있음
$6.1311 / 개
데이터시트 보기 →STM32F411RCT6TR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
STM32F401RCT6
✅ 드롭인✓ 재고 있음
$2.65 / 개
데이터시트 보기 →STM32F405VGT6TR
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$8.1 / 개
데이터시트 보기 →STM32F030RCT6TR
✅ 드롭인✓ 재고 있음
$2.25 / 개
데이터시트 보기 →STM32F411RCT7TR 최대 정격 & 전기적 특성
| Core Architecture | ARM Cortex-M4 with FPU and DSP |
| 최대 클록 주파수 | 100 MHz |
| Program Memory (Flash) | 256 KB |
| SRAM | 128 KB |
| 패키지 | 64-LQFP (10x10 mm) |
| Supply Voltage (VDD) | 1.7 V to 3.6 V |
| GPIO Count | Up to 81 (depends on package) |
| ADC | 1x 12-bit, up to 2.4 MSPS |
| USB | USB 2.0 OTG Full-Speed |
| Timers | 11 (including motor-control PWM) |
| Communication Interfaces | 13 (USART, SPI, I2C, USB, CAN, SDIO) |
| 동작 온도 | -40 °C to +105 °C |
| Performance | 125 DMIPS / 273 CoreMark |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
| MSL 레벨 | 3 |
STM32F411RCT7TR 64-lqfp (10x10 mm) 핀 구성 가이드
STM32F411RCT7TR(64-lqfp (10x10 mm) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: STM32F411RCT7TR.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
STM32F411RCT7TR 적합 용도: 6 애플리케이션s: USB Peripherals and HID Devices, BLDC and Stepper Motor Control, Audio Decoding and Consumer Audio Devices, Industrial HMI Panels and Display Controllers, IoT Edge Sensor Hubs, Fitness Wearables and Consumer Wearable Devices.
USB Peripherals and HID Devices
The STM32F411RCT7TR's USB 2.0 OTG full-speed controller with on-chip PHY makes it a natural fit for USB peripherals including HID input devices, USB audio class (UAC) speakers, USB CDC virtual COM ports, and USB mass-storage bridges. The 100 MHz Cortex-M4 with FPU can run USB stacks plus custom application code comfortably, and the 128 KB SRAM is large enough to hold a full-speed USB packet buffer alongside audio or sensor data streams. Designers typically connect DP/DM to PA11/PA12 and add a 1.5 kΩ pull-up on DP for device-mode enumeration. The integrated PHY removes the need for external USB chips, reducing both BOM cost and PCB area compared to MCUs that require an external ULPI PHY.
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BLDC and Stepper Motor Control
The STM32F411RCT7TR's 11 timers including the advanced-control TIM1 and TIM8 make it a strong choice for sensorless BLDC and stepper motor control. Complementary PWM outputs with programmable dead-time and hardware break inputs allow direct interfacing to three-phase gate drivers, while the 12-bit ADC at 2.4 MSPS samples phase currents and back-EMF for field-oriented control (FOC). The 100 MHz Cortex-M4 with FPU runs a complete FOC loop in under 10 µs, leaving headroom for commutation, RPM estimation, and current PI loops. The 105 °C junction rating (T7 grade) supports under-hood or industrial cabinet placement. Compact integrated designs benefit from the 64-LQFP's 81 GPIO, of which typically 6-9 are consumed by PWM and ADC channels for a three-phase FOC stage.
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Audio Decoding and Consumer Audio Devices
With 100 MHz, single-precision FPU, and 128 KB SRAM, the STM32F411RCT7TR is well-suited to consumer audio decoding tasks such as MP3, AAC, and WMA playback at sample rates up to 48 kHz. The I2S peripheral connects directly to external DACs (e.g., PCM5102A) or codec ICs, while a software codec running on the Cortex-M4 can decode audio with roughly 30-40% CPU utilization, leaving the remainder for UI and DSP effects. The integrated USB OTG enables USB audio class (UAC) speakers and headphone DAC dongles. The 5 V-tolerant I/O on select pins simplifies interfacing to 5 V analog front ends in legacy audio gear.
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Industrial HMI Panels and Display Controllers
The STM32F411RCT7TR's combination of 100 MHz performance, 128 KB SRAM, and rich connectivity (SPI for displays, I2C for touch, USB for commissioning) suits small-format HMI panels up to 320x240 QVGA. The SPI peripheral can drive TFT or OLED displays at 30+ fps when paired with a small frame buffer in SRAM, while the FPU accelerates graphics primitives like anti-aliased text and gauge drawing. The 105 °C grade (T7) allows placement near heat-generating drivers. Optional 8/16-bit FSMC/8080 interfaces are NOT available on the LQFP-64 package, so designers using parallel LCDs should consider the LQFP-100 STM32F411RE.
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IoT Edge Sensor Hubs
The STM32F411RCT7TR functions well as an edge sensor hub aggregating data from I2C sensors, SPI peripherals, and analog inputs over its 12-bit ADC. Its 100 MHz performance and 128 KB SRAM can host a lightweight RTOS (FreeRTOS, AzureRTOS) while running sensor-fusion algorithms like complementary or Madgwick filters for IMU data. The USB OTG port allows the hub to appear as a USB device on a host PC or as a USB host for storage logging. The 256 KB Flash is large enough to hold a TLS stack and small OTA bootloader, though the 128 KB SRAM becomes the limiting factor for the largest MQTT+TLS configurations.
추천
Fitness Wearables and Consumer Wearable Devices
The STM32F411RCT7TR's balance of 100 MHz performance, DSP extensions, and 105 °C temperature grade is well-matched to fitness wearables and consumer wrist-worn devices. The Cortex-M4 with DSP can run step-counting, motion classification, and heart-rate algorithms in real time, while the low-power Run and Sleep modes (with RTC retention) help meet multi-day battery-life targets. The compact 64-LQFP (10x10 mm) is suitable for wearable mainboards, and the USB OTG enables charging and data sync through a single micro-USB or USB-C port. The I2S peripheral can interface to digital MEMS microphones for voice-command or activity-recognition features.
추천
추천 제품 요약
엔지니어링 참조 데이터: STM32F411RCT7TR — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | STM32F411RCT7 | STM32F411RCT6TR | STM32F401RCT6 | STM32F030RCT6TR |
|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same |
| Core | ARM Cortex-M4F (FPU+DSP) | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M0 |
| Max Clock | 100 MHz | 100 MHz | 100 MHz | 84 MHz | 48 MHz |
| Flash | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 64 KB | 48 KB |
| Operating Temperature (max) | 105 °C | 105 °C | 85 °C | 85 °C | 85 °C |
| USB | USB 2.0 OTG FS | USB 2.0 OTG FS | USB 2.0 OTG FS | USB 2.0 OTG FS | USB 2.0 FS (no OTG) |
| Packaging | Tape & Reel | Tray | Tape & Reel | Tray | Tape & Reel |
주요 차별점
- 100 MHz Cortex-M4F with DSP at 256 KB Flash (vs STM32F030RCT6TR)
- 128 KB SRAM vs 64 KB on F401 (vs STM32F401RCT6)
- Tape & Reel packaging for high-volume SMT (vs STM32F411RCT7)
설계 노트
Decouple each VDD pin with a 100 nF X7R ceramic placed within 2-3 mm of the pin, and add a bulk 4.7 µF tantalum or polymer cap near the supply input. The F411's analog supply VDDA must be tied to VDD through a ferrite bead and decoupled with 10 nF + 1 µF to keep ADC readings clean. The VBAT pin (if used for RTC) requires a separate 1 nF + 1 µF pair and may be tied to a coin cell for RTC retention during VDD loss.
Route the 8 MHz HSE crystal traces as short as possible (under 5 mm) with symmetric loading caps placed on the same layer. The 32.768 kHz LSE crystal for RTC has even tighter noise requirements - keep its traces away from switching signals and surround them with a ground guard ring. The USB DP/DM traces must be 90 Ω differential, matched within 0.5 mm, and routed over a continuous ground plane for USB compliance.
Do not leave the BOOT0 pin floating - it must be pulled low for normal Flash boot. For applications needing firmware updates, route BOOT0 to a GPIO-driven test pad or a switch. The NRST pin should be pulled up with 10 kΩ and decoupled with 100 nF; do not connect it directly to a button without debouncing. Watch out for PA11/PA12 sharing with USB: if USB is not used, those pins revert to GPIO but require explicit disable in the RCC/APB1 clock gate.
At 100 MHz with all peripherals active, the F411 draws around 30-40 mA from VDD, dissipating roughly 100-150 mW at 3.3 V. The 64-LQFP's θJA of approximately 50 °C/W means a 5-8 °C rise above ambient, well within the 105 °C ceiling. For hot environments (industrial cabinet near drivers), copper pouring under the exposed pad region improves heat spreading; the 64-LQFP has no exposed thermal pad, so pour over the entire ground-return area on both sides of the PCB.
규정 준수 정보
RoHS and REACH compliant per STMicroelectronics product page. The STM32F411RCT7TR is not AEC-Q100 qualified; for automotive applications consider the AEC-Q100 qualified STM32F4 series variants. The part is lead-free (matte tin finish) and halogen-free per JEDEC JS709B.
