STM32F412REY6 - 100MHz Cortex-M4 MCU 512KB Flash | ST
料号： STM32F412REY6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.12 | $9.12 |
| 10 | $8.21 | $82.10 |
| 100 | $7.34 | $734.00 |
| 500 | $6.55 | $3,275.00 |
| 1,000 | $5.92 | $5,920.00 |
STM32F412REY6 概述
An ARM Cortex-M4 microcontroller is a 32-bit MCU core based on the ARMv7-M instruction set architecture, featuring a single-precision floating-point unit, hardware DSP instructions (MAC, single-cycle multiply), and a Nested Vectored Interrupt Controller. Cortex-M4 sits in the middle of the Cortex-M family between the cost-optimized M0/M0+ and the higher-performance M7, and the part numbering suffix (STM32) further specializes it into ST's broad 32-bit MCU portfolio targeting industrial, consumer, and IoT applications.
Key features of the STM32F412REY6 include USB OTG Full-speed with on-chip PHY, two CAN 2.0B interfaces, an SDMMC interface, three I2S ports for audio, four USART plus two UART, three SPI, two I2C, an FSMC flexible static memory controller, one 12-bit 2.4 MSPS ADC, two 12-bit DAC channels, seventeen timers, a true random number generator, and 114 GPIO. The integrated crypto/hash suite adds AES-256, TDES, SHA-1/SHA-2, and HMAC accelerators for secured firmware and data-at-rest.
Architecturally, the device pairs an ART Accelerator with a multi-layer AHB/APB bus matrix so that Flash execution at 100 MHz sustains zero-wait-state performance from the 512 KB on-chip Flash. The on-chip voltage regulator supports 1.7 V–3.6 V operation across industrial temperature range, and the chip consumes roughly 100 µA/MHz in run mode while dropping to a few µA in Stop/Standby, making it a strong fit for battery-powered edge nodes.
Typical applications include industrial motor control and field-bridge gateways, USB-C audio dongles and consumer headsets, secure IoT terminals, point-of-sale terminals, home appliances with capacitive touch, and wearable health sensors. The 64-ball WLCSP package enables compact wearable and space-constrained designs where traditional QFP/LQFP footprints cannot fit.
When designing with this MCU, allocate decoupling capacitors close to every VDD pin pair, follow ST AN2867 EMC guidelines for oscillator PCB layout, and select the LQFP64/WLCSP64 variant on the basis of mechanical robustness versus board area. For first-party firmware, the STM32CubeF4 HAL and the STM32CubeIDE toolchain are officially supported and validated against errata ES0287.
This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes beyond the manufacturer datasheet, including pin-compatible same-family WLCSP variants and Chinese cross-companion MPNs with documented pin-compatibility statements.
直接替换替代料： STM32F412REY6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
STM32F412RGY6
✅ 直接替换📋 参考替代料（不在目录中）
STM32F412REY6TR
✅ 直接替换📋 参考替代料（不在目录中）
STM32F412REY6 最大额定值与电气特性
| Core | ARM Cortex-M4 with FPU and DSP |
| 最大时钟频率 | 100 MHz |
| DMIPS | 125 DMIPS |
| Flash Memory | 512 KB |
| SRAM | 256 KB |
| 封装 | 64-ball WLCSP |
| 电源电压 | 1.7 V to 3.6 V |
| 工作温度 | -40C to +85C (industrial) |
| ADC | 1 x 12-bit, 2.4 MSPS |
| DAC | 2 x 12-bit |
| Timers | 17 (including 1 systick, multiple 16/32-bit) |
| Communication Interfaces | USB OTG FS, 2x CAN, SDMMC, 4x USART, 2x UART, 3x SPI, 2x I2C, 3x I2S |
| GPIO Count | 114 |
| Crypto/Hash | AES-256, TDES, SHA-1, SHA-2, HMAC, TRNG |
| RoHS 状态 | Compliant |
STM32F412REY6 64-ball wlcsp 引脚配置指南
STM32F412REY6（64-ball wlcsp 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： STM32F412REY6.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32F412REY6 适用于 7 应用s: USB-C Audio Dongle and Headset Controller, Industrial Field-Bus Gateway and Motor Drive, Secure IoT Edge Node and Sensor Hub, Point-of-Sale Terminal and Payment Dongle, Wearable Health Monitor and Fitness Tracker, Smart Home Appliance with Capacitive Touch UI, Battery-Powered Data Logger and Field Recorder.
USB-C Audio Dongle and Headset Controller
The STM32F412REY6's 100 MHz Cortex-M4 with DSP extensions and three I2S ports make it well suited to USB-C audio dongles and digital headsets. The integrated USB OTG Full-Speed with on-chip PHY eliminates the need for an external PHY, reducing BOM by roughly 0.5 to 1 USD while still supporting 24-bit 48 kHz audio paths. The 256 KB SRAM holds decoded PCM buffers plus DSP biquad coefficients, and the AES-256/SHA-2 hardware crypto secures firmware updates. Power draw of roughly 100 µA/MHz keeps idle headset consumption in the single-digit milliamp range.
推荐
Industrial Field-Bus Gateway and Motor Drive
Two on-chip CAN 2.0B controllers, USB OTG, and 17 timers make STM32F412REY6 a strong fit for industrial field-bus gateways and low-voltage motor drives. The Cortex-M4F core executes FOC motor-control loops with 100 MHz of headroom, and the 12-bit 2.4 MSPS ADC samples phase currents with sub-microsecond latency. Industrial-grade -40C to +85C operation matches IEC 60068 environmental profiles, and the AES-256 accelerator protects against unauthorized parameter tampering on connected motor nodes. The 114 GPIO drive plenty of enable lines and PWM outputs without external muxing.
推荐
Secure IoT Edge Node and Sensor Hub
The STM32F412REY6's hardware crypto accelerators (AES-256, SHA-2, HMAC, TDES) and True Random Number Generator enable TLS 1.2 / TLS 1.3 secure connectivity in IoT edge nodes without burdening the Cortex-M4F core. Its 512 KB Flash holds a full mbedTLS or wolfSSL stack plus an MQTT-SN or CoAP application layer, while 256 KB SRAM supports TLS record buffers for typical IoT message sizes. USB OTG simplifies provisioning and firmware recovery, and the SDMMC interface accommodates an SD card for local data logging with read-while-write flash safety.
推荐
Point-of-Sale Terminal and Payment Dongle
Point-of-sale (POS) terminals require deterministic USB-class performance, secure firmware storage, and a small bill of materials. The STM32F412REY6 satisfies all three: USB OTG FS handles HID/keyboard emulation, AES-256 accelerators encrypt PIN blocks at sub-microsecond latency, and 512 KB Flash stores the payment firmware with read-while-write dual-bank support for compliant in-service updates. The two 12-bit DACs drive analog audio prompts, and the SDMMC interface accommodates a small flash card for transaction logs in compliance with point-to-point encryption schemes.
推荐
Wearable Health Monitor and Fitness Tracker
The 64-ball WLCSP package of the STM32F412REY6 measures only a few millimeters per side, making it well-suited to wearable health monitors where PCB area is at a premium. The 100 µHz run-mode current profile delivers roughly 4 to 6 mA active current for typical health monitoring tasks, and the Stop mode current drops into the microamp range for sleep tracking. The 12-bit ADC reads photoplethysmography (PPG) signals, and the AES-256 accelerator secures transmitted health telemetry. The Cortex-M4F with DSP extensions runs heart-rate variability filters and step-counter algorithms in real time.
推荐
Smart Home Appliance with Capacitive Touch UI
Home appliances such as induction cooktops, smart ovens, and washing machines benefit from the STM32F412REY6's combination of a Cortex-M4F core with DSP, hardware crypto for secure connectivity, and ample timers for motor and PWM control. The 17 timers drive multiple BLDC or stepper motor channels simultaneously, and the 12-bit ADC reads temperature and current sensor feedback for closed-loop control. The integrated USB OTG enables firmware upgrade via USB stick in compliance with IEC 60730 class B safety requirements, and AES-256 secures cloud connectivity for smart-home hubs.
推荐
Battery-Powered Data Logger and Field Recorder
Battery-powered data loggers for environmental monitoring, asset tracking, and field recording demand ultra-low standby current plus a flexible memory subsystem. The STM32F412REY6's standby current is in the microamp range, while its 256 KB SRAM and 512 KB Flash buffer days of compressed sensor data, and the SDMMC interface adds removable storage. The two 12-bit DACs generate analog excitation signals for sensors, and the AES-256 accelerator secures the data-at-rest on the removable storage. Wake-up from Stop mode via RTC or GPIO enables unattended multi-month deployments on a single battery pack.
推荐
推荐产品汇总
工程参考数据： STM32F412REY6 ——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 | STM32F412RGY6 | STM32F412REY6TR | STM32F412RET6 |
|---|---|---|---|---|
| Package | 64-ball WLCSP | 64-ball WLCSP - same | 64-ball WLCSP - same | LQFP-64 - different footprint |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Maximum Clock | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 256 KB | 256 KB | 256 KB | 256 KB |
| Supply Voltage | 1.7 V to 3.6 V | 1.7 V to 3.6 V | 1.7 V to 3.6 V | 1.7 V to 3.6 V |
| USB OTG FS | Yes (on-chip PHY) | Yes (on-chip PHY) | Yes (on-chip PHY) | Yes (on-chip PHY) |
| CAN 2.0B | 2x | 2x | 2x | 2x |
| Hardware Crypto | AES-256/SHA-2/TRNG | AES-256/SHA-2/TRNG | AES-256/SHA-2/TRNG | AES-256/SHA-2/TRNG |
| GPIO Count | 114 | 114 | 114 | 114 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
关键差异点
- WLCSP package option for ultra-compact wearable designs （对比 STM32F412RET6 (LQFP-64))
- On-chip USB OTG Full-Speed PHY （对比 External PHY requirement on older STM32F1 series)
- Hardware AES-256 and SHA-2 accelerators （对比 Software crypto on Cortex-M0/M3 devices)
设计说明
Estimated: at 100 MHz and 3.3 V supply, the active current is roughly 100 µA/MHz, so total core draw approaches 30 mA. Decouple every VDD/VDDA pin pair with a 100 nF ceramic capacitor close to the pin, and add a 4.7 µF bulk capacitor near the VDD pins. Place the 1 µF VBAT backup capacitor with low-leakage ceramic to preserve RTC accuracy during mains loss.
For the 64-ball WLCSP, use a non-solder-mask-defined (NSMD) land pattern with 0.4 mm ball pitch, microvia-in-pad stack-up (typically 1+2+1 or 1+1+1 build-up), and reflow profile J-STD-020 compliant to MSL-1 conditioning. For the LQFP-64 variant, follow ST AN2867 EMC guidelines for the HSE/LSE oscillator routing with a guard ring and keep the crystal traces under 5 mm.
Do not enable the USB OTG pull-up resistor before configuring the clock tree, or the host will see illegal chirp patterns. Always set the OTG_FS_GCCFG register after the HSI48 is stable. Verify errata ES0287 for the latest silicon revision, and review RM0401 for the correct DMA stream-to-channel mapping before programming interrupt priorities.
Estimated: at full active load (Cortex-M4F at 100 MHz, USB OTG active, all peripherals enabled), the WLCSP junction temperature can rise roughly 15 to 25 °C above ambient on a 1 oz copper 4-layer board. For continuous industrial operation at +85 °C ambient, ensure the board copper pour around the WLCSP covers at least 100 mm² to land the chip and dissipate adequately.
USB OTG Full-Speed requires a 90 Ω differential pair with intra-pair skew below 150 ps and a common-mode choke (or ferrite) close to the connector. The SDMMC bus should route as a 50 Ω single-ended trace with length matching below 2 mm. Place series 22 Ω damping resistors near the SD card connector to suppress ringing and meet MMC 4.2 specification requirements.
合规信息
RoHS and REACH compliance confirmed via ST product page. Industrial -40C to +85C grade; AEC-Q100 automotive grade not qualified - evaluate STM32F412REY6-Q1 if automotive is needed.
