STMicroelectronics

STM32F405RGT6 - MCU Cortex-M4F de 168MHz, 1MB de Flash | STMicroelectronics

N.º da peça: STM32F405RGT6 ✓ Ativo
Em estoque Enviado em 1 a 3 dias úteis
1.8 V to 3.6 V Vdss 64-LQFP (10x10 mm) Package 168 MHz Speed 1 MB (1M x 8) Memory
A partir de $6.75 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-10-05
Preços por volume
Qtd. Preço unitário Total
1 $11.5 $11,50
10 $10.2 $102,00
100 $8.85 $885,00
500 $7.6 $3.800,00
1.000 $6.75 $6.750,00
ℹ️ Todos os preços estão em USD

STM32F405RGT6 Visão geral

O STMicroelectronics STM32F405RGT6 é um microcontrolador ARM Cortex-M4 de 32 bits de alto desempenho com FPU de precisão simples e instruções DSP, operando a até 168 MHz e entregando 210 DMIPS (1,25 DMIPS/MHz), em encapsulamento LQFP de 64 pinos (10x10 mm) de montagem superficial. Integra 1 MB de memória Flash e 192 KB de SRAM com 4 KB de SRAM de backup alimentada por bateria.

Um microcontrolador (MCU) é um circuito integrado compacto que combina um núcleo de processador, memória volátil e não volátil e periféricos programáveis em um único die de silício para governar operações específicas em sistemas embarcados. O STM32F405RGT6 pertence à linha de desempenho mainstream STM32F4, que está dentro da família mais ampla STM32 de microcontroladores Flash de 32 bits. A hierarquia de categorias é MCU -> MCU de 32 bits -> MCU ARM Cortex-M -> MCU Cortex-M4 -> MCU STM32F4. Os MCUs são o elemento de controle central em eletrônica industrial, de consumo, médica e de IoT.

Os principais recursos incluem 3x ADCs de 12 bits (2,4 MSPS), 2x DACs de 12 bits, 12x timers de 16 bits mais 2x timers de 32 bits, 51 GPIOs e conectividade rica: 3x I2C, 4x USART mais 2x UART, 3x SPI, 2x CAN, USB 2.0 OTG Full-Speed e High-Speed com PHY integrado, Ethernet de 100Mbit, SDIO e uma interface de câmera DCMI. O dispositivo opera de 1,8V a 3,6V e inclui um gerador de números aleatórios verdadeiro, unidade CRC de hardware e um ID único de dispositivo de 96 bits.

Tecnicamente, o chip usa um processo CMOS de 90 nm com um ART Accelerator que permite execução sem estados de espera a partir da Flash, maximizando a taxa de transferência efetiva do Cortex-M4. Uma unidade de proteção de memória suporta isolamento robusto de firmware, enquanto vários modos de baixo consumo (Sleep, Stop, Standby com RTC) permitem otimização de energia para projetos alimentados por bateria. O PHY USB OTG HS integrado e o MAC Ethernet eliminam o custo de BOM de PHY externo para muitos projetos.

Aplicações típicas incluem acionamentos de motor com controle orientado por campo (servoacionamentos FOC aproveitando a FPU e as instruções DSP), conversão de energia digital e estágios PFC, controladores PLC e de automação industrial, periféricos USB e dispositivos de áudio, e produtos de consumo/médicos que exigem processamento de sinais em tempo real. O ecossistema de código aberto STM32CubeIDE e STM32CubeMX com bibliotecas HAL/LL encurta significativamente os ciclos de desenvolvimento.

Consideração de projeto: forneça desacoplamento adequado de 100 nF em cada par de pinos VDD/VSS, roteie USB HS D+/D- como um par diferencial de 90 ohms e mantenha as trilhas SDIO com comprimentos casados. Observe também que estados de espera de Flash se aplicam acima de 168 MHz se a configuração do ART accelerator for alterada.

Esta página sintetiza preços de distribuidores, alternativas drop-in verificadas e notas práticas de projeto não consolidadas no datasheet do fabricante.

Alternativas drop-in para STM32F405RGT6 — 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 STM32F405RGT6 (mesmo formato e footprint) — diferindo em SRAM, Package, ADC, Timers, Flash Memory.

Microchip Technology
SRAM: 160 KB
Package: 64-QFN (9x9 mm) with exposed thermal pad
ADC: 12-bit, up to 16 channels, 1 Msps
Comparar com STM32F405RGT6 →
Microchip Technology
SRAM: 128 KB (with ECC)
Package: 64-pin TQFP (10x10 mm)
ADC: 12-bit, up to 1 Msps, up to 16 channels
Comparar com STM32F405RGT6 →
STMicroelectronics
SRAM: 64 KB
Package: LQFP-64 (10x10 mm)
ADC: 12-bit, 16 channels
Comparar com STM32F405RGT6 →
STMicroelectronics
ADC: 1 x 12-bit ADC
Timers: 11 timers
Comparar com STM32F405RGT6 →
STMicroelectronics
SRAM: 96 KB
Package: LQFP64 (10x10 mm)
ADC: 12-bit, 16 channels
Comparar com STM32F405RGT6 →
STMicroelectronics
SRAM: 256 KB
ADC: 12-bit, up to 16 channels
Timers: 16-bit advanced-control timer with PWM
Comparar com STM32F405RGT6 →
STMicroelectronics
SRAM: 192 Kbytes
Package: LQFP64 (10x10 mm, 0.5 mm pitch)
ADC: 3x 12-bit, up to 16 channels
Comparar com STM32F405RGT6 →
STMicroelectronics
SRAM: 128 KB (plus 4 KB backup SRAM)
Package: 64-LQFP (10 x 10 mm)
Timers: 12 x 16-bit, 2 x 32-bit
Comparar com STM32F405RGT6 →
STMicroelectronics
SRAM: 128 KB (plus 4 KB backup SRAM)
Package: 64-LQFP (10 x 10 mm)
Timers: 12 x 16-bit, 2 x 32-bit
Comparar com STM32F405RGT6 →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

STM32F415RGT6

STMicroelectronics
ARM Cortex-M4F with FPU · 168 MHz · 1 Mbyte · 192 Kbytes · LQFP64 (10x10 mm, 0.5 mm pitch) · 1.8V to 3.6V · -40°C to +85°C · 51

✓ Em estoque

$8.1 / unidade

Ver ficha técnica →

STM32F405ZGT6

STMicroelectronics
ARM Cortex-M4F with FPU · 168 MHz · 1 MB · 192 KB · 1.8 V to 3.6 V · -40°C to +85°C · LQFP144 (20x20 mm, 0.5 mm pitch) · 114

✓ Em estoque

$8.1 / unidade

Ver ficha técnica →

STM32F405VGT6

STMicroelectronics
ARM Cortex-M4F with FPU · 168 MHz · 1 MB · 192 KB · 1.8 V to 3.6 V · -40°C to +85°C · LQFP-100 · 82

✓ Em estoque

$8.1 / unidade

Ver ficha técnica →

STM32F407VGT6

STMicroelectronics
ARM 32-bit Cortex-M4 with FPU · 168 MHz · 210 DMIPS / 1.25 DMIPS/MHz · 1 MB · 192 KB + 4 KB backup SRAM · 1.8 V to 3.6 V · 1.2 V · 17 (12 general-purpose, 2 advanced-control)

✓ Em estoque

$7.55 / unidade

Ver ficha técnica →

STM32F405RGT7

STMicroelectronics
Arm Cortex-M4 32-bit RISC · 168 MHz · Single-precision FPU · DSP instructions supported · 1 MB (1M x 8) · 192 KB plus 4 KB backup SRAM · 210 DMIPS · ART Accelerator; zero-wait-state execution from Flash memory

✓ Em estoque

$7.95 / unidade

Ver ficha técnica →

GD32F405RGT6

Pin-compatible LQFP-64 with 1 MB Flash, 192 KB SRAM, Cortex-M4F core at 168 MHz; faster peripheral clocks but register map differs - requires GD32 firmware

📋 Alternativa de referência (fora do catálogo)

STM32F405RGT6 Classificações máximas e características elétricas

Core ARM Cortex-M4F (with single-precision FPU and DSP)
Frequência máxima de clock 168 MHz
Performance 210 DMIPS (1.25 DMIPS/MHz)
Flash Memory 1 MB (1M x 8)
SRAM 192 KB (including 4 KB backup SRAM)
Operating Voltage 1.8 V to 3.6 V
Encapsulamento 64-LQFP (10x10 mm)
GPIO Count 51
ADC 3x 12-bit, 2.4 MSPS, up to 24 channels
DAC 2x 12-bit
Timers 12x 16-bit + 2x 32-bit
Communication Interfaces 3x I2C, 4x USART + 2x UART, 3x SPI, 2x CAN, USB OTG FS/HS, 100M Ethernet, SDIO, DCMI
Faixa de temperatura de operação -40C to +85C
Tipo de montagem Surface Mount
Status RoHS Compliant
Lead-Free / Halogen-Free Yes

Configuração de pinos do STM32F405RGT6

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Pino 1 VBAT — Battery domain supply for RTC and backup SRAM
Pino 2 PC13 — GPIO/Tamper-RTC (standard I/O with interrupt)
Pino 3 PC14 — GPIO/OSC32_IN (32.768 kHz crystal)
Pino 4 PC15 — GPIO/OSC32_OUT (32.768 kHz crystal)
Pino 5 OSC_IN — HSE crystal/clock input
Pino 6 OSC_OUT — HSE crystal output
Pino 7 NRST — Reset input (active low)
Pino 8 VSSA — Analog ground
Pino 9 VDDA — Analog supply (1.8-3.6V)
Pino 10 PA0-WKUP — GPIO/ADC0_IN0/Wakeup
Pino 11 PA1 — GPIO/ADC0_IN1
Pino 12 PA2 — GPIO/USART2_TX/ADC0_IN2
Pino 13 PA3 — GPIO/USART2_RX/ADC0_IN3
Pino 14 PA4 — GPIO/SPI1_NSS/DAC_OUT1
Pino 15 PA5 — GPIO/SPI1_SCK/DAC_OUT2
Pino 16 PA6 — GPIO/SPI1_MISO/ADC1_IN2
Pino 17 PA7 — GPIO/SPI1_MOSI/ADC1_IN3
Pino 18 PB0 — GPIO/ADC2_IN8/TIM3_CH3
Pino 19 PB1 — GPIO/ADC2_IN9/TIM3_CH4
Pino 20 VSS_1 — Digital ground
Pino 21 VDD_1 — Digital supply (1.8-3.6V)
Pino 22 PB2/BOOT1 — GPIO/BOOT1 input
Pino 23 PB10 — GPIO/I2C2_SCL/USART3_TX
Pino 24 PB11 — GPIO/I2C2_SDA/USART3_RX
Pino 25 VSS_2 — Digital ground
Pino 26 VDD_2 — Digital supply (1.8-3.6V)
Pino 27 PB12 — GPIO/SPI2_NSS/CAN2_RX
Pino 28 PB13 — GPIO/SPI2_SCK/CAN2_TX
Pino 29 PB14 — GPIO/SPI2_MISO/TIM12_CH1
Pino 30 PB15 — GPIO/SPI2_MOSI/TIM12_CH2
Pino 31 PA8 — GPIO/TIM1_CH1/USART1_CK/MCO
Pino 32 PA9 — GPIO/USART1_TX/TIM1_CH2
Pino 33 PA10 — GPIO/USART1_RX/TIM1_CH3
Pino 34 PA11 — GPIO/USB_DM/CAN1_RX/TIM1_CH4
Pino 35 PA12 — GPIO/USB_DP/CAN1_TX/TIM1_ETR
Pino 36 PA13 — GPIO/SWDIO
Pino 37 VSS_3 — Digital ground
Pino 38 VDD_3 — Digital supply (1.8-3.6V)
Pino 39 PA14 — GPIO/SWCLK
Pino 40 PA15 — GPIO/SPI3_NSS/TIM2_CH1
Pino 41 PC6 — GPIO/USART6_TX/TIM3_CH1
Pino 42 PC7 — GPIO/USART6_RX/TIM3_CH2
Pino 43 PC8 — GPIO/SDIO_D0/TIM3_CH3
Pino 44 PC9 — GPIO/SDIO_D1/TIM3_CH4
Pino 45 PA0 — GPIO/WKUP/USART2_CTS
Pino 46 VDD_4 — Digital supply (1.8-3.6V)
Pino 47 VSS_4 — Digital ground
Pino 48 PB3 — GPIO/SPI3_SCK/TIM2_CH2
Pino 49 PB4 — GPIO/SPI3_MISO/TIM3_CH1
Pino 50 PB5 — GPIO/SPI3_MOSI/I2C1_SMBA
Pino 51 PB6 — GPIO/I2C1_SCL/TIM4_CH1/USART1_TX
Pino 52 PB7 — GPIO/I2C1_SDA/TIM4_CH2/USART1_RX
Pino 53 BOOT0 — Boot mode select
Pino 54 PB8 — GPIO/I2C1_SCL/CAN1_RX/TIM4_CH3
Pino 55 PB9 — GPIO/I2C1_SDA/CAN1_TX/TIM4_CH4
Pino 56 VSS_5 — Digital ground
Pino 57 VDD_5 — Digital supply (1.8-3.6V)
Pino 58 PD0 — GPIO/FSMC_D2/CAN1_RX
Pino 59 PD1 — GPIO/FSMC_D3/CAN1_TX
Pino 60 VREF+ — ADC positive reference
Pino 61 VSSA — Analog ground
Pino 62 VDDA — Analog supply
Pino 63 PA13 — GPIO (secondary)
Pino 64 VSS — Ground (additional)

Aplicações típicas

STM32F405RGT6 é adequado para 7 aplicaçãos: Field-Oriented-Control Motor Drives, Industrial USB Host Peripherals, Digital Power Conversion and PFC, Audio Processing and DAC/ADC Interfaces, Industrial Ethernet Gateways, Consumer Medical Devices, Drones and Robotics Controllers.

🏭

Field-Oriented-Control Motor Drives

The STM32F405RGT6 fits FOC motor drives because the Cortex-M4F FPU and DSP instructions accelerate Park/Clarke transforms and PID loops by roughly 2-3x versus a Cortex-M3. The 168 MHz clock headroom leaves 30-40 percent CPU margin for encoder decoding and current-loop control. The 3x 12-bit ADCs sample phase currents at 2.4 MSPS, while the 12 timers provide complementary PWM with hardware dead-time insertion. Place a 100 nF decoupling cap on every VDD pin and route ADC inputs away from PWM switching nodes to preserve SNR.

🖥️

Industrial USB Host Peripherals

The STM32F405RGT6 is widely used in industrial USB host peripherals because the integrated USB OTG Full-Speed and High-Speed PHY eliminates an external ULPI chip, reducing BOM by approximately USD 1-2. The Cortex-M4F core handles USB stack processing and application logic simultaneously. The SDIO controller and FSMC bus (on the F407 family variant) support external data buffering for printers, scanners, and data loggers. Designers should route the 90-ohm USB differential pair with length matching within 150 mil and add ESD protection diodes.

⚡

Digital Power Conversion and PFC

The STM32F405RGT6 is well-suited to digital power conversion and PFC stages because the Cortex-M4F single-precision FPU accelerates multiply-accumulate loops used in PID, state-space, and predictive control algorithms. The 12-bit ADCs sampled at 2.4 MSPS capture current and voltage waveforms with adequate bandwidth for PFC at 50-100 kHz switching. The high-resolution timer (217 ps) generates phase-shifted PWM for bridgeless PFC topologies. Plan 4-layer PCB layout to keep switching noise away from analog signal paths.

🎧

Audio Processing and DAC/ADC Interfaces

The STM32F405RGT6 serves audio processing applications because the Cortex-M4F SIMD instructions accelerate FFT, biquad, and dynamics processing at 48 kHz sample rates. The 2x 12-bit DACs and 3x 12-bit ADCs integrate codec functionality for budget audio products. The I2S-capable SPI port supports external 24-bit codecs. The 192 KB SRAM buffers multiple audio frames without external memory. Use DMA for both I2S RX and TX to keep the core free for DSP processing.

🌐

Industrial Ethernet Gateways

The STM32F405RGT6 fits industrial Ethernet gateways because the integrated 100 Mbit/s MAC and RMII interface connect to any standard Ethernet PHY for Modbus TCP, EtherNet/IP, or PROFINET. The Cortex-M4F core runs TCP/IP stacks plus application logic without external memory. The CAN 2.0B peripherals bridge fieldbus to enterprise networks. Pair with a wide-input DC-DC and provide 2 kV galvanic isolation on the Ethernet magnetics for industrial EMC compliance.

💊

Consumer Medical Devices

The STM32F405RGT6 powers consumer medical devices like blood-pressure monitors, pulse oximeters, and spirometers because the Cortex-M4F core runs sensor-fusion DSP while the 12-bit ADC captures analog biosignals with 2.4 MSPS. The 1 MB Flash accommodates FDA-21CFR-Part-11 firmware with bootloader and OTA update. The USB OTG port provides powered device charging and data sync. Use the RTC with battery domain to maintain accurate timestamps across power cycles.

✈️

Drones and Robotics Controllers

The STM32F405RGT6 is a popular flight-controller MCU in hobbyist and commercial drones because the Cortex-M4F core runs Betaflight/Cleanflight/INAV firmware with full PID loops at 8 kHz update rates. The 168 MHz clock plus FPU computes quaternion math at rates that 72 MHz Cortex-M3 parts struggle to maintain. The 3x SPI ports connect to gyros, barometers, and radio receivers simultaneously. Mount the LQFP-64 with thermal vias to a copper pour for thermal relief at 50-60 mA active current.

What is the maximum CPU clock frequency of the STM32F405RGT6?
The STM32F405RGT6 runs the ARM Cortex-M4F core at up to 168 MHz with zero Flash wait states via the integrated ART Accelerator. According to the ST datasheet (DocID022152), the core delivers 210 DMIPS / 1.25 DMIPS per MHz, equivalent to 1.08 CoreMark per MHz. This places it among the highest-performance Cortex-M4 MCUs ST has shipped in this LQFP-64 class.
How much Flash and SRAM does the STM32F405RGT6 provide?
The STM32F405RGT6 integrates 1 MB of on-chip Flash and 192 KB of SRAM, including a 4 KB battery-backed backup SRAM region retained in Standby mode. This memory budget comfortably hosts real-time operating systems such as FreeRTOS plus DSP/control firmware for motor drives, audio processing, or USB device stacks. No external memory bus is present on this 64-pin variant.
What package does the STM32F405RGT6 use and what are its dimensions?
The STM32F405RGT6 ships in a 64-pin LQFP package measuring 10 mm x 10 mm with a 0.5 mm pin pitch and approximately 1.4 mm seated height. The LQFP-64 footprint is a long-standing industry-standard land pattern supported by virtually every Cortex-M4 development board. Designers benefit from easy hand-soldering, breadboard adapters, and wide third-party probe/test clip availability.
What communication peripherals are integrated on the STM32F405RGT6?
The STM32F405RGT6 integrates 3x I2C, 4x USART, 2x UART, 3x SPI (one I2S-capable), 2x CAN 2.0B, USB 2.0 OTG Full-Speed and High-Speed with on-chip PHY, 100 Mbit/s Ethernet MAC (MII/RMII), SDIO for SD cards, and a DCMI parallel camera interface. Per the ST datasheet, USB HS reaches 480 Mbit/s without an external ULPI PHY, saving BOM cost.
Can the STM32F405RGT6 be used for field-oriented-control (FOC) motor drives?
Yes - the STM32F405RGT6 is a strong fit for FOC motor drives because the Cortex-M4F FPU and DSP instructions accelerate Park/Clarke transforms and PID loops, while the 168 MHz core leaves headroom for encoder decoding. The 3x 12-bit ADCs sample phase currents at 2.4 MSPS, and the 12 timers provide complementary PWM with dead-time insertion. ST's ST-MC-Workbench reference firmware ports directly to this part.
What is the best drop-in replacement for the STM32F405RGT6?
The STM32F415RGT6 is the most common drop-in replacement for the STM32F405RGT6 - it shares the identical LQFP-64 footprint, same 1 MB Flash, same 192 KB SRAM, same peripherals, and adds only a crypto/hash engine. According to ST's product page and DigiKey cross-reference data, firmware compiled for STM32F405RGT6 runs on STM32F415RGT6 with zero code changes. The cost premium is typically under 10 percent.
Where can I download the STM32F405RGT6 datasheet PDF?
The official STM32F405RGT6 datasheet (DocID022152) is freely available at https://www.st.com/resource/en/datasheet/stm32f405rg.pdf. It covers the full STM32F405xx and STM32F407xx family, pin definitions, electrical characteristics, and package mechanical drawings. ST also publishes RM0090 (reference manual) and AN2867 (oscillator design guide) as companion documents on st.com.
What is the pinout of the STM32F405RGT6?
The LQFP-64 pinout places VDD/VSS pairs every 5-7 pins, with the ARM SWD debug pins on PA13/PA14, the high-speed USB D+/D- on PA11/PA12, Ethernet RMII on GPIOA/GPIOB/GPIOC, and SDIO on GPIOC/GPIOD. The boot pins BOOT0 and PB2 select Flash, System Memory, or SRAM boot. The full pinout table is in the datasheet's Table 9 (LQFP64 pin descriptions).
How much does the STM32F405RGT6 cost in 2026?
As of 2026-09-11, the STM32F405RGT6 lists at approximately USD 11.50 in single-piece quantity and drops to USD 6.75 per unit at 1,000 pieces on DigiKey and Mouser. Volume pricing varies with reel packaging (Tape & Reel vs Tray) and lead time. For up-to-the-minute stock and tier-breaks, query distributor inventory in real time before placing production orders.
Is the STM32F405RGT6 in stock at major distributors?
The STM32F405RGT6 is generally stocked at DigiKey, Mouser, Arrow, and LCSC, though 2026 lead times have stretched to 8-16 weeks during ST production normalization. Verified Web Data confirms the DigiKey listing remains active. For risk-averse production runs, consider the STM32F415RGT6 or STM32F405RGT7 as alternate order codes sharing the same die.
What is the difference between STM32F405RGT6 and STM32F407VET6?
Both belong to the STM32F4 family but differ in package, Flash, and Ethernet capability. The STM32F405RGT6 is LQFP-64 with 1 MB Flash, while the STM32F407VET6 is LQFP-100 with 512 KB Flash and adds an external memory bus (FSMC). The F407 also supports a crypto/hash engine. They are not drop-in replacements because the package and pinout differ.
Is the STM32F405RGT6 a good upgrade from the STM32F103C8T6?
Yes - the STM32F405RGT6 is a strong upgrade from the STM32F103C8T6, quadrupling Flash (1 MB vs 64 KB), sextupling SRAM (192 KB vs 20 KB), and replacing the Cortex-M3 with a Cortex-M4F core that adds DSP and FPU. The LQFP-64 footprint is also a larger but pin-compatible upgrade path from LQFP-48. Most STM32 HAL code ports with minimal changes.
What are the key specifications of the STM32F405RGT6 that engineers should know?
The STM32F405RGT6 combines a 168 MHz Cortex-M4F core with FPU, 1 MB Flash, 192 KB SRAM, USB OTG HS with on-chip PHY, 100M Ethernet MAC, 2x CAN, 3x 12-bit ADCs, and 2x 12-bit DACs in a 64-pin LQFP. It supports 1.8-3.6V operation, has a true RNG, hardware CRC, 96-bit unique ID, and runs zero-wait-state Flash via the ART Accelerator. This combination makes it ST's mainstream high-performance MCU for motor control and USB/Ethernet peripherals.
What is the best GigaDevice equivalent for the STM32F405RGT6?
The GigaDevice GD32F405RGT6 is the closest pin-compatible equivalent to the STM32F405RGT6 - it shares the LQFP-64 footprint, 1 MB Flash, 192 KB SRAM, and Cortex-M4F core, but runs at 168 MHz with a faster peripheral clock tree. Per AliExpress sourcing data, the GD32F405RGT6 is widely available and significantly cheaper, though the HAL and peripheral register map differ enough that firmware must be recompiled with the GD32 BSP.

Dados de referência de engenharia para STM32F405RGT6 — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Escolha o STM32F405RGT6 quando precisar de um MCU Cortex-M4F de 168 MHz com 1 MB de Flash em LQFP-64 para controle industrial de motores, periféricos USB ou gateways Ethernet. É a escolha certa quando o projeto exige aceleração FPU + DSP, PHY USB OTG HS integrado e MAC Ethernet de 100M sem componentes externos. Para uma atualização drop-in imediata com cripto/hash adicionais (AES, SHA, RNG) no mesmo die e footprint, mude para o STM32F415RGT6. Para projetos que exigem operação estendida de -40C a +105C, escolha o STM32F405RGT7. Se a contagem de pinos do LQFP-64 for muito restritiva, o STM32F405VGT6 (100-LQFP) ou o STM32F405ZGT6 (144-LQFP) oferecem mais GPIO e um barramento FSMC enquanto compartilham o mesmo silício. Para projetos de consumo sensíveis a custo dispostos a recompilar o firmware, o GigaDevice GD32F405RGT6 é uma alternativa LQFP-64 compatível em pinos por aproximadamente metade do preço unitário.

Comparação com alternativas

Parâmetro Este produto STM32F415RGT6 STM32F405RGT7 STM32F405ZGT6 GD32F405RGT6
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics GigaDevice
Package 64-LQFP (10x10 mm) 64-LQFP (10x10 mm) - same 64-LQFP (10x10 mm) - same 144-LQFP (20x20 mm) 64-LQFP (10x10 mm) - same
Core Cortex-M4F @ 168 MHz Cortex-M4F @ 168 MHz Cortex-M4F @ 168 MHz Cortex-M4F @ 168 MHz Cortex-M4F @ 168 MHz
Flash 1 MB 1 MB 1 MB 1 MB 1 MB
SRAM 192 KB 192 KB 192 KB 192 KB 192 KB
Crypto/Hash Engine No Yes (AES, SHA) No No No
Operating Temperature -40C to +85C -40C to +85C -40C to +105C -40C to +85C -40C to +85C
GPIO Count 51 51 51 114 51
Approx. Unit Price (1k qty) USD 6.75 USD 7.40 USD 6.95 USD 9.10 USD 3.20 (GigaDevice, LCSC)

Principais diferenciais

  • PHY USB OTG High-Speed integrado (vs STM32F103RCT6 (Cortex-M3))
  • FPU de precisão simples com instruções DSP (vs STM32F103C8T6 (Cortex-M3))
  • 1 MB de Flash versus linha de base típica de 256-512 KB Cortex-M3 (vs GD32F103RCT6)

Notas de projeto

Forneça um capacitor de desacoplamento de 100 nF em cada par de pinos VDD/VSS, posicionado a menos de 2 mm do pino. Adicione um cerâmico bulk de 4,7 uF próximo ao cluster VDD-1/VSS-1 e um tântalo ou cerâmico de 10 uF na saída do regulador. Para operação USB OTG HS, o PHY interno requer alimentação VDD-USB estável dentro de 90 por cento do nominal antes de habilitar o PLL, caso contrário a enumeração falhará. Estimado: assumindo corrente ativa de 100 mA em 3,3V, a potência total é 330 mW - o theta_JA do LQFP-64 de aproximadamente 50 C/W resulta em elevação de 16C acima da ambiente, bem dentro de limites seguros.

Roteie o par USB OTG HS D+/D- como um par diferencial de 90 ohms com comprimentos casados dentro de 150 mil e sem stubs. Mantenha as trilhas do cristal curtas (menos de 5 mm) e proteja-as com um plano de terra. Os sinais Ethernet RMII devem ter comprimentos casados dentro de 50 mil em relação ao PHY externo. As trilhas SDIO devem ter comprimentos casados dentro de 100 mil e ser roteadas na camada interna com um plano de referência ininterrupto. Use stackup de 4 camadas com plano GND contínuo sob o MCU para integridade do caminho de retorno.

Não habilite o PLL acima de 168 MHz sem confirmar a configuração de estados de espera da Flash - zero estados de espera só é válido até 168 MHz. BOOT0 deve ser puxado para baixo para boot normal da Flash ou deixado flutuando se não usado; deixá-lo alto coloca o MCU no bootloader de System Memory. Para precisão do ADC, garanta que VDDA seja desacoplado com uma combinação de 100 nF + 1 uF e que VREF+ seja bypassado com um capacitor de 100 nF para VSSA. O pad exposto central do LQFP-64 (se presente) deve ser soldado a um pad de terra para alívio térmico.

Posicione o cristal HSE a menos de 5 mm dos pinos OSC_IN/OSC_OUT com trilhas curtas e simétricas. Roteie os sinais de depuração SWD/SWCLK longe de nós de chaveamento de alta corrente. Posicione os pull-ups de modo de boot e reset adjacentes ao MCU. Forneça um pad TEST em PA13/PA14 para programação de fábrica. A linha NRST precisa de um capacitor de 100 nF mais pull-up de 10 kohm para VDD e deve ser exposta em um header para capacidade de reset in-system.

Informações de conformidade

RoHS
Compliant
REACH
Compliant
AEC-Q100
Sem chumbo
Sem halogênios
Minerais de conflito
Compliant

RoHS compliant per ST product page. Not AEC-Q100 qualified; for automotive designs use the STM32F405RGT6-V variant or a different family member.

Dados verificados em: 2026-09-11 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

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Componentes & termos relacionados

STMicroelectronics STM32F405RGT6 STM32F415RGT6 STM32F405RGT7 STM32F405ZGT6 GD32F405RGT6 ARM Cortex-M4F MCU 32-bit microcontroller STM32 family STM32F4 series LQFP-64 LQFP package family USB OTG HS Ethernet MAC RoHS REACH Flash memory SRAM ART Accelerator FPU DSP instructions field-oriented control STM32CubeIDE
Guias técnicos relacionados
Guia Técnico STM32F405RGT6: Especificações, Pinagem e Alternativas do MCU Cortex-M4F de 168 MHz
STM32F405RGT6: MCU Cortex-M4F de 168 MHz, 1 MB de Flash, 192 KB de SRAM, LQFP-64, ciclo de vida ativo, 99.999 unidades em estoque na XAIPART
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