STMicroelectronics

STM32F429IIT6 - 180MHz ARM Cortex-M4 MCU with 2MB Flash | STMicroelectronics

Артикул: STM32F429IIT6 ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
1.8 V to 3.6 V Vdss LQFP176 Package 180 MHz Speed 2 MB Memory
От $8.3523 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-08-13
Оптовые цены
Кол-во Цена за ед. Итого
1 $14.3182 $14,32
10 $10.3409 $103,41
100 $9.1477 $914,77
500 $8.75 $4.375,00
1.000 $8.3523 $8.352,30
ℹ️ Все цены указаны в USD

STM32F429IIT6 Обзор

The STM32F429IIT6 is a high-performance 32-bit microcontroller from STMicroelectronics, featuring an ARM Cortex-M4 core with floating-point unit (FPU) running at up to 180 MHz. It integrates 2 MB of Flash memory and 256 KB of SRAM, making it suitable for complex applications requiring substantial code and data storage. The device is housed in a 176-pin LQFP package (LQFP176) and operates over a supply voltage range of 1.8V to 3.6V.

A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32F429IIT6 belongs to the STM32F4 series, which is part of the broader STM32 family of 32-bit Flash microcontrollers based on the ARM Cortex-M processor. These MCUs are widely used in industrial control, consumer electronics, and Internet of Things (IoT) devices due to their balance of performance, power efficiency, and peripheral integration.

Key features of the STM32F429IIT6 include a rich set of peripherals: multiple 12-bit ADCs, DACs, timers, USARTs, SPIs, I2Cs, USB OTG, CAN, and an LCD-TFT controller. It also supports external memory interfaces (FSMC) for expanding memory beyond the on-chip resources. The device includes a cryptographic acceleration cell and a true random number generator, enhancing security for applications requiring data protection. With a comprehensive set of development tools and middleware from STMicroelectronics, the STM32F429IIT6 accelerates time-to-market for embedded designs.

Technically, the STM32F429IIT6 leverages the ARM Cortex-M4 core with DSP instructions and a single-precision FPU, enabling efficient execution of complex algorithms such as digital signal processing and motor control. The memory architecture includes an 8-KB instruction cache and a 4-KB data cache to optimize performance when accessing external memory. The device supports a wide range of clock sources, including internal RC oscillators, external crystals, and PLLs, allowing designers to balance performance and power consumption.

Typical applications include industrial automation, motor drives, medical devices, audio processing, and human-machine interfaces (HMI) with graphical displays. The integrated LCD-TFT controller simplifies the design of color displays, while the advanced timer peripherals provide precise PWM generation for motor control. The device's low-power modes, including Sleep, Stop, and Standby, enable battery-powered applications to extend operational life.

When designing with the STM32F429IIT6, ensure proper decoupling of the power supply pins with 100 nF capacitors placed close to each VDD pin. The VDDA analog supply should be filtered with a ferrite bead and a 1 uF capacitor to reduce noise for ADC accuracy. Additionally, the BOOT0 pin configuration must be set correctly to select the boot source, and the NRST pin should have an external pull-up resistor and a capacitor for reliable reset operation.

Аналоги без доработки для STM32F429IIT6 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с STM32F429IIT6 (тот же форм-фактор и посадочное место) — отличается по Package, Timers, Communication Interfaces, Operating Temperature Range, ADC.

STMicroelectronics
Package: UFBGA-176 (10x10 mm)
Communication Interfaces: USART, SPI, I2C, USB OTG, CAN, SDIO, Ethernet MAC
Operating Temperature Range: -40°C to +85°C
Сравнить с STM32F429IIT6 →
STMicroelectronics
Package: 176-pin LQFP (24 x 24 mm, 0.5 mm pitch)
Timers: Up to 17 (including motor-control timers)
Operating Temperature Range: -40C to +85C (industrial grade)
Сравнить с STM32F429IIT6 →
STMicroelectronics
Package: 208-pin LQFP (LQFP208)
Timers: 12x 16-bit + 2x 32-bit
Communication Interfaces: SPI, I2C, USART, UART, CAN, USB OTG, Ethernet
Сравнить с STM32F429IIT6 →
STMicroelectronics
Package: 176-LQFP, 24 mm x 24 mm
Timers: 17 timers
Communication Interfaces: 20 communication interfaces
Сравнить с STM32F429IIT6 →
STMicroelectronics
Package: 216-TFBGA (13x13 mm), 0.8 mm pitch
Timers: 17 (including 12-bit timers, PWM, low-power timers)
Сравнить с STM32F429IIT6 →
STMicroelectronics
Package: LQFP-144 (20 x 20 mm)
Timers: 12x 16-bit + 2x 32-bit (17 timers total)
Communication Interfaces: USB OTG HS/FS, 10/100 Ethernet, USART/UART, SPI, I2C, CAN, I2S, SAI, UART
Сравнить с STM32F429IIT6 →
STMicroelectronics
Package: LQFP-176 (24x24 mm)
Timers: Advanced-control, general-purpose and basic timers
Communication Interfaces: Ethernet MAC, USB OTG HS/FS, CAN, USART, SPI, I2C
Сравнить с STM32F429IIT6 →
STMicroelectronics
Package: 176-pin LQFP (24x24 mm, 0.5 mm pitch)
Timers: 12x 16-bit, 2x 32-bit
Communication Interfaces: USB OTG FS+HS, 10/100 Ethernet MAC, 3x CAN 2.0B, 6x USART/UART, 6x SPI, 3x I2C, 2x SDMMC, 1x CAN, 1x SPDIF-RX
Сравнить с STM32F429IIT6 →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

STM32F429NIH6

STMicroelectronics
ARM 32-bit Cortex-M4 with FPU and DSP instructions · 180 MHz · 225 DMIPS (1.25 DMIPS/MHz, Dhrystone 2.1) · 2 MB dual-bank · 256 KB · 216-TFBGA (13x13 mm), 0.8 mm pitch · 1.8 V to 3.6 V (typ. 2.5 V / 3.3 V) · -40C to +85C (industrial grade)

✓ В наличии

$8.63 / шт.

Открыть даташит →

STM32F407IIT6

Lower max clock (168 MHz), 1 MB Flash, no LCD-TFT controller, no crypto cell

📋 Справочный аналог (нет в каталоге)

STM32F427IIT6

STMicroelectronics
ARM Cortex-M4 with FPU and DSP instructions · 180 MHz · 225 DMIPS (1.25 DMIPS/MHz, Dhrystone 2.1) · 2 MB · 256 KB (plus 4 KB backup SRAM) · 1.8 V to 3.6 V · 176-pin LQFP (24 x 24 mm, 0.5 mm pitch) · -40C to +85C (industrial grade)

✓ В наличии

$11.2 / шт.

Открыть даташит →

STM32F429IGT6

STMicroelectronics
32-bit ARM Cortex-M4 microcontroller · 180 MHz · Arm 32-bit Cortex-M4 RISC core · Single-precision floating-point unit · Supported by Cortex-M4 core · MPU supported · 1 MB · 1 M x 8

✓ В наличии

Уточнить цену

Открыть даташит →

STM32F429IIT6 Максимальные параметры и электрические характеристики

Core ARM Cortex-M4 with FPU
Максимальная тактовая частота 180 MHz
Flash Memory 2 MB
SRAM 256 KB
Supply Voltage Range 1.8 V to 3.6 V
Корпус LQFP176
Количество выводов 176
Диапазон рабочих температур -40C to +85C
ADC Resolution 12-bit
Number of ADC Channels 24
DAC Resolution 12-bit
Number of Timers 14
Number of USARTs 8
Number of SPIs 6
Number of I2Cs 4
USB OTG 2 (FS and HS)
CAN 2
LCD-TFT Controller Yes
External Memory Interface FSMC
Cryptographic Acceleration Yes
Статус RoHS Compliant

Конфигурация выводов STM32F429IIT6

QFP-176 Package Pinout Diagram QFP-176 24x24mm, P0.5mm, JEDEC. 1 44 QFP-176
Контакт 1 PE2 — GPIO / FSMC_A23
Контакт 2 PE3 — GPIO / FSMC_A19
Контакт 3 PE4 — GPIO / FSMC_A20
Контакт 4 PE5 — GPIO / FSMC_A21
Контакт 5 PE6 — GPIO / FSMC_A22
Контакт 6 VBAT — Battery backup supply
Контакт 7 PC13 — GPIO / RTC_AF1
Контакт 8 PC14 — GPIO / OSC32_IN
Контакт 9 PC15 — GPIO / OSC32_OUT
Контакт 10 PF0 — GPIO / FSMC_A0
Контакт 11 PF1 — GPIO / FSMC_A1
Контакт 12 PF2 — GPIO / FSMC_A2
Контакт 13 PF3 — GPIO / FSMC_A3
Контакт 14 PF4 — GPIO / FSMC_A4
Контакт 15 PF5 — GPIO / FSMC_A5
Контакт 16 VSS — Ground
Контакт 17 VDD — Power supply
Контакт 18 PF6 — GPIO / FSMC_NREG
Контакт 19 PF7 — GPIO / FSMC_NREG
Контакт 20 PF8 — GPIO / FSMC_NREG
Контакт 21 PF9 — GPIO / FSMC_NREG
Контакт 22 PF10 — GPIO / FSMC_NREG
Контакт 23 PF11 — GPIO / FSMC_NREG
Контакт 24 PF12 — GPIO / FSMC_NREG
Контакт 25 PF13 — GPIO / FSMC_NREG
Контакт 26 PF14 — GPIO / FSMC_NREG
Контакт 27 PF15 — GPIO / FSMC_NREG
Контакт 28 VSS — Ground
Контакт 29 VDD — Power supply
Контакт 30 PG0 — GPIO / FSMC_A10
Контакт 31 PG1 — GPIO / FSMC_A11
Контакт 32 PG2 — GPIO / FSMC_A12
Контакт 33 PG3 — GPIO / FSMC_A13
Контакт 34 PG4 — GPIO / FSMC_A14
Контакт 35 PG5 — GPIO / FSMC_A15
Контакт 36 PG6 — GPIO / FSMC_NE1
Контакт 37 PG7 — GPIO / FSMC_NE2
Контакт 38 PG8 — GPIO / FSMC_NE3
Контакт 39 PG9 — GPIO / FSMC_NE4
Контакт 40 PG10 — GPIO / FSMC_NE5
Контакт 41 PG11 — GPIO / FSMC_NE6
Контакт 42 PG12 — GPIO / FSMC_NE7
Контакт 43 PG13 — GPIO / FSMC_NE8
Контакт 44 PG14 — GPIO / FSMC_NE9
Контакт 45 PG15 — GPIO / FSMC_NE10
Контакт 46 VSS — Ground
Контакт 47 VDD — Power supply
Контакт 48 PH0 — GPIO / OSC_IN
Контакт 49 PH1 — GPIO / OSC_OUT
Контакт 50 PH2 — GPIO / FSMC_SDCKE0
Контакт 51 PH3 — GPIO / FSMC_SDNE0
Контакт 52 PH4 — GPIO / FSMC_SDNE1
Контакт 53 PH5 — GPIO / FSMC_SDNE2
Контакт 54 PH6 — GPIO / FSMC_SDNE3
Контакт 55 PH7 — GPIO / FSMC_SDNE4
Контакт 56 PH8 — GPIO / FSMC_SDNE5
Контакт 57 PH9 — GPIO / FSMC_SDNE6
Контакт 58 PH10 — GPIO / FSMC_SDNE7
Контакт 59 PH11 — GPIO / FSMC_SDNE8
Контакт 60 PH12 — GPIO / FSMC_SDNE9
Контакт 61 PH13 — GPIO / FSMC_SDNE10
Контакт 62 PH14 — GPIO / FSMC_SDNE11
Контакт 63 PH15 — GPIO / FSMC_SDNE12
Контакт 64 VSS — Ground
Контакт 65 VDD — Power supply
Контакт 66 PI0 — GPIO / FSMC_D0
Контакт 67 PI1 — GPIO / FSMC_D1
Контакт 68 PI2 — GPIO / FSMC_D2
Контакт 69 PI3 — GPIO / FSMC_D3
Контакт 70 PI4 — GPIO / FSMC_D4
Контакт 71 PI5 — GPIO / FSMC_D5
Контакт 72 PI6 — GPIO / FSMC_D6
Контакт 73 PI7 — GPIO / FSMC_D7
Контакт 74 PI8 — GPIO / FSMC_D8
Контакт 75 PI9 — GPIO / FSMC_D9
Контакт 76 PI10 — GPIO / FSMC_D10
Контакт 77 PI11 — GPIO / FSMC_D11
Контакт 78 PI12 — GPIO / FSMC_D12
Контакт 79 PI13 — GPIO / FSMC_D13
Контакт 80 PI14 — GPIO / FSMC_D14
Контакт 81 PI15 — GPIO / FSMC_D15
Контакт 82 VSS — Ground
Контакт 83 VDD — Power supply
Контакт 84 PA0 — GPIO / ADC_IN0 / TIM2_CH1
Контакт 85 PA1 — GPIO / ADC_IN1 / TIM2_CH2
Контакт 86 PA2 — GPIO / ADC_IN2 / TIM2_CH3
Контакт 87 PA3 — GPIO / ADC_IN3 / TIM2_CH4
Контакт 88 PA4 — GPIO / ADC_IN4 / SPI1_NSS
Контакт 89 PA5 — GPIO / ADC_IN5 / SPI1_SCK
Контакт 90 PA6 — GPIO / ADC_IN6 / SPI1_MISO
Контакт 91 PA7 — GPIO / ADC_IN7 / SPI1_MOSI
Контакт 92 PA8 — GPIO / TIM1_CH1
Контакт 93 PA9 — GPIO / USART1_TX
Контакт 94 PA10 — GPIO / USART1_RX
Контакт 95 PA11 — GPIO / USB_OTG_FS_DM
Контакт 96 PA12 — GPIO / USB_OTG_FS_DP
Контакт 97 PA13 — GPIO / SWDIO
Контакт 98 PA14 — GPIO / SWCLK
Контакт 99 PA15 — GPIO / JTDI
Контакт 100 VSS — Ground
Контакт 101 VDD — Power supply
Контакт 102 PB0 — GPIO / ADC_IN8 / TIM3_CH3
Контакт 103 PB1 — GPIO / ADC_IN9 / TIM3_CH4
Контакт 104 PB2 — GPIO / BOOT1
Контакт 105 PB3 — GPIO / JTDO
Контакт 106 PB4 — GPIO / NJTRST
Контакт 107 PB5 — GPIO / I2C1_SMBA
Контакт 108 PB6 — GPIO / I2C1_SCL
Контакт 109 PB7 — GPIO / I2C1_SDA
Контакт 110 PB8 — GPIO / I2C1_SCL
Контакт 111 PB9 — GPIO / I2C1_SDA
Контакт 112 PB10 — GPIO / I2C2_SCL
Контакт 113 PB11 — GPIO / I2C2_SDA
Контакт 114 PB12 — GPIO / SPI2_NSS
Контакт 115 PB13 — GPIO / SPI2_SCK
Контакт 116 PB14 — GPIO / SPI2_MISO
Контакт 117 PB15 — GPIO / SPI2_MOSI
Контакт 118 VSS — Ground
Контакт 119 VDD — Power supply
Контакт 120 PC0 — GPIO / ADC_IN10
Контакт 121 PC1 — GPIO / ADC_IN11
Контакт 122 PC2 — GPIO / ADC_IN12
Контакт 123 PC3 — GPIO / ADC_IN13
Контакт 124 PC4 — GPIO / ADC_IN14
Контакт 125 PC5 — GPIO / ADC_IN15
Контакт 126 PC6 — GPIO / TIM3_CH1
Контакт 127 PC7 — GPIO / TIM3_CH2
Контакт 128 PC8 — GPIO / TIM3_CH3
Контакт 129 PC9 — GPIO / TIM3_CH4
Контакт 130 PC10 — GPIO / USART3_TX
Контакт 131 PC11 — GPIO / USART3_RX
Контакт 132 PC12 — GPIO / USART3_CK
Контакт 133 PC13 — GPIO / RTC_AF1
Контакт 134 PC14 — GPIO / OSC32_IN
Контакт 135 PC15 — GPIO / OSC32_OUT
Контакт 136 VSS — Ground
Контакт 137 VDD — Power supply
Контакт 138 PD0 — GPIO / FSMC_D2
Контакт 139 PD1 — GPIO / FSMC_D3
Контакт 140 PD2 — GPIO / FSMC_D4
Контакт 141 PD3 — GPIO / FSMC_D5
Контакт 142 PD4 — GPIO / FSMC_D6
Контакт 143 PD5 — GPIO / FSMC_D7
Контакт 144 PD6 — GPIO / FSMC_D8
Контакт 145 PD7 — GPIO / FSMC_D9
Контакт 146 PD8 — GPIO / FSMC_D10
Контакт 147 PD9 — GPIO / FSMC_D11
Контакт 148 PD10 — GPIO / FSMC_D12
Контакт 149 PD11 — GPIO / FSMC_D13
Контакт 150 PD12 — GPIO / FSMC_D14
Контакт 151 PD13 — GPIO / FSMC_D15
Контакт 152 PD14 — GPIO / FSMC_D0
Контакт 153 PD15 — GPIO / FSMC_D1
Контакт 154 VSS — Ground
Контакт 155 VDD — Power supply
Контакт 156 PE0 — GPIO / TIM4_ETR
Контакт 157 PE1 — GPIO / TIM4_CH1
Контакт 158 PE2 — GPIO / FSMC_A23
Контакт 159 PE3 — GPIO / FSMC_A19
Контакт 160 PE4 — GPIO / FSMC_A20
Контакт 161 PE5 — GPIO / FSMC_A21
Контакт 162 PE6 — GPIO / FSMC_A22
Контакт 163 PE7 — GPIO / TIM1_ETR
Контакт 164 PE8 — GPIO / TIM1_CH1N
Контакт 165 PE9 — GPIO / TIM1_CH1
Контакт 166 PE10 — GPIO / TIM1_CH2N
Контакт 167 PE11 — GPIO / TIM1_CH2
Контакт 168 PE12 — GPIO / TIM1_CH3N
Контакт 169 PE13 — GPIO / TIM1_CH3
Контакт 170 PE14 — GPIO / TIM1_CH4
Контакт 171 PE15 — GPIO / TIM1_CH4N
Контакт 172 VSS — Ground
Контакт 173 VDD — Power supply
Контакт 174 NRST — Reset (active low)
Контакт 175 PC14 — GPIO / OSC32_IN
Контакт 176 PC15 — GPIO / OSC32_OUT

Типичное применение

STM32F429IIT6 подходит для 6 применениеs: Industrial Automation, Motor Control, Medical Devices, Audio Processing, Human-Machine Interface (HMI), IoT Gateway.

🏭

Industrial Automation

The STM32F429IIT6 is ideal for industrial automation due to its high processing power, extensive peripheral set, and robust communication interfaces. It can handle complex control algorithms, real-time data acquisition, and multi-protocol communication (Ethernet, CAN, USB) in PLCs, motor drives, and robotic controllers. The 180 MHz Cortex-M4 core with FPU accelerates mathematical computations, while the multiple timers and ADCs enable precise PWM generation and analog signal processing. The device's industrial temperature range (-40C to +85C) ensures reliable operation in factory environments. Additionally, the FSMC interface allows connection to external memory for data logging, and the LCD-TFT controller supports local HMI displays for operator interaction.

⚡

Motor Control

The STM32F429IIT6 excels in motor control applications, such as field-oriented control (FOC) of brushless DC (BLDC) motors and permanent magnet synchronous motors (PMSM). Its advanced timers generate complementary PWM signals with dead-time insertion, while the high-speed ADCs sample phase currents simultaneously. The Cortex-M4 core with FPU executes complex control algorithms efficiently, enabling smooth and efficient motor operation. The device supports various communication interfaces (CAN, UART, SPI) for connecting to motor drives and host controllers. With its rich peripheral set and high performance, the STM32F429IIT6 is a cost-effective solution for industrial and automotive motor control systems.

💊

Medical Devices

The STM32F429IIT6 is suitable for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high processing power enables real-time signal processing for ECG, EEG, and other biosignals. The multiple ADCs and DACs allow precise analog interfacing with sensors and actuators. The device's low-power modes help extend battery life in portable medical devices. The cryptographic acceleration cell and true random number generator enhance data security, which is critical for patient data protection. The LCD-TFT controller supports graphical user interfaces for displaying vital signs and device status. The industrial temperature range ensures reliable operation in clinical environments.

🎧

Audio Processing

The STM32F429IIT6 is well-suited for audio processing applications, including audio effects processors, mixers, and voice recognition systems. The Cortex-M4 core with FPU and DSP instructions accelerates audio algorithms such as filtering, FFT, and echo cancellation. The device's multiple I2S interfaces allow connection to audio codecs and digital microphones. The high-speed USB OTG enables streaming audio to and from a host. The large Flash memory (2 MB) can store audio samples and processing code. The LCD-TFT controller can display audio waveforms and user interfaces. With its high performance and rich audio peripherals, the STM32F429IIT6 is a powerful platform for professional and consumer audio products.

📺

Human-Machine Interface (HMI)

The STM32F429IIT6 is an excellent choice for HMI applications, such as industrial control panels, home automation touchscreens, and point-of-sale terminals. Its integrated LCD-TFT controller supports up to XGA resolution with multiple color depths, enabling rich graphical user interfaces. The device's high processing power ensures smooth animation and responsive touch input. The external memory interface (FSMC) allows connection to external SDRAM or NOR Flash for larger frame buffers and graphics assets. The multiple communication interfaces (UART, SPI, I2C, USB) enable connection to touch controllers, sensors, and network modules. The device's low-power modes help reduce energy consumption in always-on displays.

🌐

IoT Gateway

The STM32F429IIT6 can serve as an IoT gateway, aggregating data from various sensors and devices and forwarding it to the cloud. Its multiple communication interfaces (Ethernet, USB, CAN, UART, SPI, I2C) allow connection to a wide range of sensors and actuators. The high processing power enables protocol conversion and data preprocessing. The cryptographic acceleration cell and true random number generator provide secure communication and data encryption. The device's low-power modes are beneficial for battery-powered gateways. The large Flash memory can store firmware updates and data logs. With its rich connectivity and security features, the STM32F429IIT6 is a robust platform for IoT edge devices.

Сводка рекомендуемых товаров

STM32F429IIT6 STMicroelectronics Используется в: Industrial Automation, Motor Control, Medical Devices, Audio Processing, Human-Machine Interface (HMI), IoT Gateway SN65HVD230 CAN transceiver Используется в: Industrial Automation DP83848 Ethernet PHY Используется в: Industrial Automation, IoT Gateway IR2104 Gate driver Используется в: Motor Control ACS712 Allegro MicroSystems Используется в: Motor Control ADS1298 ECG front-end Используется в: Medical Devices LM75 Temperature sensor Используется в: Medical Devices CS42L51 Audio codec Используется в: Audio Processing TAS5754 Class-D amplifier Используется в: Audio Processing FT5x06 Capacitive touch controller Используется в: Human-Machine Interface (HMI) IS42S16400J SDRAM Используется в: Human-Machine Interface (HMI) SX1276 LoRa transceiver Используется в: IoT Gateway
What is the maximum clock frequency of STM32F429IIT6?
The STM32F429IIT6 operates at a maximum clock frequency of 180 MHz. According to the STMicroelectronics datasheet, the ARM Cortex-M4 core with FPU can run at up to 180 MHz, providing high computational performance for demanding applications.
How much Flash memory does STM32F429IIT6 have?
The STM32F429IIT6 has 2 MB of Flash memory. This large Flash capacity allows storing complex firmware and data, making it suitable for applications that require significant code space, such as graphical user interfaces and communication protocol stacks.
What is the package type of STM32F429IIT6?
The STM32F429IIT6 is available in an LQFP176 package with 176 pins. This surface-mount package is suitable for PCB designs requiring a moderate pin count and is commonly used in industrial and consumer applications.
What is the operating temperature range of STM32F429IIT6?
The STM32F429IIT6 operates over a temperature range of -40C to +85C. This industrial temperature range ensures reliable operation in harsh environments, making it suitable for automotive, industrial, and outdoor applications.
Does STM32F429IIT6 have a floating-point unit?
Yes, the STM32F429IIT6 includes a single-precision floating-point unit (FPU) as part of the ARM Cortex-M4 core. The FPU accelerates mathematical operations, which is beneficial for applications involving digital signal processing, motor control, and audio processing.
What is the supply voltage range of STM32F429IIT6?
The STM32F429IIT6 operates with a supply voltage range of 1.8V to 3.6V. This wide range allows flexibility in power supply design, supporting both 3.3V and lower-voltage systems.
How many ADC channels does STM32F429IIT6 have?
The STM32F429IIT6 has 24 ADC channels with 12-bit resolution. These channels can be used to read analog sensors, potentiometers, and other analog signals, making the MCU suitable for data acquisition and control applications.
Does STM32F429IIT6 support USB OTG?
Yes, the STM32F429IIT6 supports two USB OTG interfaces: one full-speed (FS) and one high-speed (HS). This enables the MCU to act as a USB host or device, facilitating connectivity with external peripherals and PCs.
What is the difference between STM32F429IIT6 and STM32F407IIT6?
The STM32F429IIT6 offers a higher maximum clock frequency (180 MHz vs 168 MHz) and more Flash memory (2 MB vs 1 MB) compared to the STM32F407IIT6. Additionally, the STM32F429IIT6 includes an LCD-TFT controller and a cryptographic acceleration cell, which are not present on the STM32F407IIT6. Both are pin-compatible in the LQFP176 package, but the STM32F429IIT6 provides enhanced features for graphics and security applications.
Can STM32F429IIT6 be used for motor control applications?
Yes, the STM32F429IIT6 is well-suited for motor control applications. It features advanced timers with complementary PWM outputs, multiple ADCs for current sensing, and a high-speed Cortex-M4 core with FPU for executing complex control algorithms like field-oriented control (FOC).
What is the best drop-in replacement for STM32F429IIT6?
The best drop-in replacement for STM32F429IIT6 is the STM32F429IIT6 itself, but if you need a variant with more SRAM, consider the STM32F429IIT6 (same) or the STM32F429NIH6 (LQFP216). For a pin-compatible alternative with lower power, the STM32F429IIT6 is the direct choice. Cross-brand alternatives are not available due to the unique combination of features and package.
Where can I buy STM32F429IIT6 online?
STM32F429IIT6 can be purchased from authorized distributors such as DigiKey, Mouser, and Arrow Electronics. As of 2026-08-13, the price for a single unit is approximately $12.50 USD, with volume discounts available. Check current stock and pricing on distributor websites.
What is the lead time for STM32F429IIT6?
The lead time for STM32F429IIT6 varies by distributor and order quantity. Typically, standard lead times range from 4 to 8 weeks for large orders, while smaller quantities may be available for immediate shipment. As of 2026-08-13, DigiKey and Mouser often have stock for immediate delivery.
Is STM32F429IIT6 in stock?
As of 2026-08-13, STM32F429IIT6 is generally in stock at major distributors like DigiKey and Mouser. However, stock levels can fluctuate, so it is recommended to check the distributor's website for real-time availability.
What is the price of STM32F429IIT6?
As of 2026-08-13, the unit price for STM32F429IIT6 is approximately $12.50 USD at quantity 1, decreasing to $8.50 USD at quantity 1000. Prices may vary between distributors and are subject to change.
Where can I download the STM32F429IIT6 datasheet PDF?
The STM32F429IIT6 datasheet can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f429ii.pdf. The datasheet provides complete specifications, pinout, and electrical characteristics.
Where can I find the STM32F429IIT6 pinout?
The STM32F429IIT6 pinout is detailed in the datasheet available at https://www.st.com/resource/en/datasheet/stm32f429ii.pdf. The pinout diagram shows the function of each of the 176 pins in the LQFP176 package.
What are the key specifications of STM32F429IIT6 that engineers should know?
Engineers should know that the STM32F429IIT6 features a 180 MHz ARM Cortex-M4 core with FPU, 2 MB Flash, 256 KB SRAM, 24 ADC channels, 2 DACs, 14 timers, 8 USARTs, 6 SPIs, 4 I2Cs, 2 USB OTG, 2 CAN, and an LCD-TFT controller. It operates from 1.8V to 3.6V and is available in an LQFP176 package. These specifications make it a powerful choice for high-performance embedded applications.
Is STM32F429IIT6 the same as STM32F429IIT6?
Yes, STM32F429IIT6 is the same as itself. If you meant a different variant, the STM32F429IIT6 is part of the STM32F429 family, which includes variants with different memory sizes and packages. For example, STM32F429IIT6 has 2 MB Flash and 256 KB SRAM in LQFP176.
What is the best STMicroelectronics equivalent for STM32F429IIT6?
The best STMicroelectronics equivalent for STM32F429IIT6 is the STM32F429IIT6 itself. For a variant with more SRAM, consider the STM32F429NIH6 (LQFP216). For a lower-power option, the STM32F429IIT6 is the direct choice.

Справочные инженерные данные для STM32F429IIT6 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the STM32F429IIT6 when you need the highest performance (180 MHz), maximum Flash (2 MB), and advanced features like LCD-TFT controller and cryptographic acceleration. If you require a lower-cost option with slightly lower performance, the STM32F407IIT6 (168 MHz, 1 MB Flash) is a suitable alternative, but it lacks the LCD-TFT controller and crypto cell. For applications that need the same performance but with less Flash, the STM32F429IGT6 (1 MB Flash) is a cost-effective choice. The STM32F427IIT6 offers the same performance and Flash but without the crypto cell, making it suitable for non-security-critical applications. All alternatives are pin-compatible in the LQFP176 package, allowing easy PCB redesign.

Сравнение с аналогами

Параметр Этот товар STM32F429IIT6 STM32F407IIT6 STM32F427IIT6 STM32F429IGT6
Package LQFP176 LQFP176 LQFP176 LQFP176 LQFP176
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Maximum Clock Frequency 180 MHz 180 MHz 168 MHz 180 MHz 180 MHz
Flash Memory 2 MB 2 MB 1 MB 2 MB 1 MB
SRAM 256 KB 256 KB 192 KB 256 KB 256 KB
LCD-TFT Controller Yes Yes No Yes Yes
Cryptographic Acceleration Yes Yes No No Yes
Number of Pins 176 176 176 176 176

Ключевые отличия

  • Higher maximum clock frequency (180 MHz) compared to STM32F407IIT6 (168 MHz) (против STM32F407IIT6)
  • Integrated LCD-TFT controller (против STM32F407IIT6)
  • Cryptographic acceleration cell (против STM32F427IIT6)

Заметки по проектированию

The STM32F429IIT6 requires a stable power supply. Decouple each VDD pin with a 100 nF ceramic capacitor placed as close to the pin as possible. Additionally, use a 4.7 uF capacitor on the VDDA pin and a ferrite bead to filter high-frequency noise. The VBAT pin should be connected to a backup battery or tied to VDD through a diode to maintain RTC operation when main power is off.

For optimal ADC performance, ensure the analog supply (VDDA) and reference voltage (VREF+) are clean and well-filtered. Use a star-ground topology to separate analog and digital grounds, and place the analog components away from high-speed digital traces. The LQFP176 package has an exposed pad (EP) that should be soldered to the PCB ground plane for improved thermal performance and mechanical stability.

When using the FSMC interface to connect external memory, ensure that the timing parameters are correctly configured to match the memory device. Incorrect timing can lead to data corruption. Also, be aware of the BOOT0 and BOOT1 pins: BOOT0 must be pulled low for normal boot from Flash, and BOOT1 is used to select the boot mode. Misconfiguration can prevent the device from starting correctly.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Без свинца
Без галогенов
Конфликтные минералы
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32F429IIT6Q or other automotive-grade variants.

Данные проверены: 2026-08-13 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

STMicroelectronics STM32F429IIT6 STM32F407IIT6 STM32F427IIT6 STM32F429IGT6 ARM Cortex-M4 FPU LQFP176 LQFP surface mount Flash memory SRAM ADC DAC LCD-TFT controller FSMC USB OTG CAN I2C SPI USART RoHS REACH AEC-Q100 industrial automation motor control medical devices audio processing HMI IoT gateway
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