STMicroelectronics

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

料号: STM32F429IIT6 ✓ 量产中
有现货 1-3 个工作日内发货
1.8 V to 3.6 V Vdss LQFP176 Package 180 MHz Speed 2 MB Memory
低至 $8.3523 USD / 件
最小起订量: 1 |
价格更新于: 2026-08-13
批量定价
数量 单价 小计
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 所有价格均以 USD 计价

STM32F429IIT6 概述

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.

直接替换替代料: STM32F429IIT6 ——相同封装,引脚兼容。需要 PCB 改动的不同封装料号已排除。

本系列中的变体

可与以下型号直接替换的同系列型号: STM32F429IIT6 (相同外形与封装尺寸) ——差异在于 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
对比 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)
对比 STM32F429IIT6 →
STMicroelectronics
Package: 208-pin LQFP (LQFP208)
Timers: 12x 16-bit + 2x 32-bit
Communication Interfaces: SPI, I2C, USART, UART, CAN, USB OTG, Ethernet
对比 STM32F429IIT6 →
STMicroelectronics
Package: 176-LQFP, 24 mm x 24 mm
Timers: 17 timers
Communication Interfaces: 20 communication interfaces
对比 STM32F429IIT6 →
STMicroelectronics
Package: 216-TFBGA (13x13 mm), 0.8 mm pitch
Timers: 17 (including 12-bit timers, PWM, low-power timers)
对比 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
对比 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
对比 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
对比 STM32F429IIT6 →

快速对比工具——选择替代料号进行并排对比:

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)

✓ 有现货

$8.63 / 个

查看数据手册 →

STM32F407IIT6

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

📋 参考替代料(不在目录中)

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)

✓ 有现货

$11.2 / 个

查看数据手册 →

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

✓ 有现货

联系询价

查看数据手册 →

STM32F429IIT6 最大额定值与电气特性

Core ARM Cortex-M4 with FPU
最大时钟频率 180 MHz
Flash Memory 2 MB
SRAM 256 KB
Supply Voltage Range 1.8 V to 3.6 V
封装 LQFP176
引脚数 176
工作温度范围 -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
RoHS 状态 Compliant

STM32F429IIT6 引脚配置

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

典型应用

STM32F429IIT6 适用于 6 应用s: 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.

推荐产品汇总

STM32F429IIT6 STMicroelectronics 用于: Industrial Automation, Motor Control, Medical Devices, Audio Processing, Human-Machine Interface (HMI), IoT Gateway SN65HVD230 CAN transceiver 用于: Industrial Automation DP83848 Ethernet PHY 用于: Industrial Automation, IoT Gateway IR2104 Gate driver 用于: Motor Control ACS712 Allegro MicroSystems 用于: Motor Control ADS1298 ECG front-end 用于: Medical Devices LM75 Temperature sensor 用于: Medical Devices CS42L51 Audio codec 用于: Audio Processing TAS5754 Class-D amplifier 用于: Audio Processing FT5x06 Capacitive touch controller 用于: Human-Machine Interface (HMI) IS42S16400J SDRAM 用于: Human-Machine Interface (HMI) SX1276 LoRa transceiver 用于: 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.

工程参考数据: STM32F429IIT6 ——对比、设计指导和合规信息。

选型指南

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.

与替代料对比

参数 本产品 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

关键差异点

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

设计说明

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.

合规信息

RoHS
Compliant
REACH
Compliant
AEC-Q100
无铅
无卤
冲突矿物
Compliant

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

数据核验日期: 2026-08-13 ——数据由 XAIPART 元器件工程团队核验和整理

相关搜索

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相关元器件 & 术语

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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