STMicroelectronics

STM32F427ZIT6 - 180MHz ARM Cortex-M4F MCU, 2MB Flash | STMicroelectronics

Артикул: STM32F427ZIT6 ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
1.8 V to 3.6 V Vdss LQFP144 (20x20 mm) Package 180 MHz Speed 2 MB (dual-bank) Memory
От $8.1 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-08-06
Оптовые цены
Кол-во Цена за ед. Итого
1 $12.5 $12,50
10 $11.2 $112,00
100 $9.8 $980,00
500 $8.9 $4.450,00
1.000 $8.1 $8.100,00
ℹ️ Все цены указаны в USD

STM32F427ZIT6 Обзор

The STMicroelectronics STM32F427ZIT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4F core with floating-point unit (FPU), operating at up to 180 MHz. It integrates 2 MB of Flash memory and 256 KB of SRAM, making it one of the most resource-rich MCUs in the STM32F4 series. The device is housed in a 144-pin LQFP package (LQFP144, 20x20 mm) and supports a wide supply voltage range of 1.8V to 3.6V, with an operating temperature range of -40°C to +85°C.

A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (Flash and SRAM), and programmable input/output peripherals. The STM32F427ZIT6 belongs to the STM32F4 family, which is part of the broader STM32 32-bit ARM Cortex-M microcontroller portfolio. This family is known for its balance of performance, power efficiency, and rich peripheral integration, making it a popular choice for industrial, consumer, and IoT applications.

Key features include a 180 MHz ARM Cortex-M4F core with FPU and DSP instructions, 2 MB of dual-bank Flash memory, 256 KB of SRAM, and a comprehensive set of peripherals: 3x 12-bit ADCs, 2x 12-bit DACs, 8x UARTs, 6x SPIs, 3x I2Cs, 2x CAN, 1x USB 2.0 OTG FS/HS, 1x Ethernet MAC, and a camera interface. The device also includes a true random number generator (RNG), a cryptographic acceleration cell (AES, DES, 3DES), and a Chrom-ART Accelerator for 2D graphics.

The STM32F427ZIT6 is built on a 90nm process technology, offering a good balance between performance and power consumption. It features a flexible power management system with multiple low-power modes (Sleep, Stop, Standby) and a backup domain for RTC and SRAM retention. The dual-bank Flash allows read-while-write operations, enabling firmware updates without halting the system. The Chrom-ART Accelerator offloads 2D graphics operations from the CPU, improving GUI performance in display applications.

Typical applications include industrial control systems, motor drives, medical devices, consumer electronics, IoT gateways, and human-machine interfaces (HMI). The rich connectivity options (Ethernet, USB, CAN) make it suitable for networked embedded systems. The high Flash and SRAM capacities support complex firmware and real-time operating systems (RTOS).

When designing with this device, pay attention to the power supply decoupling: place 100nF capacitors close to each VDD pin and a 4.7uF bulk capacitor. The VDDA pin must be connected to a clean analog supply to ensure ADC accuracy. For high-speed USB and Ethernet, use the recommended external PHY and crystal oscillator (25 MHz for Ethernet).

Аналоги без доработки для STM32F427ZIT6 — 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 STM32F427ZIT6 (тот же форм-фактор и посадочное место) — отличается по Package, SRAM, Core, Timers, ADC.

Microchip Technology
Package: 144-pin TQFP (16x16 mm, 0.4 mm pitch)
SRAM: 512 KB
STMicroelectronics
Package: 176-pin LQFP (24 x 24 mm, 0.5 mm pitch)
SRAM: 256 KB (plus 4 KB backup SRAM)
Timers: Up to 17 (including motor-control timers)
Сравнить с STM32F427ZIT6 →
STMicroelectronics
Package: LQFP-144 (20 x 20 mm)
Core: ARM Cortex-M4 with FPU and DSP
Timers: 12x 16-bit + 2x 32-bit (17 timers total)
Сравнить с STM32F427ZIT6 →
STMicroelectronics
Core: ARM Cortex-M4 with FPU
Timers: 12x 16-bit, 2x 32-bit
Сравнить с STM32F427ZIT6 →
STMicroelectronics
Package: 144-LQFP (20x20 mm)
SRAM: 384 KB
Core: ARM Cortex-M4 32-bit with FPU
Сравнить с STM32F427ZIT6 →

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

STM32F427ZGT6

✅ Прямая замена ⚠️ Характеристики не проверены
📦 LQFP144
Same package and pinout, but 1 MB Flash instead of 2 MB

📋 Справочный аналог (нет в каталоге)

STM32F437ZIT6

✅ Прямая замена ⚠️ Характеристики не проверены
STMicroelectronics
📦 LQFP144
ARM Cortex-M4 with FPU · 180 MHz · 2 MB · 256 KB · 1.8V to 3.6V · -40°C to +85°C · LQFP144 (20x20 mm) · 114

✓ В наличии

$8.1 / шт.

Открыть даташит →

STM32F407ZIT6

✅ Прямая замена ⚠️ Характеристики не проверены
📦 LQFP144
Lower clock (168 MHz), less SRAM (192 KB), no Chrom-ART or crypto

📋 Справочный аналог (нет в каталоге)

STM32F429ZIT6

✅ Прямая замена ⚠️ Характеристики не проверены
STMicroelectronics
📦 LQFP144
ARM Cortex-M4 with FPU and DSP · 180 MHz · 2 MB · 256 KB SRAM + 4 KB backup SRAM · 32 bit · 225 DMIPS (1.25 DMIPS/MHz) · 1.8 V to 3.6 V · -40C to +85C

✓ В наличии

$11.4 / шт.

Открыть даташит →
ℹ️ 1 компонент(ы) в другом корпусе скрыт(ы) — другой корпус требует переработки PCB и не является полноценной заменой без доработки. Свяжитесь с нами если вам нужны предложения по другим корпусам.

STM32F427ZIT6 Максимальные параметры и электрические характеристики

Core ARM Cortex-M4F with FPU
Maximum Clock Speed 180 MHz
Flash Memory 2 MB (dual-bank)
SRAM 256 KB
Напряжение питания 1.8 V to 3.6 V
Рабочая температура -40C to +85C
Корпус LQFP144 (20x20 mm)
GPIO Pins 114
ADC 3x 12-bit, up to 24 channels
DAC 2x 12-bit
UART 8
SPI 6
I2C 3
CAN 2
USB 1x OTG FS/HS
Ethernet 1x MAC 10/100
Timers 12 (16-bit and 32-bit)
DMA 2x DMA controllers with 16 streams
RNG Yes
Crypto AES, DES, 3DES
Chrom-ART Accelerator Yes
RoHS Compliant

Конфигурация выводов STM32F427ZIT6

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
Контакт 1 PE2 — GPIO / FMC_A23
Контакт 2 PE3 — GPIO / FMC_A19
Контакт 3 PE4 — GPIO / FMC_A20
Контакт 4 PE5 — GPIO / FMC_A21
Контакт 5 PE6 — GPIO / FMC_A22
Контакт 6 VBAT — Backup battery supply
Контакт 7 PC13 — GPIO / RTC_TAMP1
Контакт 8 PC14 — GPIO / OSC32_IN
Контакт 9 PC15 — GPIO / OSC32_OUT
Контакт 10 PF0 — GPIO / FMC_A0
Контакт 11 PF1 — GPIO / FMC_A1
Контакт 12 PF2 — GPIO / FMC_A2
Контакт 13 PF3 — GPIO / FMC_A3
Контакт 14 PF4 — GPIO / FMC_A4
Контакт 15 PF5 — GPIO / FMC_A5
Контакт 16 VSS — Ground
Контакт 17 VDD — Power supply
Контакт 18 PF6 — GPIO / FMC_NWAIT
Контакт 19 PF7 — GPIO / FMC_NE1
Контакт 20 PF8 — GPIO / FMC_NCE2
Контакт 21 PF9 — GPIO / FMC_NCE3
Контакт 22 PF10 — GPIO / FMC_NE2
Контакт 23 PH0 — GPIO / OSC_IN
Контакт 24 PH1 — GPIO / OSC_OUT
Контакт 25 PH2 — GPIO / FMC_SDCKE0
Контакт 26 PH3 — GPIO / FMC_SDNE0
Контакт 27 PH4 — GPIO / FMC_SDNE1
Контакт 28 PH5 — GPIO / FMC_SDNWE
Контакт 29 PH6 — GPIO / FMC_SDNE1
Контакт 30 PH7 — GPIO / FMC_SDCKE1
Контакт 31 PH8 — GPIO / FMC_D16
Контакт 32 PH9 — GPIO / FMC_D17
Контакт 33 PH10 — GPIO / FMC_D18
Контакт 34 PH11 — GPIO / FMC_D19
Контакт 35 PH12 — GPIO / FMC_D20
Контакт 36 PH13 — GPIO / FMC_D21
Контакт 37 PH14 — GPIO / FMC_D22
Контакт 38 PH15 — GPIO / FMC_D23
Контакт 39 VSS — Ground
Контакт 40 VDD — Power supply
Контакт 41 PD0 — GPIO / FMC_D2
Контакт 42 PD1 — GPIO / FMC_D3
Контакт 43 PD2 — GPIO / FMC_D0
Контакт 44 PD3 — GPIO / FMC_CLK
Контакт 45 PD4 — GPIO / FMC_NOE
Контакт 46 PD5 — GPIO / FMC_NWE
Контакт 47 PD6 — GPIO / FMC_NWAIT
Контакт 48 PD7 — GPIO / FMC_NE1
Контакт 49 PD8 — GPIO / USART3_TX
Контакт 50 PD9 — GPIO / USART3_RX
Контакт 51 PD10 — GPIO / USART3_CK
Контакт 52 PD11 — GPIO / USART3_CTS
Контакт 53 PD12 — GPIO / USART3_RTS
Контакт 54 PD13 — GPIO / USART3_DE
Контакт 55 PD14 — GPIO / FMC_D0
Контакт 56 PD15 — GPIO / FMC_D1
Контакт 57 VSS — Ground
Контакт 58 VDD — Power supply
Контакт 59 PC0 — GPIO / ADC123_IN10
Контакт 60 PC1 — GPIO / ADC123_IN11
Контакт 61 PC2 — GPIO / ADC123_IN12
Контакт 62 PC3 — GPIO / ADC123_IN13
Контакт 63 PC4 — GPIO / ADC12_IN14
Контакт 64 PC5 — GPIO / ADC12_IN15
Контакт 65 PB0 — GPIO / ADC12_IN8
Контакт 66 PB1 — GPIO / ADC12_IN9
Контакт 67 PB2 — GPIO / BOOT1
Контакт 68 PB3 — GPIO / JTDO
Контакт 69 PB4 — GPIO / NJTRST
Контакт 70 PB5 — GPIO / I2C1_SMBA
Контакт 71 PB6 — GPIO / I2C1_SCL
Контакт 72 PB7 — GPIO / I2C1_SDA
Контакт 73 BOOT0 — Boot mode selection
Контакт 74 PB8 — GPIO / I2C1_SCL
Контакт 75 PB9 — GPIO / I2C1_SDA
Контакт 76 VSS — Ground
Контакт 77 VDD — Power supply
Контакт 78 PE7 — GPIO / FMC_D4
Контакт 79 PE8 — GPIO / FMC_D5
Контакт 80 PE9 — GPIO / FMC_D6
Контакт 81 PE10 — GPIO / FMC_D7
Контакт 82 PE11 — GPIO / FMC_D8
Контакт 83 PE12 — GPIO / FMC_D9
Контакт 84 PE13 — GPIO / FMC_D10
Контакт 85 PE14 — GPIO / FMC_D11
Контакт 86 PE15 — GPIO / FMC_D12
Контакт 87 PB10 — GPIO / I2C2_SCL
Контакт 88 PB11 — GPIO / I2C2_SDA
Контакт 89 PB12 — GPIO / SPI2_NSS
Контакт 90 PB13 — GPIO / SPI2_SCK
Контакт 91 PB14 — GPIO / SPI2_MISO
Контакт 92 PB15 — GPIO / SPI2_MOSI
Контакт 93 PD8 — GPIO / USART3_TX
Контакт 94 PD9 — GPIO / USART3_RX
Контакт 95 PD10 — GPIO / USART3_CK
Контакт 96 PD11 — GPIO / USART3_CTS
Контакт 97 PD12 — GPIO / USART3_RTS
Контакт 98 PD13 — GPIO / USART3_DE
Контакт 99 PD14 — GPIO / FMC_D0
Контакт 100 PD15 — GPIO / FMC_D1
Контакт 101 VSS — Ground
Контакт 102 VDD — Power supply
Контакт 103 PC6 — GPIO / I2S2_MCK
Контакт 104 PC7 — GPIO / I2S3_MCK
Контакт 105 PC8 — GPIO / SDIO_D0
Контакт 106 PC9 — GPIO / SDIO_D1
Контакт 107 PA0 — GPIO / ADC123_IN0
Контакт 108 PA1 — GPIO / ADC123_IN1
Контакт 109 PA2 — GPIO / ADC123_IN2
Контакт 110 PA3 — GPIO / ADC123_IN3
Контакт 111 PA4 — GPIO / DAC_OUT1
Контакт 112 PA5 — GPIO / DAC_OUT2
Контакт 113 PA6 — GPIO / ADC12_IN6
Контакт 114 PA7 — GPIO / ADC12_IN7
Контакт 115 PA8 — GPIO / MCO1
Контакт 116 PA9 — GPIO / USART1_TX
Контакт 117 PA10 — GPIO / USART1_RX
Контакт 118 PA11 — GPIO / USB_DM
Контакт 119 PA12 — GPIO / USB_DP
Контакт 120 PA13 — GPIO / SWDIO
Контакт 121 PA14 — GPIO / SWCLK
Контакт 122 PA15 — GPIO / JTDI
Контакт 123 VSS — Ground
Контакт 124 VDD — Power supply
Контакт 125 PC10 — GPIO / SDIO_D2
Контакт 126 PC11 — GPIO / SDIO_D3
Контакт 127 PC12 — GPIO / SDIO_CK
Контакт 128 PC13 — GPIO / RTC_TAMP1
Контакт 129 PC14 — GPIO / OSC32_IN
Контакт 130 PC15 — GPIO / OSC32_OUT
Контакт 131 PF0 — GPIO / FMC_A0
Контакт 132 PF1 — GPIO / FMC_A1
Контакт 133 PF2 — GPIO / FMC_A2
Контакт 134 PF3 — GPIO / FMC_A3
Контакт 135 PF4 — GPIO / FMC_A4
Контакт 136 PF5 — GPIO / FMC_A5
Контакт 137 VSS — Ground
Контакт 138 VDD — Power supply
Контакт 139 PF6 — GPIO / FMC_NWAIT
Контакт 140 PF7 — GPIO / FMC_NE1
Контакт 141 PF8 — GPIO / FMC_NCE2
Контакт 142 PF9 — GPIO / FMC_NCE3
Контакт 143 PF10 — GPIO / FMC_NE2
Контакт 144 PH0 — GPIO / OSC_IN

Типичное применение

STM32F427ZIT6 подходит для 6 применениеs: Industrial Control Systems, IoT Gateways, Medical Devices, Consumer Electronics, Human-Machine Interface (HMI), Automotive Electronics.

🏭

Industrial Control Systems

The STM32F427ZIT6 is ideal for industrial control systems such as PLCs, motor drives, and robotics. Its 180 MHz Cortex-M4F core with FPU accelerates complex control algorithms like FOC (Field-Oriented Control) for brushless DC motors. The device features advanced timers (12 timers including 2x 32-bit) that generate precise PWM signals, and 3x 12-bit ADCs with up to 24 channels for accurate current and voltage sensing. The 2 MB Flash and 256 KB SRAM support complex firmware and real-time operating systems. The wide operating temperature range (-40°C to +85°C) and robust peripheral set (CAN, UART, SPI) make it suitable for harsh industrial environments. In a typical motor drive, the MCU reads encoder feedback via a timer input, executes the FOC algorithm, and outputs PWM to the gate driver, achieving high efficiency and smooth operation. The dual-bank Flash allows firmware updates without stopping the motor, minimizing downtime.

🌐

IoT Gateways

The STM32F427ZIT6 is well-suited for IoT gateways that aggregate data from multiple sensors and communicate via Ethernet, Wi-Fi, or cellular. Its integrated Ethernet MAC (10/100) enables wired connectivity, while USB OTG FS/HS supports external modems or storage. The 2 MB Flash and 256 KB SRAM can host a full TCP/IP stack (e.g., lwIP) and MQTT broker. The cryptographic acceleration cell (AES, DES, 3DES) provides hardware-accelerated encryption for secure communication. The device can manage multiple UARTs, SPIs, and I2Cs to interface with various sensors and actuators. In a typical gateway, the MCU collects data from Zigbee or LoRa modules via UART, processes and encrypts it, then forwards it to the cloud via Ethernet. The low-power modes (Stop, Standby) help reduce energy consumption when idle. The Chrom-ART Accelerator can drive a local display for status monitoring.

💊

Medical Devices

The STM32F427ZIT6 is used in medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high processing power enables real-time signal processing for ECG, EEG, and blood pressure monitoring. The 3x 12-bit ADCs with high resolution capture analog signals from sensors, while the FPU accelerates digital filtering algorithms. The device's reliability and long-term availability make it suitable for medical applications. The 2 MB Flash can store patient data and firmware, and the dual-bank architecture allows safe firmware updates. The low-power modes extend battery life in portable devices. In a patient monitor, the MCU reads ECG signals via an analog front-end, processes them to detect arrhythmias, and displays the waveform on an LCD. The cryptographic cell can secure patient data for transmission. The device meets medical safety standards when properly designed with isolation and EMC protection.

📱

Consumer Electronics

The STM32F427ZIT6 powers consumer electronics like smart home hubs, wearable devices, and audio equipment. Its Chrom-ART Accelerator enhances GUI performance on TFT displays, making it ideal for smart home control panels. The device supports multiple connectivity options (USB, Ethernet, CAN) for seamless integration with other smart devices. The 2 MB Flash and 256 KB SRAM handle complex user interfaces and audio processing. The FPU and DSP instructions enable real-time audio effects and voice recognition. In a smart speaker, the MCU processes audio from a microphone, performs keyword spotting, and streams audio to a cloud service via Wi-Fi (using an external module). The low-power modes help conserve energy in battery-powered wearables. The device's rich peripheral set allows interfacing with touch sensors, LEDs, and displays.

📺

Human-Machine Interface (HMI)

The STM32F427ZIT6 is an excellent choice for HMI applications such as industrial control panels, home automation touchscreens, and point-of-sale terminals. The Chrom-ART Accelerator offloads 2D graphics operations from the CPU, enabling smooth rendering of complex GUIs on TFT-LCD displays. The device supports external SDRAM (via FMC) for larger frame buffers, and the 2 MB Flash can store graphical assets. The rich peripheral set includes touch controller interfaces (I2C/SPI), UARTs for communication with host systems, and Ethernet for remote monitoring. In a typical HMI, the MCU reads touch input, updates the display, and communicates with a PLC via Modbus over UART. The high clock speed ensures responsive user interaction. The device's low-power modes help reduce heat and energy consumption in enclosed panels.

🚗

Automotive Electronics

The STM32F427ZIT6 is used in automotive applications such as body control modules, infotainment systems, and advanced driver-assistance systems (ADAS). Its high performance and rich connectivity (CAN, Ethernet, USB) make it suitable for in-vehicle networking. The device operates over the automotive temperature range (-40°C to +125°C for some variants, but this standard version is -40°C to +85°C; for automotive grade, consider the STM32F427ZIT6Q). The cryptographic cell secures communication between ECUs. The 2 MB Flash and 256 KB SRAM support complex algorithms for sensor fusion and diagnostics. In a body control module, the MCU manages lighting, windows, and door locks via CAN bus. The FPU accelerates signal processing for radar or camera data in ADAS. The device's robustness and long-term availability meet automotive quality standards.

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What is the maximum clock speed of STM32F427ZIT6?
The STM32F427ZIT6 operates at a maximum clock speed of 180 MHz. According to the STMicroelectronics datasheet (DS8626), the ARM Cortex-M4F core with FPU can run at up to 180 MHz, providing 225 DMIPS performance.
How much Flash and SRAM does STM32F427ZIT6 have?
The STM32F427ZIT6 has 2 MB of dual-bank Flash memory and 256 KB of SRAM. This large memory capacity supports complex applications and enables read-while-write operations for firmware updates without halting the system.
What is the difference between STM32F427ZIT6 and STM32F407ZIT6?
The STM32F427ZIT6 offers a higher clock speed (180 MHz vs 168 MHz), more SRAM (256 KB vs 192 KB), and additional features like the Chrom-ART Accelerator and cryptographic acceleration. Both share the same LQFP144 package and are pin-compatible, but the F427 provides better performance and graphics capabilities.
Is STM32F427ZIT6 suitable for motor control applications?
Yes, the STM32F427ZIT6 is well-suited for motor control due to its 180 MHz Cortex-M4F core with FPU, advanced timers (12 timers including 2x 32-bit), and 3x 12-bit ADCs. The FPU accelerates complex control algorithms like FOC (Field-Oriented Control), and the high-resolution timers generate precise PWM signals.
What is the operating voltage range of STM32F427ZIT6?
The STM32F427ZIT6 operates from 1.8V to 3.6V. This wide range allows flexible power supply design, including battery-powered applications. The device also has a separate VDDA pin for analog peripherals to ensure ADC accuracy.
Can STM32F427ZIT6 run a real-time operating system (RTOS)?
Yes, the STM32F427ZIT6 is fully capable of running an RTOS such as FreeRTOS, ThreadX, or Zephyr. With 256 KB SRAM and 2 MB Flash, it can handle multiple tasks, networking stacks, and complex applications. The Cortex-M4F core with FPU and DSP instructions provides ample processing power.
What is the price of STM32F427ZIT6?
As of 2026-08-06, the price of STM32F427ZIT6 is approximately $12.50 for single-unit quantities, dropping to $8.10 at 1000 units. Prices vary by distributor and quantity; check DigiKey or Mouser for current pricing.
Where can I buy STM32F427ZIT6 online?
STM32F427ZIT6 is available from major distributors such as DigiKey, Mouser, and Farnell. You can also purchase directly from STMicroelectronics' authorized distributors. As of 2026-08-06, it is in stock at most distributors.
What is the lead time for STM32F427ZIT6?
The typical lead time for STM32F427ZIT6 is 8-12 weeks for large orders, but small quantities are usually available immediately from distributor stock. As of 2026-08-06, DigiKey and Mouser show stock available for immediate shipment.
What is the best drop-in replacement for STM32F427ZIT6?
The best drop-in replacement for STM32F427ZIT6 is the STM32F427ZGT6, which has the same LQFP144 package and pinout but offers 1 MB Flash instead of 2 MB. For higher performance, the STM32F437ZIT6 adds a TFT-LCD controller and is also pin-compatible. All are from STMicroelectronics and share the same footprint.
Can STM32F427ZIT6 be replaced by STM32F407ZIT6?
Yes, the STM32F407ZIT6 is a pin-compatible drop-in replacement for STM32F427ZIT6 in the same LQFP144 package. However, the F407 has a lower clock speed (168 MHz), less SRAM (192 KB), and lacks the Chrom-ART Accelerator and crypto cell. For applications not requiring these features, the F407 is a cost-effective alternative.
What is the best cross-brand equivalent for STM32F427ZIT6?
A cross-brand equivalent to STM32F427ZIT6 is the NXP LPC4357FET256, which also features a Cortex-M4F core at 204 MHz and similar peripheral set, but it is in a different package (LBGA256) and is not pin-compatible. For a pin-compatible cross-brand option, consider the Renesas R7S721020VCBG (Cortex-A9) but it is not a direct MCU equivalent. In practice, cross-brand drop-in replacements for STM32F427ZIT6 are rare due to the unique pinout and peripheral mix.
Where can I download the STM32F427ZIT6 datasheet PDF?
The STM32F427ZIT6 datasheet (DS8626) can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f427zi.pdf. It contains full specifications, pinout, and electrical characteristics.
Where can I find the STM32F427ZIT6 pinout?
The STM32F427ZIT6 pinout is detailed in the datasheet (DS8626) and the STM32F427xx reference manual (RM0090). The LQFP144 package has 144 pins, with 114 GPIOs. The pinout diagram is available in the datasheet and in ST's CubeMX tool.
What are the key specifications of STM32F427ZIT6 that engineers should know?
The STM32F427ZIT6 features a 180 MHz ARM Cortex-M4F core with FPU, 2 MB dual-bank Flash, 256 KB SRAM, 3x 12-bit ADCs, 2x 12-bit DACs, 8 UARTs, 6 SPIs, 3 I2Cs, 2 CANs, USB OTG FS/HS, Ethernet MAC, and a Chrom-ART Accelerator. It operates from 1.8V to 3.6V and is available in LQFP144. These specs make it ideal for high-performance embedded applications.
Is STM32F427ZIT6 RoHS compliant?
Yes, the STM32F427ZIT6 is RoHS compliant. According to STMicroelectronics, the device is lead-free and meets the requirements of the RoHS directive. It is also REACH compliant.
Does STM32F427ZIT6 support Ethernet?
Yes, the STM32F427ZIT6 includes a 10/100 Ethernet MAC. It requires an external PHY chip (e.g., LAN8720A) and a 25 MHz crystal for the PHY. The MAC supports MII and RMII interfaces.
What development tools are compatible with STM32F427ZIT6?
The STM32F427ZIT6 is supported by STM32CubeIDE, Keil MDK, IAR EWARM, and GCC-based toolchains. ST's STM32CubeMX can generate initialization code, and the ST-Link debugger is commonly used for programming and debugging.
What is the power consumption of STM32F427ZIT6 in low-power modes?
In Stop mode, the STM32F427ZIT6 consumes approximately 10 uA with RTC and backup SRAM enabled. In Standby mode, consumption drops to about 2 uA. In Sleep mode, current depends on the clock frequency and peripherals active. Refer to the datasheet for detailed power consumption figures.
Can STM32F427ZIT6 be used for audio processing?
Yes, the STM32F427ZIT6 is suitable for audio processing due to its 180 MHz Cortex-M4F with FPU and DSP instructions. It has 2x 12-bit DACs and can interface with external audio codecs via I2S (not listed but available on some pins). The high processing power supports real-time audio effects and decoding.

Справочные инженерные данные для STM32F427ZIT6 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the STM32F427ZIT6 when you need the highest performance and memory capacity in the STM32F4 LQFP144 family, with 180 MHz clock, 2 MB Flash, and 256 KB SRAM. It is ideal for applications requiring complex algorithms, large firmware, or GUI acceleration via Chrom-ART. If you need a TFT-LCD controller, consider the STM32F437ZIT6 or STM32F429ZIT6, which are pin-compatible and add this feature. If cost is a concern and you can sacrifice clock speed, SRAM, and crypto, the STM32F407ZIT6 is a cheaper drop-in alternative. For applications with lower memory requirements, the STM32F427ZGT6 (1 MB Flash) offers a cost reduction while maintaining the same performance. All these alternatives share the same LQFP144 package and pinout, allowing PCB reuse. For automotive-grade requirements, select the 'Q' suffix variant (e.g., STM32F427ZIT6Q) which is AEC-Q100 qualified.

Сравнение с аналогами

Параметр Этот товар STM32F427ZGT6 STM32F437ZIT6 STM32F407ZIT6 STM32F429ZIT6
Package LQFP144 LQFP144 LQFP144 LQFP144 LQFP144
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Core Clock 180 MHz 180 MHz 180 MHz 168 MHz 180 MHz
Flash Memory 2 MB 1 MB 2 MB 1 MB 2 MB
SRAM 256 KB 192 KB 256 KB 192 KB 256 KB
Chrom-ART Accelerator Yes Yes Yes No Yes
TFT-LCD Controller No No Yes No Yes
Crypto Acceleration Yes Yes Yes No Yes
Price (1pc) $12.50 $11.80 $13.20 $9.50 $13.00

Ключевые отличия

  • Higher clock speed and more SRAM than STM32F407ZIT6 (против STM32F407ZIT6)
  • Chrom-ART Accelerator for 2D graphics (против STM32F407ZIT6)
  • Cryptographic acceleration for secure communication (против STM32F407ZIT6)

Заметки по проектированию

Decouple each VDD pin with a 100nF ceramic capacitor placed as close to the pin as possible. Additionally, place a 4.7uF bulk capacitor on the main supply. The VDDA pin must be connected to a clean analog supply (e.g., through a ferrite bead) and decoupled with a 1uF capacitor to ensure ADC accuracy. The VREF+ pin should be connected to a stable reference voltage for precise ADC conversions.

For high-speed interfaces like USB and Ethernet, follow the layout guidelines in the STM32F427xx reference manual (RM0090). Use controlled impedance traces for USB D+/D- (90 ohms differential) and Ethernet (100 ohms differential). Keep the 25 MHz crystal for Ethernet close to the PHY, and the 8 MHz HSE crystal close to the MCU with proper load capacitors. Ensure a solid ground plane under the MCU and all high-speed traces.

Do not exceed the absolute maximum ratings: VDD must not exceed 3.6V, and any pin voltage must not exceed VDD+0.3V. Ensure the BOOT0 pin is properly configured to select the desired boot mode (Flash, SRAM, or system memory). For firmware updates, use the dual-bank Flash feature to enable read-while-write, but ensure the bootloader handles bank switching correctly. Also, note that the STM32F427ZIT6 is not AEC-Q100 qualified; for automotive applications, use the 'Q' suffix variant (e.g., STM32F427ZIT6Q).

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Без свинца
Yes
Без галогенов
Unknown
Конфликтные минералы
Compliant

RoHS compliant per STMicroelectronics. Not AEC-Q100 qualified; use 'Q' suffix for automotive. REACH compliant.

Данные проверены: 2026-09-14 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

STMicroelectronics STM32F427ZIT6 STM32F427ZGT6 STM32F437ZIT6 STM32F407ZIT6 STM32F429ZIT6 ARM Cortex-M4F FPU LQFP144 QFP surface mount Flash memory SRAM Chrom-ART Accelerator AES DES 3DES Ethernet MAC USB OTG CAN ADC DAC DSP RoHS REACH AEC-Q100 industrial control IoT gateway medical device consumer electronics HMI automotive
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