STMicroelectronics

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

MPN: STM32F427ZIT6 ✓ نشط
1.8 V to 3.6 V Vdss LQFP144 (20x20 mm) Package 180 MHz Speed 2 MB (dual-bank) Memory
الحد الأدنى للطلب: 1 |

STM32F427ZIT6 نظرة عامة

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).

بدائل مباشرة لـ STM32F427ZIT6 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.

الطرازات في هذه السلسلة

طرازات من نفس السلسلة متوافقة تمامًا مع STM32F427ZIT6 (نفس عامل الشكل والبصمة) — يختلف في Package, Core, SRAM, 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)
قارن مع 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)
قارن مع 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)
قارن مع STM32F427ZIT6 →
STMicroelectronics
Core: ARM Cortex-M4 with FPU
Timers: 12x 16-bit, 2x 32-bit
قارن مع STM32F427ZIT6 →
STMicroelectronics
Package: 144-LQFP (20x20 mm)
Core: ARM Cortex-M4 32-bit with FPU
SRAM: 384 KB
قارن مع STM32F427ZIT6 →

STM32F427ZGT6

✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها
📦 LQFP144
Same package and pinout, but 1 MB Flash instead of 2 MB

📋 بديل مرجعي (غير موجود في الكتالوج)

STM32F437ZIT6

✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها
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

تواصل لمعرفة السعر

عرض ورقة البيانات ←

STM32F407ZIT6

✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها
📦 LQFP144
Lower clock (168 MHz), less SRAM (192 KB), no Chrom-ART or crypto

📋 بديل مرجعي (غير موجود في الكتالوج)

STM32F429ZIT6

✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها
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

تواصل لمعرفة السعر

عرض ورقة البيانات ←
ℹ️ 1 تم إخفاء قطعة/قطع من حزمة مختلفة — تتطلب الحزمة المختلفة إعادة عمل PCB وليست بديلًا مباشرًا حقيقيًا. تواصل معنا إذا كنت بحاجة إلى اقتراحات لحزم بديلة.

STM32F427ZIT6 الحدود القصوى والخصائص الكهربائية

Core ARM Cortex-M4F with FPU
Maximum Clock Speed 180 MHz
Flash Memory 2 MB (dual-bank)
SRAM 256 KB
جهد التغذية 1.8 V to 3.6 V
درجة حرارة التشغيل -40C to +85C
العلبة 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

تكوين أطراف STM32F427ZIT6

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

التطبيقات النموذجية

STM32F427ZIT6 مناسب لـ 6 التطبيقs: 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.

ملخص المنتجات الموصى بها

IR2104 Gate driver for MOSFET half-bridge يُستخدم في: Industrial Control Systems ACS712 Allegro MicroSystems يُستخدم في: Industrial Control Systems LAN8720A Ethernet PHY for MAC interface يُستخدم في: IoT Gateways ESP8266 Wi-Fi module for wireless connectivity يُستخدم في: IoT Gateways ADS1298 Analog front-end for ECG يُستخدم في: Medical Devices LM75 Temperature sensor for patient monitoring يُستخدم في: Medical Devices WM8731 Audio codec for audio input/output يُستخدم في: Consumer Electronics FT5336 Capacitive touch controller for HMI يُستخدم في: Consumer Electronics FT5x06 Capacitive touch controller يُستخدم في: Human-Machine Interface (HMI) SSD1963 Solomon Systech يُستخدم في: Human-Machine Interface (HMI) TJA1050 NXP Semiconductors يُستخدم في: Automotive Electronics LM2596 DC-DC converter for power supply يُستخدم في: Automotive Electronics
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.

بيانات مرجعية هندسية لـ STM32F427ZIT6 — المقارنة وإرشادات التصميم ومعلومات الامتثال.

دليل الاختيار

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.

المقارنة مع البدائل

المعامل هذا المنتج 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

أبرز الفروقات

  • Higher clock speed and more SRAM than STM32F407ZIT6 (مقابلSTM32F407ZIT6)
  • Chrom-ART Accelerator for 2D graphics (مقابلSTM32F407ZIT6)
  • Cryptographic acceleration for secure communication (مقابلSTM32F407ZIT6)

ملاحظات التصميم

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).

معلومات الامتثال

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
خالٍ من الرصاص
Yes
خالٍ من الهالوجين
Unknown
المعادن المتنازع عليها
Compliant

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

تم التحقق من البيانات في: 2026-09-14 — تم التحقق من البيانات وتنسيقها بواسطة فريق هندسة المكونات في XAIPART

عمليات بحث ذات صلة

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المكونات والمصطلحات ذات الصلة

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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