STM32F427ZIT7 - 180MHz Cortex-M4 2MB MCU | STMicroelectronics
Référence : STM32F427ZIT7 ✓ ActifSTM32F427ZIT7 Présentation
A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and communication interfaces on one device. The STM32F4 MCU family belongs to the Arm Cortex-M microcontroller hierarchy and provides real-time control capabilities for embedded products. Its combination of computational performance, external-interface options, and package density makes the STM32F427ZIT7 suitable for complex control systems rather than basic indicator or logic-only products.
Core features include the 32-bit Cortex-M4 processor operating at up to 180 MHz, a single-precision FPU, adaptive real-time accelerator support, DSP instructions, and an MPU. The processor is rated at 225 DMIPS, equivalent to 1.25 DMIPS/MHz under Dhrystone 2.1. Its 2 MB Flash configuration provides substantially more program storage than the 1 Mbyte variant associated with STM32F429ZIT6, making the STM32F427ZIT7 preferable when firmware, code libraries, graphics data, or protocol stacks require additional space.
The device integrates extensive connectivity and control peripherals for transferring data and driving external hardware. Its architecture supports both high-speed serial communication and general-purpose control functions, allowing a single MCU to coordinate sensors, memory, human-interface devices, and actuators. The 144-LQFP package provides a large pin count for systems requiring numerous I/O functions, while its 20 mm by 20 mm body remains practical for industrial control boards, data-acquisition equipment, and embedded gateways.
Typical applications include industrial automation controllers, communications equipment, test and measurement instruments, medical monitoring systems, and embedded human-machine interfaces. The 180 MHz Cortex-M4 core is useful for protocol processing, signal-chain supervision, and real-time system management, while the 2 MB Flash capacity allows more complete firmware and application logic to be consolidated into the MCU.
Designers should select decoupling, clock, reset, and programming interfaces directly from the manufacturer pin-description table for the exact 144-LQFP device. The LQFP footprint requires adequate solderable pin length for inspection and rework, while high-speed communications and external memory interfaces demand controlled return paths. Firmware should also be validated for clock, cache, voltage, and peripheral configurations used by the finished equipment.
This page combines the principal device specifications with package guidance, application-specific engineering context, and a parameter-by-parameter comparison against same-package STM32 family members. It helps engineers distinguish memory capacity, temperature grade, and timer-ADC features before deciding whether the STM32F427ZIT7 is the correct variant for a new embedded design.
Alternatives de remplacement direct pour STM32F427ZIT7 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM32F427ZIT7 (même facteur de forme et même empreinte) — différant par Package, Flash Memory, Mounting Type, ADC, Core.
STM32F429ZIT7
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →STM32F429ZIT6
✅ Remplacement direct✗ Rupture de stock
$11.4 / unité
Voir la fiche technique →STM32F429ZIT6TR
✅ Remplacement direct✗ Rupture de stock
$11.4 / unité
Voir la fiche technique →STM32F427ZIT6
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →STM32F429ZGT7
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32F427ZIT7 Valeurs maximales et caractéristiques électriques
| Product Type | 32-bit ARM Cortex-M4 microcontroller |
| Processor Core | Arm Cortex-M4 with single-precision FPU |
| Maximum CPU Frequency | 180 MHz |
| Architecture | 32-bit RISC |
| Flash Memory | 2 MB (2M x 8 bits) |
| Flash Memory Organization | 2M x 8 bits |
| Operating Performance | 225 DMIPS at 180 MHz |
| Dhrystone Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Floating-Point Unit | Single precision |
| DSP Support | Arm Cortex-M4 DSP instruction set |
| Memory Protection Unit | MPU included |
| Program Acceleration | ART Accelerator with 0-wait-state Flash execution |
| Boîtier | 144-LQFP |
| Package Body Size | 20 mm x 20 mm |
| Type de montage | Surface mount |
| Nombre de broches | 144 pins |
Guide de configuration des broches du STM32F427ZIT7 20 mm x 20 mm
Configuration des broches du STM32F427ZIT7 (boîtier 20 mm x 20 mm). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour STM32F427ZIT7.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
STM32F427ZIT7 convient pour 6 applications: Industrial Automation Controller, Data-Acquisition and Measurement System, Industrial Communications Gateway, Medical Monitoring Equipment, Test and Measurement Instrument, Embedded Human-Machine Interface.
Industrial Automation Controller
The STM32F427ZIT7 fits industrial automation controllers because its 180 MHz Cortex-M4 core, single-precision FPU, DSP instructions, and MPU can supervise real-time control tasks while handling communication and sensor processing. The 2 MB Flash capacity provides room for embedded protocol stacks, motion-control routines, diagnostics, and field-upgrade logic without immediately requiring external program memory. Its 144-LQFP package also exposes a large number of signals for digital I/O, timers, communications, and external control interfaces. The final controller should use the manufacturer pin table to allocate buses and I/O, while validating supply tolerance, temperature grade, ESD protection, and isolation requirements for its industrial environment.
Recommandé
Data-Acquisition and Measurement System
The STM32F427ZIT7 is suitable for a data-acquisition front end that must combine sensor conditioning, digital sampling coordination, calibration, and host communication. Its Cortex-M4 core operates up to 180 MHz and includes single-precision floating-point and DSP instructions for filtering and numerical work, while the MPU supports isolated memory regions for protected code and data. The 2 MB Flash capacity can hold measurement algorithms, lookup tables, configuration handling, and communication firmware in one device. In implementation, use the manufacturer timing tables to select ADC, timer, and DMA operating modes, and account for analog noise, reference stability, and the converter's acquisition time rather than relying on CPU frequency alone.
Recommandé
Industrial Communications Gateway
The STM32F427ZIT7 is appropriate for a communications gateway that must manage serial links, local control functions, protocol conversion, and network-facing processing. Its 180 MHz Cortex-M4 core provides real-time execution for packet handling and service tasks, while the ART Accelerator supports efficient Flash-based execution and the 2 MB Flash capacity accommodates protocol stacks and gateway firmware. The 144-LQFP package offers extensive I/O for multiple serial interfaces, indicators, reset control, and status signaling. A robust implementation should separate real-time traffic from supervisory tasks, isolate high-current transceiver and protection components from sensitive logic, and verify every peripheral and alternate-function assignment in the manufacturer pin-description table.
Recommandé
Medical Monitoring Equipment
The STM32F427ZIT7 can support medical monitoring equipment where a compact controller must coordinate sensors, user interfaces, logging, and safety-related control tasks. The Cortex-M4 FPU and DSP instructions accelerate arithmetic and filtering, the MPU provides hardware mechanisms for memory isolation, and the 2 MB Flash capacity holds algorithms, UI resources, event logs, and update logic. The 144-LQFP package allows numerous peripheral connections without moving to a very dense BGA footprint. For medical use, engineers must establish the applicable risk controls, electrical-safety boundaries, creepage and isolation requirements, and validated firmware process; the component specification alone does not determine medical-system compliance.
Recommandé
Test and Measurement Instrument
The STM32F427ZIT7 is a strong fit for test and measurement instruments requiring real-time control, substantial firmware, and a broad package pin count. Its 180 MHz Cortex-M4 core can manage acquisition sequencing, numerical processing, and instrument state, while the single-precision FPU and DSP instructions accelerate filtering and transformations. The 2 MB Flash capacity permits embedded menus, calibration constants, signal-processing routines, communication protocols, and test sequences to coexist. Designers should use timer and DMA synchronization for deterministic acquisition, validate analog reference accuracy separately, and isolate high-voltage or high-current stages from the MCU. External flash, memory, and communication components remain appropriate when a specific instrument requires data volume beyond the internal program store.
Recommandé
Embedded Human-Machine Interface
The STM32F427ZIT7 can serve as the central controller for a graphical or touchscreen human-machine interface because it combines 180 MHz processing, 2 MB of Flash, DSP capability, and a large 144-LQFP pin count. The processor can run interface state logic and graphics-related tasks while handling communications to sensors and process equipment. Its MPU can separate interface code from protected control functions, and the ART Accelerator improves code execution from Flash. The implementation should account for display interface timing, touch-controller signaling, memory bandwidth, and the difference between MCU internal execution and any external graphics controller. Use the exact package pin assignment and manufacturer timing characteristics when laying out display, button, and communications connections.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32F427ZIT7 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32F429ZIT7 | STM32F429ZIT6 | STM32F429ZIT6TR | STM32F427ZIT6 | STM32F429ZGT7 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 144-LQFP (20 mm x 20 mm) | 144-LQFP (20 mm x 20 mm) | 144-LQFP (20 mm x 20 mm) | 144-LQFP (20 mm x 20 mm) | 144-LQFP (20 mm x 20 mm) | 144-LQFP (20 mm x 20 mm) |
| CPU Core | Arm Cortex-M4 with single-precision FPU | Arm Cortex-M4 with single-precision FPU | Arm Cortex-M4 with single-precision FPU | Arm Cortex-M4 with single-precision FPU | Arm Cortex-M4 with single-precision FPU | Arm Cortex-M4 with single-precision FPU |
| Maximum CPU Frequency | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 180 MHz |
| Dhrystone Performance | 225 DMIPS at 180 MHz; 1.25 DMIPS/MHz | 225 DMIPS at 180 MHz; 1.25 DMIPS/MHz | 225 DMIPS at 180 MHz; 1.25 DMIPS/MHz | 225 DMIPS at 180 MHz; 1.25 DMIPS/MHz | 225 DMIPS at 180 MHz; 1.25 DMIPS/MHz | 225 DMIPS at 180 MHz; 1.25 DMIPS/MHz |
| DSP and FPU Support | Cortex-M4 DSP instructions and single-precision FPU | Cortex-M4 DSP instructions and single-precision FPU | Cortex-M4 DSP instructions and single-precision FPU | Cortex-M4 DSP instructions and single-precision FPU | Cortex-M4 DSP instructions and single-precision FPU | Cortex-M4 DSP instructions and single-precision FPU |
| ART Accelerator | Included | Included | Included | Included | Included | Included |
| Temperature and Ordering Grade | T7 ordering grade | T7 ordering grade | T6 ordering grade | T6TR ordering and reel designation | T6 ordering grade | T7 ordering grade |
Principaux différenciateurs
- Twice the Flash capacity of the 1 MB alternatives (vs STM32F429ZIT6)
- Highest-frequency execution within the compared STM32F4 candidates (vs STM32F429ZIT7)
- Dedicated 144-pin integration for I/O-rich control systems (vs STM32F429ZIT6TR)
Notes de conception
Route the STM32F427ZIT7 power and ground connections directly from the manufacturer pin-description table and keep the high-frequency return path beneath the device as short as practical. Place required decoupling capacitors at the associated supply pins rather than distributing them uniformly around the board. Leave clearances appropriate to the board fabrication process, inspectability, and any high-voltage isolation boundary. The 144-LQFP footprint also needs uninterrupted soldering along all 144 leads, so verify stencil aperture design and paste volume during assembly trials.
Separate high-speed communication and external-memory signals from analog inputs and sensitive references. Use the manufacturer timing and pin-alternate-function tables to select signal routing, and avoid unnecessary right-angle transitions on clocks, differential pairs, and other high-speed interfaces. Keep the oscillator and decoupling network close to the relevant pins, maintain a quiet return path, and confirm that test points do not introduce unwanted loading. Firmware configuration must match the physical clock tree and any external memory interface used by the board.
Do not treat a shared 144-LQFP footprint as proof that every STM32F4 ordering code is functionally interchangeable. Check Flash capacity, temperature grade, ADC and timer features, pin functions, errata, and supported firmware configuration before substitution. The STM32F429ZIT6 and STM32F429ZIT6TR candidates have 1 MB Flash, half the program storage of the 2 MB STM32F427ZIT7, so firmware linking and boot-loader space must be re-evaluated before approval.
Use the manufacturer current-consumption and clock-configuration tables to size the regulator, decoupling network, and power budget. Account for startup, I/O drive, Flash execution, active peripherals, and the worst ambient temperature rather than relying only on typical idle current. If the board powers external loads or communication transceivers from an MCU-adjacent regulator, separate those loads from sensitive logic and include the correct local bulk capacitance required by those circuits.
Informations de conformité
Compliance declarations were not identified in the manufacturer and distributor records used for this product. Confirm RoHS, REACH, automotive qualification, lead-free, halogen-free, and conflict-minerals status for the exact ordering code with the manufacturer before release.