STM32F207IET6 - 120MHz Cortex-M3 MCU with 512KB Flash | STMicroelectronics
부품 번호: STM32F207IET6 ✓ 활성STM32F207IET6 개요
A microcontroller is a programmable system-on-chip that integrates a CPU core, Flash memory, SRAM, peripheral interfaces, timers, and analog conversion blocks into one component. In the product hierarchy, the STM32F207IET6 is a 32-bit embedded microcontroller, a Cortex-M3-based microcontroller, and an STMicroelectronics STM32 family device designed for connected industrial, communications, and embedded-control equipment.
Principal features include a 120 MHz ARM Cortex-M3 core, execution reaching 150 DMIPS or 1.25 DMIPS/MHz under Dhrystone 2.1 conditions, and an ART Accelerator that permits zero-wait-state execution from Flash memory. The device provides 512 KB of Flash, 132 KB of SRAM as reported for this package, and a hardware memory protection unit. Its communication resources include Ethernet, USB OTG high-speed and full-speed operation, camera connectivity, and multiple communication interfaces.
Three 12-bit ADCs, 17 timers, and 15 communication interfaces support motor-control, sensing, and real-time data acquisition designs. The STM32F2 architecture is suitable for applications requiring higher peripheral density than entry-level Cortex-M devices while retaining the familiar ARM Cortex-M programming model, exception architecture, and ecosystem of development tools.
Typical uses include industrial Ethernet controllers, USB-connected data acquisition equipment, camera-based inspection systems, networked embedded products, and industrial automation modules. The large 176-LQFP footprint exposes substantially more I/O than smaller microcontroller packages, making the device appropriate where parallel sensor inputs, actuator outputs, communications, and multiple analog channels must coexist on one board.
When laying out a board, treat all 176 package leads as a dense fine-pitch fanout and route decoupling close to the supply pins. Preserve the reference-design decoupling values, provide clean analog and digital return paths, and verify that the external crystal, memory, and interface networks match the manufacturer reference schematics. Firmware changes should also be validated because alternative Cortex-M devices can use different peripheral registers even when the package is physically interchangeable.
This page combines manufacturer-style technical specifications, verified package and memory details, drop-in candidate analysis, interface-specific application guidance, and practical design notes. It also distinguishes physical compatibility from software compatibility, an important consideration when selecting a second source for an STM32F2 design.
드롭인 대체품: STM32F207IET6 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: STM32F207IET6 (동일 폼 팩터 및 풋프린트) — 차이점: Package, Maximum CPU Frequency, Mounting Type, Core, Number of I/O Pins.
STM32F207ICT6
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
STM32F217IET6
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
STM32F217IGT6
✅ 드롭인가격 문의
데이터시트 보기 →STM32F745IET6
✅ 드롭인가격 문의
데이터시트 보기 →STM32F207IET6 최대 정격 & 전기적 특성
| Product Type | 32-bit ARM Cortex-M3 Microcontroller |
| Series | STM32F2 |
| Maximum CPU Frequency | 120 MHz |
| Core | ARM 32-bit Cortex-M3 |
| Program Memory Size | 512 KB (512K x 8) Flash |
| RAM Size | 132K x 8 |
| Number of I/O Pins | 140 |
| 패키지 | 176-LQFP (24x24) |
| 실장 유형 | Surface Mount |
| Performance | 150 DMIPS / 1.25 DMIPS/MHz |
| Benchmark | Dhrystone 2.1 |
| Flash Execution | 0-wait state with ART Accelerator |
| ADC Quantity | 3 |
| Timer Quantity | 17 |
| Communication Interfaces | 15 |
| Connectivity | Ethernet MAC, USB OTG HS/FS, camera interface |
| Memory Protection Unit | Yes |
| 공급 전압 | 2.5 V / 3.3 V |
STM32F207IET6 176-lqfp (24x24) 핀 구성 가이드
STM32F207IET6(176-lqfp (24x24) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: STM32F207IET6.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
STM32F207IET6 적합 용도: 6 애플리케이션s: Industrial Ethernet Control, USB Data Acquisition Equipment, Machine Vision and Inspection, Motor and Encoder Control, Connected Embedded Gateway, Multi-Channel Sensor Node.
Industrial Ethernet Control
The STM32F207IET6 fits industrial Ethernet controllers because it combines an integrated Ethernet MAC with a 120 MHz Cortex-M3 core and 17 timers. The 176-LQFP package exposes 140 I/O, leaving ample pins for digital inputs, encoder interfaces, discrete outputs, and status indicators. Ethernet and USB connectivity can share the same processor, while three ADCs support analog supervision. Follow the manufacturer reference schematic for the Ethernet PHY, magnetic-interface components, clock source, and decoupling.
추천
USB Data Acquisition Equipment
USB OTG high-speed and full-speed support makes the STM32F207IET6 appropriate for connected measurement and laboratory equipment. Three ADCs can acquire analog sensor channels, while 17 timers support precise sampling intervals and motor or actuator timing. The 512 KB Flash and 132K x 8 RAM provide room for protocol stacks and buffering, and the ART Accelerator supports zero-wait-state Flash execution at the 120 MHz maximum clock. Validate USB impedance routing and power distribution early in the layout.
추천
Machine Vision and Inspection
The camera interface and large I/O count suit machine-vision controllers, inspection equipment, and automated imaging systems. The 120 MHz Cortex-M3 core can coordinate image capture, sensor fusion, exposure timing, and actuator control, while Ethernet supports upstream transfer to a host or industrial network. With 140 I/O and a 176-LQFP footprint, the device also accommodates trigger inputs, encoder signals, and pneumatic or motorized axes. Validate camera timing, memory bandwidth, and connector placement in the reference design.
추천
Motor and Encoder Control
Seventeen timers and 140 I/O make the STM32F207IET6 a strong controller for stepper, servo, or encoder-feedback systems. The high-performance timer resources support pulse-width modulation, input capture, and periodic control tasks, while three ADCs can monitor current or analog feedback channels. Ethernet or USB can provide configuration and diagnostics without slowing the real-time control loop. Keep control-loop timing deterministic by using timer-triggered sampling and carefully placed ground returns.
추천
Connected Embedded Gateway
The STM32F207IET6 can serve as a compact communications gateway between local serial equipment and Ethernet or USB. Fifteen communication interfaces and 140 I/O allow several protocol ports to coexist, while the 512 KB Flash accommodates networking firmware and a 120 MHz core supports protocol processing. The STM32F2 memory-protection unit can isolate critical tasks or firmware regions. Use an isolated Ethernet path where the equipment crosses a high-noise industrial environment.
추천
Multi-Channel Sensor Node
Three ADCs, numerous timers, and extensive GPIO allow the STM32F207IET6 to supervise multiple analog and digital sensor channels. It is useful for environmental monitoring, process instrumentation, and condition-monitoring nodes that must also forward measurements over Ethernet or USB. The 176-LQFP package provides enough pin access for channel multiplexing and isolated communications, while 132K x 8 RAM supports local buffering. Separate analog and digital return paths to limit converter noise in measured signals.
추천
추천 제품 요약
엔지니어링 참조 데이터: STM32F207IET6 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | STM32F207ICT6 | STM32F217IET6 | STM32F217IGT6 | STM32F745IET6 |
|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 176-LQFP (24x24) | 176-LQFP | 176-LQFP | 176-LQFP | 176-LQFP |
| Program Memory | 512 KB Flash | 512 KB Flash | Up to 1 MB Flash | 1 MB Flash | 512 KB Flash |
주요 차별점
- Closest same-platform option with the same listed memory class and package footprint (vs STM32F207ICT6)
- Higher Flash capacity for expanded firmware (vs STM32F217IGT6)
- Higher processor generation with a larger I/O footprint (vs STM32F745IET6)
- Large I/O and analog resource count for mixed-signal equipment (vs STM32F207ICT6)
설계 노트
The 176-LQFP footprint has a 0.5 mm lead pitch, so fanout routing and assembly inspection become the primary layout risks. Follow the manufacturer land pattern and keep decoupling capacitors adjacent to the corresponding supply pins rather than sharing distant bulk capacitance. Place the boot, debug, reset, and clock nets so they remain accessible for programming and production test.
Use separate return paths for analog and digital sections, especially around the three ADCs and Ethernet interface. Connect analog ground to the main ground plane at a controlled location, keep switching or Ethernet circuitry away from precision analog inputs, and follow the reference schematic for the analog supply filter. Validate crosstalk and ADC noise on the final multilayer board.
A matching package does not guarantee a drop-in firmware substitution. Before replacing the STM32F207IET6, compare the startup file, vector table, peripheral register map, clock tree, DMA channels, timer assignments, Ethernet and USB pin mapping, and peripheral library version. Also confirm that the alternative's supply pins, bootstrap settings, and exposed grounds satisfy its own datasheet.
The device supports 2.5 V and 3.3 V supply configurations, but the correct internal regulator, external decoupling, and analog reference arrangement must be copied from the manufacturer application circuit. Check the voltage applied to every I/O because directly connected external interfaces must not exceed the selected I/O voltage range.
규정 준수 정보
The manufacturer datasheet and product page should be consulted for the authoritative declarations of substance, environmental, and automotive qualifications. This general-purpose STM32F2 microcontroller is not identified as an AEC-Q100 automotive-qualified device.
