STMicroelectronics STM32F217IET6
- Part No.:
- STM32F217IET6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
STM32F217IET6.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 176LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
STM32F217IET6 from STMicroelectronics is a production-grade ARM® Cortex®-M3 microcontroller delivering 150 DMIPS at 120 MHz, featuring 512 KB Flash, 128+4 KB SRAM, hardware AES/SHA crypto acceleration, dual USB OTG (FS + HS), and integrated 10/100 Ethernet MAC with IEEE 1588v2 support. It serves as a high-integration system controller in industrial gateways requiring secure connectivity, real-time networking, and camera interface capability.
For engineers reviewing the STM32F217IET6 datasheet, STM32F217IET6 pinout, STM32F217IET6 application, or STM32F217IET6 equivalent, key selection considerations include its LQFP176 package with 138 5 V-tolerant I/Os, triple 12-bit ADCs (6 MSPS interleaved), dual CAN 2.0B interfaces, and dedicated DCMI supporting up to 48 MB/s parallel camera input - all validated for deterministic real-time control and secure edge processing.
Technical Context
The STM32F217IET6 integrates an Adaptive Real-time Accelerator (ART Accelerator™) enabling zero-wait-state execution from Flash memory, paired with a Memory Protection Unit (MPU) for robust task isolation in RTOS environments. Its multi-AHB bus matrix concurrently services CPU, DMA, and peripheral accesses without contention.
It implements two independent USB controllers: OTG_FS with on-chip full-speed PHY and OTG_HS with ULPI interface and dedicated DMA, plus a fully featured Ethernet MAC supporting MII/RMII and hardware timestamping per IEEE 1588v2 - enabling precise time-synchronized industrial communication stacks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 @ 120 MHz, 150 DMIPS, ART Accelerator enabled for zero-wait-state Flash execution |
| Memory | 512 KB Flash (user-programmable), 128 KB + 4 KB SRAM, 512 B OTP, flexible static memory controller (FSMC) for NAND/NOR/PSRAM |
| Analog Peripherals | Three 12-bit ADCs (24-channel total, 6 MSPS in triple interleaved mode), two 12-bit DACs, temperature sensor, true RNG |
| Connectivity | Dual CAN 2.0B, USB OTG FS + HS, 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping, SDIO, DCMI (48 MB/s) |
| Timers & Control | Up to 17 timers including two 32-bit general-purpose, twelve 16-bit, two basic (TIM6/TIM7), advanced-control (TIM1/TIM8) with PWM/complementary outputs |
| I/O & Power | 138 5 V-tolerant I/Os, 1.8–3.6 V supply, Sleep/Stop/Standby low-power modes, VBAT backup for RTC + 20×32-bit registers + optional 4 KB SRAM |
Pinout & Package
LQFP176 (24 × 24 mm, 0.5 mm pitch) package with exposed thermal pad; 176-pin quad flat pack optimized for high I/O count and thermal dissipation in industrial control and gateway applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Core and I/O power rails; requires external 100 nF + 4.7 µF decoupling per VDD pair |
| VCAP1, VCAP2 | Internal regulator bypass | Must connect 2.2 µF ceramic capacitors to stabilize internal 1.2 V regulator output |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; supports external push-button or supervisor IC assertion |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 138 pins are 5 V-tolerant; configurable as GPIO, AF functions (UART, SPI, I2C, CAN, USB, Ethernet), or analog inputs |
| PH0/PH1 | HSE oscillator input/output | Supports 4–26 MHz crystal; essential for precise clock generation and USB/Ethernet timing compliance |
| PC11–PC12, PD0–PD7 | DCMI data bus | 8-bit parallel camera interface (can be extended to 14-bit); supports embedded sync (VSYNC/HSYNC/PCLK) and frame capture triggers |
| PA1–PA7, PB12–PB13 | Ethernet MAC signals | MII/RMII interface pins (TXD0–TXD3, RXD0–RXD3, TX_EN, CRS_DV, REF_CLK, etc.) - require controlled-impedance PCB routing |
| PA11/PA12, PB14/PB15 | USB OTG FS/HS physical layer | PA11/PA12 = FS D+/D− with on-chip transceiver; PB14/PB15 = ULPI data bus for HS PHY interface |
Key Features
| Feature | Design Value |
|---|---|
| Hardware crypto engine | AES-128/192/256, Triple DES, MD5, SHA-1 acceleration + analog true RNG - enables TLS 1.2 handshake in <100 ms and secure firmware updates |
| IEEE 1588v2 Ethernet MAC | Hardware timestamping with sub-100 ns resolution on transmit/receive frames - critical for time-sensitive networking (TSN) and industrial PLC synchronization |
| ART Accelerator™ | Eliminates Flash wait states at 120 MHz, achieving 1.25 DMIPS/MHz performance without external cache or SRAM code relocation |
| Flexible static memory controller (FSMC) | Direct interface to NOR/NAND flash, PSRAM, and LCD modules with programmable timing - supports boot-from-NAND and external display buffers |
| Dual USB OTG support | Simultaneous FS device/host and HS device/host operation via separate PHYs - enables embedded host for USB peripherals while acting as HS device to PC |
Applications
| Industrial Ethernet Gateway | Secure Edge Node |
|---|---|
Use Scenario: Protocol translation between Modbus TCP, EtherNet/IP, and fieldbus networks in factory automation. IC Role / Device Role / Timing Role: Central protocol stack processor with IEEE 1588v2 hardware timestamping for deterministic cycle synchronization across distributed I/O. Use Value: Eliminates need for external PHY or timing co-processor; reduces BOM cost by integrating crypto, Ethernet, and dual USB in one die. |
Use Scenario: Remote monitoring node with encrypted sensor data upload via TLS over cellular or Wi-Fi. IC Role / Device Role / Timing Role: Secure MCU handling certificate-based authentication, AES-GCM encryption, and RNG-driven key generation. Use Value: Hardware crypto cuts TLS handshake latency by >60% vs. software-only implementation; 4 KB backup SRAM retains keys during brownout. |
| HD Camera-Based Inspection System | Multi-Protocol Industrial Controller |
Use Scenario: Real-time visual quality inspection on production lines using CMOS image sensors. IC Role / Device Role / Timing Role: DCMI interface captures 720p@30 fps video; dual CAN and Ethernet enable sensor fusion and HMI integration. Use Value: 48 MB/s DCMI bandwidth supports raw Bayer data streaming; triple ADCs monitor analog sensor feedback alongside vision processing. |
Use Scenario: Compact PLC with motion control, HMI, and cloud connectivity in packaging machinery. IC Role / Device Role / Timing Role: Real-time task scheduler managing PWM motor drives (via TIM1/TIM8), CANopen slave, and web server over Ethernet. Use Value: 17 timers provide independent PWM channels for multi-axis control; 138 5 V-tolerant I/Os simplify direct connection to industrial sensors and actuators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance ARM Cortex-M3 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F427VIT6 | Higher clock (180 MHz), FPU, larger Flash (2 MB), no IEEE 1588v2 Ethernet MAC, no DCMI | Better for floating-point math (motor control, audio), but lacks hardware timestamping and camera interface | Select when FPU or larger code space is required; avoid if IEEE 1588 or DCMI are mandatory |
| STM32H743VIT6 | Cortex-M7 core (480 MHz), dual-core option, TCM RAM, no native DCMI, Ethernet with PTP v2 (not IEEE 1588v2) | Targeted at AI inference and high-throughput networking; higher power and cost; no parallel camera support | Choose for future-proofing with Cortex-M7 and advanced security; not drop-in compatible due to peripheral mapping and voltage requirements |
Compared with STM32F217IET6, the STM32F427VIT6 trades IEEE 1588v2 and DCMI for FPU and Flash capacity, while the STM32H743VIT6 shifts focus to compute density and modern PTP - making the F217 uniquely suited for time-critical vision+networking edge nodes where legacy interface compatibility and deterministic timestamping are non-negotiable.
Availability
STM32F217IET6 is available at Aetrix Electronics and suitable for industrial gateways, secure edge IoT nodes, HD machine vision systems, and multi-protocol PLCs requiring stable component supply across long-lifecycle deployments.
Supply support for STM32F217IET6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, power management, sensors, and automotive ICs with vertical manufacturing and broad industrial IP portfolio.
The STM32F2 series targets high-end industrial and networking applications demanding cryptographic security, real-time Ethernet, and rich peripheral integration - designed specifically for gateway, control, and edge intelligence roles where reliability and interface breadth outweigh raw compute throughput.
FAQ
What is the maximum operating frequency and performance metric of the STM32F217IET6?
The STM32F217IET6 operates at up to 120 MHz with an ARM Cortex-M3 core, delivering 150 DMIPS measured under Dhrystone 2.1 benchmark. Its Adaptive Real-time Accelerator (ART Accelerator™) ensures zero-wait-state execution from Flash memory, achieving consistent 1.25 DMIPS/MHz efficiency without external cache or SRAM code relocation.
Does the STM32F217IET6 support hardware-accelerated cryptography, and which algorithms are implemented?
Yes - it integrates a dedicated cryptographic processor supporting AES-128/192/256 encryption/decryption, Triple DES, MD5, and SHA-1 hash functions. It also includes an analog true random number generator (RNG) compliant with NIST SP800-90, enabling FIPS-compliant key generation and TLS 1.2 session establishment in under 100 ms.
What Ethernet capabilities does the STM32F217IET6 provide, and is IEEE 1588v2 supported in hardware?
The device features a full 10/100 Ethernet MAC with dedicated DMA, supporting both MII and RMII physical interfaces. Crucially, it implements IEEE 1588v2 hardware timestamping with sub-100 ns resolution on transmit and receive frames - enabling precise time-synchronization for industrial TSN, PLC coordination, and precision motion control without external timestamping ICs.
Can the STM32F217IET6 interface directly with parallel CMOS image sensors, and what is the maximum data rate?
Yes - it includes an 8- to 14-bit Digital Camera Interface (DCMI) supporting up to 48 MB/s throughput. This allows direct connection to OV5640, MT9V034, and similar parallel-output CMOS sensors at resolutions up to 720p@30 fps in raw Bayer format, with hardware support for VSYNC, HSYNC, PCLK, and embedded data capture triggers.
STM32F217IET6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 176-LQFP
- Series:
- STM32F2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, Ethernet, I2C, IrDA, LINbus, Memory Card, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 140
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 132K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 24x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F217IET6 FAQ
1.How can I place an order for STM32F217IET6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F217IET6 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32F217IET6 reliable?
The price and inventory of STM32F217IET6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F217IET6 is usually 5 days.
3.What payment methods are accepted for STM32F217IET6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F217IET6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F217IET6?
STM32F217IET6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F217IET6 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32F217IET6?
For technical support, including STM32F217IET6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F217IET6 requirements.
6.How does Aetrix verify that STM32F217IET6 is sourced from the original manufacturer or authorized distributors?
All STM32F217IET6 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32F217IET6 meets industry standards.
7.What is the process for return or replacement of STM32F217IET6?
All STM32F217IET6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F217IET6, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32F217IET6 part is unused and in its original packaging.
Return procedure for STM32F217IET6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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