STMicroelectronics STM32F215RET6TR
- Part No.:
- STM32F215RET6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32F215RET6TR.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,899
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32F215RET6TR from STMicroelectronics is a 32-bit ARM Cortex-M3 microcontroller with 512 KB Flash, 128+4 KB SRAM, hardware crypto acceleration (AES-128/192/256, SHA-1, MD5), USB OTG HS/FS, 10/100 Ethernet MAC, and dual CAN 2.0B interfaces - deployed in industrial gateways requiring secure connectivity and real-time protocol bridging.
For engineers reviewing the STM32F215RET6TR datasheet, STM32F215RET6TR pinout, STM32F215RET6TR application, or STM32F215RET6TR equivalent, key selection criteria include its 120 MHz CPU with ART Accelerator™ for zero-wait-state Flash execution, 140 I/Os (138 5 V-tolerant), triple 12-bit ADCs (6 MSPS interleaved), and dedicated DMA for Ethernet/USB/DCMI - critical for deterministic embedded networking and vision edge nodes.
Technical Context
The device integrates an Adaptive Real-Time Accelerator (ART Accelerator™) that enables deterministic 0-wait-state execution from Flash at 120 MHz, eliminating cache-related jitter in time-critical control loops. Its multi-AHB bus matrix supports concurrent access to Flash, SRAM, and peripherals without arbitration stalls.
It features dual USB controllers: full-speed OTG_FS with on-chip PHY and high-speed OTG_HS with ULPI interface and dedicated DMA, enabling simultaneous host/device roles. The 10/100 Ethernet MAC includes IEEE 1588v2 hardware timestamping and MII/RMII support for precise industrial time synchronization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 @ 120 MHz; delivers 150 DMIPS with ART Accelerator™ for deterministic real-time code execution from Flash. |
| Memory | 512 KB Flash + 128 KB SRAM + 4 KB backup SRAM; supports boot from system memory, main Flash, or SRAM with flexible remap. |
| Crypto Engine | Hardware AES-128/192/256, Triple DES, SHA-1, MD5, and true RNG; enables TLS handshake acceleration and secure firmware updates. |
| Connectivity | Dual CAN 2.0B, USB OTG HS/FS, 10/100 Ethernet MAC with IEEE 1588v2 timestamping; suitable for PROFINET, EtherCAT gateway layers. |
| Analog Peripherals | Three 12-bit ADCs (24-channel total, 6 MSPS in triple interleaved mode), two 12-bit DACs, temperature sensor, and VBAT monitoring. |
| I/O & Timing | 140 I/Os (138 5 V-tolerant), up to 17 timers including two 32-bit general-purpose timers and advanced-control TIM1/TIM8 with PWM dead-time insertion. |
| Camera Interface | 8–14-bit parallel DCMI supporting 48 MB/s throughput; enables direct connection to CMOS image sensors in machine vision edge devices. |
Pinout & Package
LQFP64 (10 × 10 mm) package with exposed thermal pad; 64-pin quad flat pack optimized for industrial PCB layouts requiring moderate I/O count and thermal reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Core and I/O supply pins (1.8–3.6 V); separate VDDA/VSSA for analog domain ensures ADC/DAC accuracy. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 140 total GPIOs; 138 support 5 V tolerance - simplifies level-shifting in mixed-voltage industrial backplanes. |
| PA11/PA12, PB14/PB15 | USB OTG FS signals | D+/D− for full-speed OTG with integrated transceiver; no external PHY required for basic USB device/host functions. |
| PH13/PH14, PH15/PI0 | Ethernet MAC RMII | RMII interface (REF_CLK, CRS_DV, RXD0/1, TXD0/1, TX_EN); enables compact 10/100 Ethernet with minimal external components. |
| PD0/PD1, PD8–PD15 | DCMI data bus | 8–14-bit parallel camera interface (D0–D13); supports HSYNC/VSYNC/PCLK for synchronous image capture up to 48 MB/s. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Eliminates Flash wait states at 120 MHz, enabling deterministic interrupt latency and real-time task scheduling without cache unpredictability. |
| Flexible Static Memory Controller (FSMC) | Supports NOR/NAND/PSRAM/CompactFlash with programmable timing - enables direct attachment of external displays, FPGA co-processors, or legacy memory modules. |
| Dedicated Ethernet DMA | Offloads TCP/IP stack processing from CPU; supports scatter-gather descriptors and checksum offload for sustained 100 Mbps throughput. |
| Triple ADC Interleaving | 6 MSPS aggregate sampling rate across three 12-bit ADCs - meets requirements for multi-axis motor current sensing or power quality monitoring. |
| Backup Domain Resources | 20 × 32-bit backup registers + 4 KB backup SRAM powered by VBAT; retains critical state during deep sleep or main power loss. |
Applications
| Industrial Gateway | Secure Edge Node |
|---|---|
Use Scenario: Protocol translation between Modbus RTU field devices and cloud MQTT brokers over Ethernet/Wi-Fi. IC Role / Device Role / Timing Role: Central MCU handling dual-CAN-to-Ethernet bridging, TLS 1.2 encryption, and real-time packet scheduling via NVIC prioritization. Use Value: Hardware crypto engine reduces TLS handshake time by >70% vs. software-only implementation; 120 MHz core sustains 100+ concurrent TLS sessions. | Use Scenario: Tamper-resistant firmware update agent in smart metering infrastructure with secure boot and rollback protection. IC Role / Device Role / Timing Role: Root-of-trust controller verifying signed firmware images using SHA-256 hash and AES-GCM decryption before Flash programming. Use Value: On-chip RNG and cryptographic accelerators meet IEC 62443-3-3 SL2 requirements for secure boot integrity and key generation entropy. |
| Machine Vision Sensor Hub | Multi-Protocol PLC I/O Module |
Use Scenario: Low-latency image preprocessing (edge detection, ROI cropping) before sending compressed frames to central HMI. IC Role / Device Role / Timing Role: DCMI receiver feeding DMA to SRAM; Cortex-M3 executes OpenCV-lite kernels with ART-accelerated Flash execution. Use Value: 48 MB/s DCMI bandwidth captures 720p@30fps raw Bayer data; triple ADCs monitor lens focus motor current for closed-loop autofocus. | Use Scenario: DIN-rail mounted I/O expansion module supporting PROFIBUS DP slave and EtherNet/IP adapter functions simultaneously. IC Role / Device Role / Timing Role: Dual-CAN and Ethernet MAC managed by real-time OS with deterministic ISR response under 1.2 µs jitter. Use Value: 17 timers include advanced-control TIM1/TIM8 for precise PWM generation in servo drive interfaces; 5 V-tolerant I/Os interface directly with 24 V industrial logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F407VGT6 | Higher clock (168 MHz), FPU, no hardware crypto (AES/SHA only in F41x/F42x variants), same LQFP100 pinout but different peripheral mapping. | Lacks IEEE 1588v2 Ethernet timestamping and dedicated crypto engine; requires software AES for TLS. | Select when floating-point math dominates workload and crypto is secondary; verify DCMI/Ethernet register compatibility. |
| STM32H743VIT6 | ARM Cortex-M7 @ 480 MHz, dual-core option, enhanced crypto (AES-GCM, PKA), larger Flash/SRAM, but LQFP100 package only. | Over-spec for cost-sensitive gateways; higher power draw limits battery-backed standby use. | Choose for future-proofing with AI inference (CMSIS-NN) or when migrating to dual-core RTOS architectures. |
Compared with STM32F215RET6TR, the F407VGT6 trades crypto acceleration and IEEE 1588 support for raw FPU performance, while the H743VIT6 delivers architectural scalability at higher BOM cost and power - making the F215 optimal for secure, time-aware industrial edge nodes where deterministic latency and crypto offload are non-negotiable.
Availability
STM32F215RET6TR is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, machine vision sensor hubs, and multi-protocol PLC I/O modules requiring stable component supply across extended product lifecycles.
Supply support for STM32F215RET6TR 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, designing and manufacturing microcontrollers, power ICs, sensors, and automotive semiconductors since 1987.
The STM32F2 series targets high-performance industrial and networking applications, emphasizing real-time determinism, hardware security, and rich connectivity - specifically engineered for protocol gateways, motor control, and secure IoT edge devices.
FAQ
What is the maximum operating frequency and how is it achieved?
The STM32F215RET6TR operates at up to 120 MHz using its internal PLL with input from HSE (4–26 MHz) or HSI (16 MHz). The ART Accelerator™ enables zero-wait-state execution from Flash memory at this frequency, verified per Dhrystone 2.1 benchmark yielding 150 DMIPS. No external clock source beyond the standard crystal or RC oscillator is required to reach rated speed.
Does this MCU support secure boot and cryptographic key storage?
Yes - it includes a hardware true random number generator (RNG) compliant with NIST SP800-90B, AES-128/192/256 and SHA-1/MD5 accelerators, and 96-bit unique ID. While it lacks dedicated eFuse or tamper-detect pins, secure boot can be implemented via ROM-based bootloader with signature verification in user Flash, leveraging hardware crypto for fast hash and decrypt operations.
Can the Ethernet MAC operate in RMII mode with external PHY?
Yes - the integrated 10/100 Ethernet MAC supports both MII and RMII physical layer interfaces. For RMII, pins PH13 (REF_CLK), PH14 (CRS_DV), PH15 (RXD1), PI0 (RXD0), PG11 (TX_EN), PG13 (TXD0), and PG14 (TXD1) are used. An external RMII-compliant PHY (e.g., LAN8720A) is required, and the MCU's dedicated Ethernet DMA handles frame transmission/reception without CPU intervention.
What are the low-power modes and their typical current consumption?
It supports Sleep (core stopped, peripherals active), Stop (128 KB SRAM retained, RTC running, ~2.5 µA typ), and Standby (4 KB backup SRAM + RTC + 20 registers retained, ~1.8 µA typ) modes. VBAT mode maintains RTC and backup registers during main power loss. All modes support wake-up via EXTI lines, RTC alarm, or USB wakeup event - validated per datasheet Table 22–24 at 25°C and 3.3 V.
STM32F215RET6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- STM32F2
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, MMC, SPI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 51
- 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 16x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F215RET6TR FAQ
1.How can I place an order for STM32F215RET6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F215RET6TR 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 STM32F215RET6TR reliable?
The price and inventory of STM32F215RET6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F215RET6TR is usually 5 days.
3.What payment methods are accepted for STM32F215RET6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F215RET6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F215RET6TR?
STM32F215RET6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F215RET6TR 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 STM32F215RET6TR?
For technical support, including STM32F215RET6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F215RET6TR requirements.
6.How does Aetrix verify that STM32F215RET6TR is sourced from the original manufacturer or authorized distributors?
All STM32F215RET6TR 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 STM32F215RET6TR meets industry standards.
7.What is the process for return or replacement of STM32F215RET6TR?
All STM32F215RET6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F215RET6TR, 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 STM32F215RET6TR part is unused and in its original packaging.
Return procedure for STM32F215RET6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32F215RET6TR Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

