My Inquiry
My Account
STMicroelectronics STM32F205RFT6TR
- Part No.:
- STM32F205RFT6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32F205RFT6TR.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,414
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32F205RFT6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M3 microcontroller operating at up to 120 MHz, featuring 768 KB Flash, 96 KB SRAM (128+4 KB total), dual CAN 2.0B interfaces, USB OTG HS/FS with dedicated DMA, and 10/100 Ethernet MAC with IEEE 1588v2 hardware support. It targets industrial gateway controllers requiring real-time connectivity, deterministic communication, and embedded protocol stack execution.
For engineers reviewing the STM32F205RFT6TR datasheet, STM32F205RFT6TR pinout, STM32F205RFT6TR application, or STM32F205RFT6TR equivalent, key selection criteria include Ethernet MAC timing compliance, dual-CAN bus arbitration latency, USB HS PHY integration, and DCMI camera interface bandwidth (up to 48 MB/s) for vision-enabled edge nodes.
Technical Context
The device integrates an Adaptive Real-Time Accelerator (ART Accelerator™) enabling zero-wait-state execution from Flash at 120 MHz, delivering 150 DMIPS. Its multi-AHB bus matrix supports concurrent access to Flash, SRAM, and peripherals including Ethernet DMA, USB OTG HS DMA, and DCMI.
It implements a full-featured memory protection unit (MPU), flexible static memory controller (FSMC) supporting NAND/NOR/PSRAM, and dual PLLs - one for system clock (up to 120 MHz) and a dedicated audio PLL (PLLI2S) for I2S synchronization - enabling simultaneous high-speed control and audio processing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 @ 120 MHz max; enables deterministic real-time task scheduling with 150 DMIPS performance. |
| Flash Memory | 768 KB main Flash + 512 B OTP; sufficient for dual-bank firmware updates and secure boot code storage. |
| SRAM | 96 KB embedded SRAM (128 KB + 4 KB); supports Ethernet packet buffering, USB descriptor tables, and RTOS heap. |
| Connectivity | Dual CAN 2.0B, USB 2.0 HS/FS OTG, 10/100 Ethernet MAC with MII/RMII; enables industrial fieldbus bridging and wired IoT node convergence. |
| Analog Peripherals | Three 12-bit ADCs (6 MSPS triple interleaved), two 12-bit DACs; supports motor current sensing and analog output control in closed-loop systems. |
| Camera Interface | 8–14-bit parallel DCMI with 48 MB/s max throughput; directly interfaces CMOS image sensors for embedded vision preprocessing. |
| Timers | Up to 17 timers including two 32-bit general-purpose timers (120 MHz), advanced-control TIM1/TIM8 for PWM generation in motor drives. |
Pinout & Package
LQFP64 package (10 × 10 mm, 0.5 mm pitch) with 51 user I/O pins, 5 V-tolerant on selected pins, and dedicated routing for Ethernet RMII (11 pins), USB HS ULPI (8 pins), and DCMI (16 data + sync/control).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Power supply / Ground | Separate analog/digital domains; requires external 100 nF decoupling per VDD pin for stable 1.8–3.6 V operation. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 51 configurable GPIOs; up to 138 pins are 5 V-tolerant, enabling direct interfacing with legacy industrial logic levels. |
| PH0/PH1 | HSE oscillator input/output | Supports 4–26 MHz crystal; required for Ethernet MAC timestamp accuracy and USB HS clock derivation. |
| PA12/PA11 | USB FS D+/D− | Integrated full-speed PHY; eliminates need for external transceiver in USB device/host applications. |
| PA13/PA14/PA15 | SWDIO/SWCLK/NRST | Serial Wire Debug interface; enables non-intrusive real-time debugging without JTAG pin overhead. |
| PC1–PC4, PD0–PD7 | RMII interface | 11-pin subset for 10/100 Ethernet; includes REF_CLK, CRS_DV, RXD0/1, TXD0/1, TX_EN - meets IEEE 802.3u timing. |
| PE0–PE15 | DCMI data bus | 16-bit parallel camera interface; supports ITU-R BT.601/656 formats with hardware frame synchronization. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Eliminates Flash wait states at 120 MHz, reducing instruction fetch latency and improving ISR response time in real-time control loops. |
| Dedicated USB HS DMA | Offloads CPU during high-bandwidth transfers (e.g., video streaming), freeing core cycles for application logic and protocol stacks. |
| IEEE 1588v2 Hardware Support | Enables sub-microsecond time synchronization in industrial Ethernet networks without software timestamping overhead. |
| Flexible Static Memory Controller (FSMC) | Directs NOR/NAND/PSRAM access with programmable timing; supports external display controllers or FPGA co-processors. |
| Triple Interleaved ADC Mode | Delivers 6 MSPS aggregate sampling rate across three 12-bit ADCs - suitable for three-phase motor current reconstruction. |
Applications
| Industrial Ethernet Gateway | Smart Camera Node |
|---|---|
|
Use Scenario: Protocol translation between Modbus TCP and CANopen in factory automation networks. IC Role / Device Role / Timing Role: Primary MCU executing dual-stack networking, managing Ethernet MAC DMA and dual CAN controllers with hardware message filtering. Use Value: Integrated IEEE 1588v2 timestamping ensures synchronized motion control across distributed drives; dual CAN reduces external bridge IC count. |
Use Scenario: Edge-based optical character recognition (OCR) in logistics sorting systems using low-resolution CMOS sensors. IC Role / Device Role / Timing Role: Vision processor handling DCMI frame capture, grayscale conversion, and lightweight CNN inference via CMSIS-NN. Use Value: 48 MB/s DCMI bandwidth sustains 640×480@30 fps capture; on-chip SRAM buffers full frames for preprocessing without external DRAM. |
| Programmable Logic Controller (PLC) I/O Module | USB-to-Ethernet Bridge |
|
Use Scenario: Compact remote I/O terminal with analog input conditioning, digital isolation, and fieldbus uplink. IC Role / Device Role / Timing Role: Real-time controller managing 12-bit ADC sampling, PWM output generation, and EtherCAT slave stack timing. Use Value: Triple ADC interleaving achieves 6 MSPS for anti-aliasing filter design; 17 timers provide precise PWM dead-time insertion and encoder counting. |
Use Scenario: Embedded bridge converting USB mass storage devices to network-attached storage (NAS) over Ethernet. IC Role / Device Role / Timing Role: Dual-role USB OTG HS host + Ethernet MAC controller coordinating bulk transfers and TCP/IP offload. Use Value: Dedicated USB HS DMA and Ethernet DMA operate concurrently without CPU intervention, sustaining >30 MB/s throughput. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F207VCT6 | LQFP100 package (100 pins), adds Ethernet PHY interface (MII only), same peripheral set and Flash/SRAM. | Requires more PCB area and lacks ULPI support; better suited for designs needing MII PHY or additional GPIOs. | Select when MII interface or ≥64 GPIOs are required; not drop-in due to package and pinout mismatch. |
| STM32F407VGT6 | Cortex-M4 core (168 MHz), FPU, 1 MB Flash, no Ethernet MAC hardware timestamping (no IEEE 1588v2). | Superior DSP performance for audio/FFT workloads, but lacks deterministic Ethernet timing for industrial control. | Choose for floating-point-intensive applications where IEEE 1588v2 is unnecessary; incompatible Ethernet feature set. |
Compared with STM32F207VCT6, the STM32F205RFT6TR offers smaller footprint and ULPI support for compact USB HS designs; versus STM32F407VGT6, it trades FPU capability for hardened industrial Ethernet features critical in time-sensitive networking.
Availability
STM32F205RFT6TR is available at Aetrix Electronics and suitable for industrial gateways, smart camera nodes, PLC I/O modules, and USB-to-Ethernet bridges requiring stable component supply and long-term manufacturability.
Supply support for STM32F205RFT6TR 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 specializing in microcontrollers, power management, and automotive-grade ICs, with broad industrial and embedded market presence.
This part belongs to the STM32F2 mainstream ARM Cortex-M3 series, designed for applications demanding rich connectivity (Ethernet, USB, CAN), real-time performance, and industrial-grade reliability in resource-constrained environments.
FAQ
Does STM32F205RFT6TR support IEEE 1588v2 hardware timestamping?
Yes. The integrated 10/100 Ethernet MAC includes dedicated hardware registers for precise timestamping of PTP (Precision Time Protocol) packets at the physical layer, enabling sub-microsecond synchronization accuracy without CPU overhead or software jitter.
What is the maximum achievable data rate on the DCMI interface?
The DCMI supports up to 48 MB/s throughput, corresponding to 8–14-bit parallel data capture at pixel clocks up to 48 MHz. This enables sustained 640×480@30 fps or 320×240@60 fps operation with full hardware frame synchronization and embedded sync signal detection.
Can the USB OTG HS interface operate without an external ULPI PHY?
No. The STM32F205RFT6TR provides only the ULPI interface for USB HS; an external ULPI-compliant PHY (e.g., USB334x) is mandatory. In contrast, its USB FS interface includes a fully integrated PHY and requires no external components.
How many independent CAN buses does this MCU support?
It supports two independent CAN 2.0B controllers (CAN1 and CAN2), each with dedicated message RAM, filters, and transmit/receive FIFOs. Both controllers operate simultaneously and can be configured for different bit rates, enabling gateway functions between separate CAN networks.
STM32F205RFT6TR 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:
- 768KB (768K 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:
STM32F205RFT6TR FAQ
1.How can I place an order for STM32F205RFT6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F205RFT6TR 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 STM32F205RFT6TR reliable?
The price and inventory of STM32F205RFT6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F205RFT6TR is usually 5 days.
3.What payment methods are accepted for STM32F205RFT6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F205RFT6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F205RFT6TR?
STM32F205RFT6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F205RFT6TR 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 STM32F205RFT6TR?
For technical support, including STM32F205RFT6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F205RFT6TR requirements.
6.How does Aetrix verify that STM32F205RFT6TR is sourced from the original manufacturer or authorized distributors?
All STM32F205RFT6TR 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 STM32F205RFT6TR meets industry standards.
7.What is the process for return or replacement of STM32F205RFT6TR?
All STM32F205RFT6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F205RFT6TR, 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 STM32F205RFT6TR part is unused and in its original packaging.
Return procedure for STM32F205RFT6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32F205RFT6TR 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…
