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STMicroelectronics STM32F205ZCT7TR
- Part No.:
- STM32F205ZCT7TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
STM32F205ZCT7TR.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,774
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Product details
Overview
STM32F205ZCT7TR from STMicroelectronics is a 32-bit Arm® Cortex®-M3 microcontroller with 120 MHz max CPU frequency, 256 KB Flash, 64 + 4 KB SRAM, USB OTG HS/FS, 10/100 Ethernet MAC, and dual CAN 2.0B interfaces - deployed in industrial gateways requiring real-time protocol bridging, secure firmware updates, and deterministic I/O control.
For engineers reviewing the STM32F205ZCT7TR datasheet, STM32F205ZCT7TR pinout, STM32F205ZCT7TR application, or STM32F205ZCT7TR equivalent, key selection criteria include Ethernet MAC timing compliance, DCMI camera interface bandwidth (up to 48 MB/s), ART Accelerator™-enabled zero-wait-state Flash execution, and VBAT-backed RTC with 20×32-bit backup registers.
Technical Context
The STM32F205ZCT7TR integrates a Cortex-M3 core with Adaptive Real-Time Accelerator (ART Accelerator™) for deterministic 0-wait-state execution from Flash at 120 MHz, and includes a multi-AHB bus matrix enabling concurrent access to Flash, SRAM, and peripherals without arbitration stalls.
Its advanced connectivity stack features a dedicated Ethernet MAC with IEEE 1588v2 hardware timestamping support, dual USB OTG controllers (one full-speed with on-chip PHY, one high-speed with ULPI interface and dedicated DMA), and an 8–14-bit parallel digital camera interface (DCMI) capable of 48 MB/s throughput.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M3 @ 120 MHz max; delivers 150 DMIPS with ART Accelerator™ enabling deterministic real-time code execution from Flash. |
| Memory | 256 KB Flash + 64 KB SRAM + 4 KB backup SRAM; supports compact flash, NOR/NAND via FSMC for external storage expansion. |
| ADC/DAC | Three 12-bit ADCs (up to 6 MSPS triple interleaved); two 12-bit DACs - enables simultaneous analog sensing and waveform generation in motor control. |
| Connectivity | Dual CAN 2.0B, USB OTG HS/FS, 10/100 Ethernet MAC (MII/RMII), SDIO, three SPIs (30 Mbit/s), four USARTs - suitable for industrial fieldbus-to-Ethernet gateway designs. |
| Timers & I/O | Up to 17 timers including two 32-bit general-purpose units; 114 fast I/Os (60 MHz) with 5 V tolerance - supports high-speed PWM, quadrature encoder input, and legacy 5 V peripheral interfacing. |
| Package | LQFP144 (20 × 20 mm); 144-pin quad flat pack with exposed thermal pad - validated for convection-cooled industrial PCB layouts up to 85°C ambient. |
| Power Management | 1.8–3.6 V supply; Sleep/Stop/Standby low-power modes; VBAT-powered RTC and 20×32-bit backup registers - ensures timekeeping and state retention during main power loss. |
Pinout & Package
LQFP144 package with 0.5 mm pitch, 20 × 20 mm body, and exposed thermal pad (EPAD) for enhanced thermal dissipation in industrial environments. Pin count: 144 leads; RoHS-compliant, Pb-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Core & I/O power/ground | Dual power domains: VDD (1.8–3.6 V) for core/SRAM, VDDIO (same range) for 5 V-tolerant I/Os; decoupling required per datasheet Section 6.3.2. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 114 total GPIOs; most support 5 V tolerance, 60 MHz toggle rate, and multiple alternate functions (USART, SPI, TIM, ADC, etc.) mapped per Table 10. |
| PH0/PH1 | HSE oscillator inputs | 4–26 MHz crystal connection; internal trimming supports ±1% frequency accuracy over temperature for Ethernet MAC clock stability. |
| PA12/PA11 | USB OTG FS D+/D− | Full-speed USB 2.0 differential pair with integrated transceiver; requires 1.5 kΩ pull-up on PA12 for device enumeration. |
| PC1/PC4/PC5 | Ethernet MAC RMII | RMII interface pins (REF_CLK, RXD0, RXD1, CRS_DV, TX_EN, TXD0, TXD1); mandates 50 Ω impedance-controlled routing for IEEE 802.3u compliance. |
| PD3/PD4/PD6–PD12 | DCMI data bus | 8–14-bit parallel camera interface (D0–D13); supports 48 MB/s capture rate - used for machine vision preprocessing in edge nodes. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Enables zero-wait-state execution from Flash at 120 MHz - eliminates instruction fetch latency, critical for hard real-time control loops. |
| Flexible Static Memory Controller (FSMC) | Supports NAND/NOR/PSRAM/CompactFlash with programmable timing - allows direct attachment of external memory or display controllers without FPGA glue logic. |
| Dedicated Ethernet MAC DMA | Hardware-accelerated packet buffering and descriptor management - reduces CPU load below 5% for 100 Mbps TCP/IP throughput. |
| Dual USB OTG controllers | Separate FS and HS PHYs with independent DMA channels - enables simultaneous USB device (e.g., CDC ACM) and host (e.g., mass storage) operation. |
| DCMI with embedded sync logic | Hardware frame synchronization and FIFO buffering - eliminates software overhead for streaming video capture from CMOS sensors. |
Applications
| Industrial Ethernet Gateway | Smart Camera Node |
|---|---|
|
Use Scenario: Protocol translation between Modbus RTU field devices and cloud-connected Ethernet backbone. IC Role / Device Role / Timing Role: Central MCU executing real-time Modbus stack, managing Ethernet TCP/IP offload, and synchronizing UART-to-MAC data forwarding. Use Value: IEEE 1588v2 hardware timestamping ensures sub-microsecond clock alignment across distributed PLCs. |
Use Scenario: Edge-based optical inspection system capturing and pre-processing live video from monochrome CMOS sensors. IC Role / Device Role / Timing Role: DCMI controller acquiring raw frames, ARM Cortex-M3 running lightweight CNN inference on SRAM-resident buffers. Use Value: 48 MB/s DCMI bandwidth and triple-interleaved ADC enable synchronized sensor fusion (image + analog signal). |
| Secure Firmware Update Hub | Motor Control Gateway |
|
Use Scenario: Field-deployed node validating and applying signed firmware patches over HTTPS via Ethernet or USB. IC Role / Device Role / Timing Role: Secure boot loader verifying ECDSA signatures, decrypting AES-encrypted images, and managing dual-bank Flash update atomicity. Use Value: 96-bit unique ID and hardware RNG provide root-of-trust foundation for cryptographic operations. |
Use Scenario: Multi-axis servo drive coordinating position feedback (quadrature encoder), current sensing (ADC), and PWM output (TIM1/TIM8). IC Role / Device Role / Timing Role: Real-time motion controller with 120 MHz timer resolution, 12-bit DAC for analog setpoint generation, and CAN 2.0B for drive coordination. Use Value: Dual CAN interfaces allow daisy-chained topology with <100 µs inter-drive synchronization jitter. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F207ZCT6 | Same LQFP144 package, identical peripherals, but 1 MB Flash (vs. 256 KB) and no USB OTG HS support - retains Ethernet MAC, dual CAN, DCMI. | Preferred where large bootloader + application image size (>512 KB) is required, but high-speed USB host functionality is unnecessary. | Select when Flash capacity is primary constraint and USB HS is not needed; pin-compatible drop-in replacement otherwise. |
| STM32H743ZIT6 | Arm Cortex-M7 @ 480 MHz, 2 MB Flash, dual-core option, no DCMI; adds FMC, JPEG codec, and enhanced crypto accelerators. | Suitable for AI-edge inference or high-throughput protocol stacks where >200 DMIPS and hardware crypto are mandatory. | Choose for next-generation designs demanding higher compute density; requires PCB redesign due to TFBGA176 package and voltage rail changes. |
Compared with STM32F205ZCT7TR, STM32F207ZCT6 offers greater Flash headroom for complex field-upgradable firmware but sacrifices USB OTG HS capability, while STM32H743ZIT6 delivers 3× CPU performance and modern peripherals at the cost of increased BOM complexity and thermal management requirements.
Availability
STM32F205ZCT7TR is available at Aetrix Electronics and suitable for industrial gateways, smart camera nodes, secure firmware update hubs, and motor control gateways requiring stable component supply throughout extended product lifecycles.
Supply support for STM32F205ZCT7TR 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-grade components since 1987.
The STM32F2 series targets industrial and networking applications requiring robust real-time performance, rich connectivity (Ethernet, USB, CAN), and extended temperature operation - optimized for deterministic control and protocol bridging.
FAQ
What is the maximum operating temperature for STM32F205ZCT7TR?
The STM32F205ZCT7TR is rated for industrial temperature range: –40°C to +85°C ambient. Thermal performance is validated per datasheet Section 7.7, with θJA = 26.5°C/W for LQFP144 package under standard JEDEC 2-layer board conditions.
Does STM32F205ZCT7TR support hardware encryption?
No - the STM32F205ZCT7TR does not integrate dedicated cryptographic accelerators (AES, SHA, PKA). It relies on software libraries for encryption; for hardware crypto, consider STM32F412/F413 or STM32L4+ series with CryptoCell-310 or AES engines.
Can the Ethernet MAC operate in RMII mode with this part?
Yes - the STM32F205ZCT7TR supports both MII and RMII physical layer interfaces. RMII mode uses 7 pins (REF_CLK, CRS_DV, RXD0, RXD1, TX_EN, TXD0, TXD1) and requires an external 50 MHz clock source or PLL-derived REF_CLK per Section 3.26 of DS6329.
Is the DCMI interface capable of RGB565 or YUV422 pixel formats?
Yes - the DCMI supports programmable data width (8–14 bits) and polarity control, enabling direct capture of RGB565 (16-bit packed), YUV422 (16-bit interleaved), or raw Bayer patterns. Pixel clock synchronization and HSYNC/VSYS timing are fully configurable in register-based mode.
STM32F205ZCT7TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-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:
- 114
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 100K 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F205ZCT7TR FAQ
1.How can I place an order for STM32F205ZCT7TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F205ZCT7TR 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 STM32F205ZCT7TR reliable?
The price and inventory of STM32F205ZCT7TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F205ZCT7TR is usually 5 days.
3.What payment methods are accepted for STM32F205ZCT7TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F205ZCT7TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F205ZCT7TR?
STM32F205ZCT7TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F205ZCT7TR 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 STM32F205ZCT7TR?
For technical support, including STM32F205ZCT7TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F205ZCT7TR requirements.
6.How does Aetrix verify that STM32F205ZCT7TR is sourced from the original manufacturer or authorized distributors?
All STM32F205ZCT7TR 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 STM32F205ZCT7TR meets industry standards.
7.What is the process for return or replacement of STM32F205ZCT7TR?
All STM32F205ZCT7TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F205ZCT7TR, 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 STM32F205ZCT7TR part is unused and in its original packaging.
Return procedure for STM32F205ZCT7TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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