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STMicroelectronics STM32F730R8T6
- Part No.:
- STM32F730R8T6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32F730R8T6.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:871
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Product details
Overview
STM32F730R8T6 from STMicroelectronics is an Arm® Cortex®-M7 32-bit microcontroller with FPU, delivering 462 DMIPS at 216 MHz, featuring 64 KB Flash, 256+16+4 KB SRAM (including TCM and backup RAM), USB OTG HS/FS, three 12-bit ADCs (2.4 MSPS), two 12-bit DACs, and 18 timers - deployed in industrial HMI controllers requiring deterministic real-time response and secure firmware execution.
For engineers reviewing the STM32F730R8T6 datasheet, STM32F730R8T6 pinout, STM32F730R8T6 application, or STM32F730R8T6 equivalent, key selection criteria include L1 cache configuration (8 KB I-cache + 8 KB D-cache), ART Accelerator support for zero-wait-state Flash execution, dual-mode Quad-SPI interface, and hardware AES-128/256 acceleration for secure boot and OTA updates.
Technical Context
The STM32F730R8T6 integrates a Cortex-M7 core with tightly coupled memory (TCM) architecture: 64 KB instruction TCM RAM enables deterministic interrupt latency for safety-critical control loops, while 256 KB data TCM RAM supports high-bandwidth sensor fusion algorithms. Its adaptive real-time accelerator (ART) eliminates Flash wait states across full 216 MHz operation.
It features dual USB OTG controllers - one full-speed with on-chip PHY, one high-speed with dedicated DMA and dual PHY support (on-chip HS + FS or ULPI) - enabling simultaneous device/host roles in embedded host applications like portable medical data loggers with peripheral attachment capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7 with FPU, 216 MHz max frequency, 462 DMIPS performance - enables complex control algorithms and real-time signal processing without external co-processors. |
| Memory | 64 KB Flash (with PCROP protection), 256 KB data SRAM + 16 KB instruction TCM RAM + 4 KB backup SRAM - supports secure firmware storage, low-latency ISR execution, and RTC-persistent data retention. |
| Analog Peripherals | Three 12-bit ADCs (2.4 MSPS each, 7.2 MSPS interleaved), two 12-bit DACs - suitable for multi-channel motor current sensing and analog output control in servo drives. |
| Timers & Control | 18 timers including thirteen 16-bit and two 32-bit units, all running at 216 MHz, with quadrature encoder inputs - enables precise position/speed control of up to six independent axes. |
| Connectivity | USB OTG HS/FS (dual controller), 3× I²C, 4× USART/UART, 5× SPI (3 with I²S mux), 2× SAI, 1× CAN 2.0B, 2× SDMMC - supports audio streaming, fieldbus bridging, and removable media in industrial gateways. |
| Security & Crypto | AES-128/256 hardware accelerator, true RNG, CRC unit, 96-bit unique ID - enables certified secure boot, encrypted firmware updates, and device authentication in IIoT edge nodes. |
| Package | LQFP64 (10 × 10 mm), 64-pin, 0.5 mm pitch - compatible with standard PCB assembly processes and cost-optimized for space-constrained HMI panels. |
Pinout & Package
LQFP64 package with exposed thermal pad (no heatsink required), rated for industrial temperature range (–40°C to +85°C), JEDEC-compliant footprint supporting reflow soldering and automated optical inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core & I/O power supply | Dual 1.7–3.6 V supply domains enable independent voltage scaling; VDD powers CPU/SRAM, VSS provides clean return path for noise-sensitive analog peripherals. |
| VCAP1/VCAP2 | Internal regulator decoupling | Two 2.2 µF ceramic capacitors stabilize the internal 1.2 V regulator - mandatory for reliable 216 MHz operation and L1 cache stability. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | Up to 138 5 V-tolerant pins with interrupt capability; fast I/Os support 108 MHz toggle rates - suitable for bit-banged protocols and high-speed digital interfacing. |
| PA11/PA12, PB14/PB15 | USB OTG FS physical layer | Dedicated full-speed USB pins with integrated transceivers - eliminate external PHY, reduce BOM count, and simplify ESD protection design. |
| PH13/PH14, PH15/PD0 | USB OTG HS physical layer | High-speed differential pair (D+/D−) and ULPI interface pins - support either on-chip HS PHY or external ULPI PHY for flexible USB host/device topology. |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator + L1 Cache | 8 KB instruction + 8 KB data cache enables zero-wait-state execution from Flash at 216 MHz - eliminates performance penalty of embedded Flash vs. external memory. |
| Dual USB OTG Controllers | Independent HS and FS controllers with dedicated DMA channels - allow concurrent USB device (e.g., HID keyboard) and host (e.g., flash drive) operation without CPU overhead. |
| Flexible Memory Controller (FMC) | Supports NOR/NAND/PSRAM/SDRAM up to 32-bit bus width - enables expansion of code/data space for large GUI frame buffers or real-time logging buffers. |
| Dual-mode Quad-SPI | Single- or quad-line mode with memory-mapped execution - accelerates boot time and enables XIP (execute-in-place) from external serial Flash, reducing SRAM pressure. |
| Hardware Crypto Engine | AES-128/256, TRNG, CRC - performs cryptographic operations in <100 cycles per block, freeing CPU for application logic and meeting IEC 62443-3-3 SL2 requirements. |
Applications
| Industrial HMI Panel | Portable Medical Data Logger |
|---|---|
Use Scenario: Touch-enabled display with local data visualization, SD card logging, and USB host for peripheral firmware updates. IC Role / Device Role / Timing Role: Main application processor managing GUI rendering, sensor data aggregation, and dual-role USB connectivity. Use Value: TCM RAM ensures sub-10 µs interrupt latency for touch response; dual USB OTG enables simultaneous HID device input and mass-storage host access. |
Use Scenario: Battery-powered vital sign recorder with ECG/SpO₂ acquisition, audio alerts, and encrypted patient data export via USB. IC Role / Device Role / Timing Role: Central controller handling analog front-end sampling, real-time waveform analysis, and secure USB file transfer. Use Value: Triple-interleaved ADC achieves 7.2 MSPS for high-fidelity ECG capture; hardware AES encrypts data before storage or transmission. |
| Smart Building Gateway | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Edge node aggregating Modbus RTU, BACnet MS/TP, and BLE sensor data, forwarding to cloud via Ethernet or cellular modem. IC Role / Device Role / Timing Role: Protocol translation hub with multiple UARTs, SPI peripherals, and real-time scheduling for deterministic fieldbus timing. Use Value: 18 timers with quadrature encoder inputs synchronize Modbus polling cycles; 32-bit timers provide µs-resolution timing for BACnet MSTP token management. |
Use Scenario: DIN-rail mounted I/O expansion module with isolated digital inputs/outputs, analog current loop outputs, and CAN-based backplane communication. IC Role / Device Role / Timing Role: Real-time I/O coordinator managing isolation drivers, current DACs, and CAN 2.0B fieldbus interface. Use Value: Two 12-bit DACs generate precise 4–20 mA outputs; CAN peripheral handles distributed I/O synchronization with <100 µs jitter. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance Cortex-M7 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F767ZIT6 | 2 MB Flash, 512 KB SRAM, Ethernet MAC, FMC, no USB HS PHY - larger memory, added Ethernet, but lacks integrated HS PHY. | Suitable for networked gateway applications requiring TCP/IP stack and large firmware images; not optimal for USB-host-centric portable devices. | Select when Ethernet connectivity and >512 KB code space are required; avoid if USB HS host functionality with minimal external components is critical. |
| STM32H743VIT6 | Dual-core (Cortex-M7 + M4), 2 MB Flash, 1 MB SRAM, higher clock (480 MHz), no USB HS PHY - superior compute throughput, but increased complexity and power. | Targeted at AI-edge inference or multi-threaded real-time OS deployments where task partitioning between cores improves determinism. | Choose for heterogeneous workloads demanding parallel processing; not recommended for cost-sensitive, single-threaded deterministic control where F730R8 suffices. |
Compared with STM32F767ZIT6 and STM32H743VIT6, the STM32F730R8T6 offers the optimal balance of USB HS integration, compact LQFP64 packaging, and sufficient memory for real-time HMI and portable instrumentation - avoiding over-engineering while retaining hardware crypto and dual-USB flexibility.
Availability
STM32F730R8T6 is available at Aetrix Electronics and suitable for industrial HMI panels, portable medical data loggers, smart building gateways, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production batches.
Supply support for STM32F730R8T6 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 manufacturing facilities across Europe, Asia, and North America.
The STM32F7 series targets high-performance embedded applications demanding real-time determinism, advanced connectivity, and hardware security - designed specifically for industrial automation, medical instrumentation, and human-machine interface systems.
FAQ
What is the maximum operating frequency and associated power supply requirement?
The STM32F730R8T6 operates at up to 216 MHz with a core supply voltage of 1.7–3.6 V. Stable operation at full speed requires proper decoupling of VCAP1/VCAP2 with 2.2 µF ceramic capacitors and adherence to the regulator ON mode per Section 6.3.3 of DS12536 Rev 2. Current consumption in Run mode at 216 MHz is 125 mA typical (code from Flash with ART enabled).
Does this MCU support hardware encryption for secure firmware updates?
Yes, it integrates a dedicated AES-128/256 hardware accelerator, true random number generator (TRNG), and cyclic redundancy check (CRC) unit. These peripherals enable authenticated and encrypted firmware image verification and decryption in under 100 cycles per AES block, supporting secure boot and OTA update workflows compliant with IEC 62443-3-3.
Can the USB OTG HS interface operate without an external PHY?
Yes - the STM32F730R8T6 includes an on-chip high-speed PHY. When configured for on-chip HS PHY mode, only passive termination resistors (45 Ω differential) and ESD protection are required. ULPI mode is also supported for connection to external HS PHYs, providing layout flexibility for EMI-sensitive environments.
What are the key differences between the STM32F730R8T6 and STM32F767ZIT6?
The STM32F730R8T6 has 64 KB Flash and integrated USB HS PHY in LQFP64, while the STM32F767ZIT6 offers 2 MB Flash, Ethernet MAC, and FMC in LQFP144 but lacks on-chip HS PHY. The F730R8 prioritizes compact size and USB-centric designs; the F767ZI targets networked applications needing larger code space and wired connectivity.
STM32F730R8T6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- STM32F7
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit Single-Core
- Speed:
- 216MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 50
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.7V ~ 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:
STM32F730R8T6 FAQ
1.How can I place an order for STM32F730R8T6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F730R8T6 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 STM32F730R8T6 reliable?
The price and inventory of STM32F730R8T6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F730R8T6 is usually 5 days.
3.What payment methods are accepted for STM32F730R8T6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F730R8T6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F730R8T6?
STM32F730R8T6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F730R8T6 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 STM32F730R8T6?
For technical support, including STM32F730R8T6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F730R8T6 requirements.
6.How does Aetrix verify that STM32F730R8T6 is sourced from the original manufacturer or authorized distributors?
All STM32F730R8T6 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 STM32F730R8T6 meets industry standards.
7.What is the process for return or replacement of STM32F730R8T6?
All STM32F730R8T6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F730R8T6, 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 STM32F730R8T6 part is unused and in its original packaging.
Return procedure for STM32F730R8T6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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