Item specifics
Description
The STM32F410RBT7 is a Cortex-M4 dynamic efficiency MCU from STMicroelectronics in an LQFP-64 package. It runs at 100 MHz with FPU and ART Accelerator. It integrates 128 KB Flash, 32 KB SRAM, USB 2.0 OTG (FS), BAM batch acquisition mode, 12-bit DAC, 12-bit ADC (10ch, 2.4MSPS), up to 12 timers (incl. 1 motor control PWM/deadtime), 3 USARTs, 3 SPIs, and 3 I2Cs. 50 I/Os, all 5 V-tolerant. Supply 1.7–3.6 V, operating temperature -40 °C to 105 °C. Core specifications are identical to the STM32F410RBT6 (-40 to 85 °C), with only the temperature range extended to 105 °C for high-temperature industrial and automotive applications. Compared to the STM32F103RBT6 (Cortex-M3, 72 MHz), it upgrades to a Cortex-M4 core with FPU, higher frequency and SRAM, and adds BAM and USB OTG functionality.
Core: Arm Cortex-M4 100 MHz + FPU + ART Accelerator Memory: 128 KB Flash, 32 KB SRAM USB 2.0 OTG: FS, supports Device/Host/OTG BAM: Batch Acquisition Mode for low-power batch sensor data reading 12-bit ADC: 10 channels, 2.4 MSPS (up to 7.2 MSPS interleaved) 12-bit DAC: 1 channel, buffered output Timers: 1× motor control PWM (deadtime/emergency stop), 10× 16-bit GP, 2× watchdogs, SysTick Communication Interfaces: 3×USART (ISO7816/LIN/IrDA), 3×SPI/I2S, 3×I2C (SMBus), USB OTG FS I/Os: 50, all 5 V-tolerant Low Power: Sleep/Stop/Standby, VBAT backup RTC, BAM mode Temperature Range: -40 °C to 105 °C Package: LQFP-64 (10×10×1.4 mm)
Industrial: Sensor transmitters, high-temperature data acquisition nodes Motor Control: BLDC/PMSM FOC, fans, pumps Automotive: Vehicle light control, sensor nodes, in-vehicle gateways (non-safety-critical) Consumer: Game controllers, remote controls, drone flight controllers IoT Nodes
-40 °C to 105 °C Wide Temperature: Meets high-temperature industrial and automotive requirements 100 MHz Cortex-M4 + FPU: DSP and floating-point support, outperforming Cortex-M3 BAM Batch Acquisition Mode: Low-power batch sensor data reading, optimized battery life USB OTG + Rich Communication Interfaces: Combines general communication and industrial connectivity Mature STM32 Ecosystem: CubeIDE/CubeMX/HAL/LL
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FAQ:
What is the STM32F410RBT7 and where does it fit in the STM32F4 family?
The STM32F410RBT7 is a 100 MHz Arm Cortex‑M4F microcontroller with 128 KB Flash, 32 KB SRAM, and a single‑precision FPU/DSP engine, all in a compact LQFP‑64 package. It is the entry‑level member of the STM32F4 series, designed for cost‑sensitive applications that need M4 processing power and excellent energy efficiency but do not require a USB controller or large on‑chip memory. Its ultra‑low‑power features and fast wake‑up make it ideal for battery‑powered sensor nodes and real‑time control tasks.
How does the STM32F410RBT7 differ from the STM32F411RET6? When should I pick the F410?
Both share the same 100 MHz Cortex‑M4F core, but they target different applications. The F411RET6 provides 512 KB Flash, 128 KB SRAM, and a full‑speed USB OTG controller. The F410RBT7 streamlines the design by removing the USB peripheral and reducing Flash to 128 KB and SRAM to 32 KB. Choose the F410RBT7 when your product does not need USB connectivity, operates with a modest code footprint, and prioritises lower cost and power consumption—e.g., a dedicated sensor processor or a motor controller that communicates only via SPI, I2C, or UART.
Is 128 KB Flash and 32 KB SRAM enough to run a real‑time OS or complex algorithms?
Yes. 128 KB of Flash can hold a light RTOS (such as FreeRTOS), sensor drivers, digital signal processing routines, and communication stacks for SPI/I2C/UART. The 32 KB SRAM is sufficient for many real‑time control loops, data acquisition buffers, and wireless protocol stacks. For applications that need larger data arrays (e.g., frame buffers or extensive logging), external SPI SRAM can be added, though the F410 lacks a parallel memory controller.
Does the STM32F410RBT7 have a floating‑point unit? Can it perform DSP tasks?
Absolutely. Like all STM32F4 devices, the F410RBT7 includes a single‑precision hardware FPU and the full set of Cortex‑M4 DSP instructions (single‑cycle MAC, SIMD). This makes it very capable for digital filters, FFTs, PID control loops, and sensor fusion algorithms. The 100 MHz clock and FPU allow it to outperform Cortex‑M3 MCUs in math‑intensive applications, even with its smaller memory footprint.
Why doesn't the STM32F410RBT7 have USB? What are the alternatives for communication?
The STM32F410 was intentionally designed without a USB controller to reduce silicon cost and power consumption for applications that never need USB. Instead, it focuses on serial peripherals: up to 4 USART, 2 SPI, 3 I2C, and an I2S interface. For wireless connectivity, you can easily add an external Bluetooth, Wi‑Fi, or LoRa module connected over UART or SPI. If USB is mandatory, the pin‑compatible STM32F411RET6 (or even the STM32F401) is a more suitable choice.
How low can the power consumption go on the STM32F410RBT7, and what low‑power modes are available?
The STM32F410RBT7 is one of the most power‑efficient members of the F4 series. It supports Sleep, Stop, and Standby modes. In Stop mode with full SRAM retention, the typical current is only about 120 µA, and in Standby mode it drops to about 2 µA with the RTC running. A dedicated VBAT domain powers the real‑time clock and backup registers from a separate coin cell. Wake‑up from Stop takes just a few microseconds, enabling aggressive duty‑cycling for battery‑powered devices.
Can the STM32F410RBT7 be used for motor control or digital power supplies?
Yes. It includes advanced‑control timers with complementary PWM outputs and programmable dead‑time insertion, making it suitable for single‑axis motor drives (brushed or brushless), digital PFC converters, and low‑power inverters. The FPU and DSP instructions accelerate field‑oriented control (FOC) and PID algorithms, while the fast 12‑bit ADC (up to 2.4 Msps) handles current sensing.
What is the maximum ambient temperature for the STM32F410RBT7? What does the “7” suffix mean?
The “7” in the part number indicates the industrial temperature range: -40 °C to +105 °C. This makes the STM32F410RBT7 suitable for harsh environments, such as outdoor sensor nodes, automotive subsystems (non‑safety), and industrial automation equipment that must operate reliably over a wide temperature span.
Does the STM32F410RBT7 support external memory expansion? Can I add Flash or RAM?
The STM32F410 does not include a flexible memory controller (FMC) for parallel NOR or SDRAM, but you can connect external serial Flash or SPI SRAM/PSRAM through the standard SPI ports. This allows you to log larger data sets or store firmware updates externally, while the internal 128 KB Flash handles the active application.
What development tools and evaluation boards work with the STM32F410RBT7?
All major IDEs—free STM32CubeIDE, Keil MDK, and IAR EWARM—fully support the chip. There is no dedicated Nucleo‑64 board with the exact STM32F410RBT7, but you can prototype firmware on a NUCLEO‑F410RB board (which uses a similar F410RB in a 64‑pin package, with 128 KB Flash) or the NUCLEO‑F411RE. The STM32CubeF4 firmware package includes ready‑to‑run examples for all peripherals.