STM32 Nucleo-64 (MB1136) board

STMicroelectronics

STM32 Nucleo-64 NUCLEO-F446RE (MB1136)

ST NUCLEO-F446RE (MB1136): STM32F446RET6 Cortex-M4F 180 MHz, 512 KB flash, 128 KB SRAM; Arduino Uno V3 headers + two 38-pin ST morpho headers exposing every I/O; on-board ST-LINK/V2-1 (SWD, virtual COM, mass storage); user LED/button, reset; powered from USB, VIN 7–12 V, E5V or 3.3 V; 70×82.5 mm. Common robotics motor-control/CAN board.

NUCLEO-F446REDevelopment board
dev_boardcan busroboticscameracomputer visionnative usbarduino shieldsbeginner friendlystm32f446ret6stmicroelectronicsmicrocontrollerdevelopment boardi2cspiuartusbi2s
Price$18.66estore.st.com · in stock
Buy at estore.st.com

Board essentials

Facts about the complete product. Unknown values remain open design questions.

Exposed GPIO
50
Board I/O voltage
3.3 V
Board flash capacity
512 KiB
Board SRAM capacity
128 KiB

A good fit for

Guidance to help you shortlist. The basis is shown for each recommendation.

Robotics and CAN-bus motor control

Native CAN interface — talk to motor drivers and ODrive/VESC-style controllers directly.

Engineering inference

Camera and vision projects

Native camera interface on the main chip.

Engineering inference

Custom USB devices (HID, MIDI, serial)

USB is on the main chip (STM32F446RET6), so the board can enumerate as a keyboard, MIDI device or CDC serial port.

Engineering inference

Arduino shield ecosystem

Arduino Uno-compatible headers accept existing shields.

Engineering inference

Learning and fast prototyping

Programs from STM32Cube, Arm Mbed, Arduino.

Engineering inference

Inside this board

The board is the parent product. Each chip has its own memory, pins, capabilities and thermal limits.

main processor

STM32F446RET6

STMicroelectronics

217951c7-67a5-5abd-8e11-42d9db7e6653--mcu
Architecture
Arm Cortex-M4 with FPU
Documented clock
180 MHz
Chip / in-package flash
512 KiB
On-chip SRAM
128 KiB
Chip capabilities and thermal limits

Chip-level capabilities have not been documented.

Chip capabilities require suitable board wiring, supply and firmware. They do not establish which interfaces are exposed on this board.

debugger

STM32F103CBT6 (ST-LINK/V2-1)

STMicroelectronics

217951c7-67a5-5abd-8e11-42d9db7e6653--u2
Chip capabilities and thermal limits

Chip-level capabilities have not been documented.

Chip capabilities require suitable board wiring, supply and firmware. They do not establish which interfaces are exposed on this board.

ldo regulator

LD39050PU33R

STMicroelectronics

217951c7-67a5-5abd-8e11-42d9db7e6653--u4
Chip capabilities and thermal limits

Chip-level capabilities have not been documented.

Chip capabilities require suitable board wiring, supply and firmware. They do not establish which interfaces are exposed on this board.

crystal

ABS25-32.768KHZ-6-T (MB1136 C-03+)

Abracon

217951c7-67a5-5abd-8e11-42d9db7e6653--x2
Chip capabilities and thermal limits

Chip-level capabilities have not been documented.

Chip capabilities require suitable board wiring, supply and firmware. They do not establish which interfaces are exposed on this board.

FAQ

STM32 Nucleo-64 NUCLEO-F446RE (MB1136) questions

What microcontroller does the STM32 Nucleo-64 NUCLEO-F446RE (MB1136) use?

The STM32 Nucleo-64 NUCLEO-F446RE (MB1136) is built around the STM32F446RET6, alongside STM32F103CBT6 (ST-LINK/V2-1), LD39050PU33R, ABS25-32.768KHZ-6-T (MB1136 C-03+).

How many GPIO pins does the STM32 Nucleo-64 NUCLEO-F446RE (MB1136) have?

50 GPIO pins are exposed. Xirkit documents 114 board pins, 72 of them with pin-level electrical limits.

Are the STM32 Nucleo-64 NUCLEO-F446RE (MB1136) I/O pins 5 V tolerant?

68 pins are 5 V tolerant and 4 are not — check each pin in the pinout table before connecting 5 V signals.

How much current can a STM32 Nucleo-64 NUCLEO-F446RE (MB1136) GPIO pin source?

Documented output-high current per pin: ≤ 25 mA. Values are traced to the chip datasheet; see the pinout table for per-pin limits and conditions.

What voltage powers the STM32 Nucleo-64 NUCLEO-F446RE (MB1136)?

Supply range 1.65–12 V. Power inputs: E5V (4.75–5.25 V), VIN (7–12 V), VBAT (1.65–3.6 V), VIN (7–12 V), VDD_TARGET.

How much does the STM32 Nucleo-64 NUCLEO-F446RE (MB1136) cost?

From $18.66 at estore.st.com. Prices are observed unit prices before tax and shipping.

What are the STM32 Nucleo-64 NUCLEO-F446RE (MB1136) dimensions?

70 × 82.5 mm. A STEP model is available for enclosure fit checks.

Which interfaces does the STM32 Nucleo-64 NUCLEO-F446RE (MB1136) support?

gpio, spi, uart, qspi, sdio, camera, event, clock, timer, i2c, i2s, debug, can, audio, memory, adc, control, led, usb, dac, cec, button, rtc, wakeup, arduino, pwm.

How do I program the STM32 Nucleo-64 NUCLEO-F446RE (MB1136)?

Supported frameworks: STM32Cube, Arm Mbed, Arduino (STM32duino).

Where does this STM32 Nucleo-64 NUCLEO-F446RE (MB1136) data come from?

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

Data & sources

Where these values come from

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