Overview
The STM32F405OGY6TR is a high-performance microcontroller from STMicroelectronics, part of the STM32F405xx and STM32F407xx family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 168 MHz. The core includes a floating-point unit (FPU) and supports all Arm single-precision data-processing instructions and data types, along with DSP instructions and a memory protection unit (MPU) for enhanced application security.
This microcontroller features high-speed embedded memories, including up to 1 Mbyte of flash memory, up to 192 Kbytes of SRAM, and 512 bytes of OTP memory. It also includes a range of enhanced I/Os and peripherals connected to multiple buses.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator), frequency up to 168 MHz, memory protection unit, 210 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions |
| Memories | Up to 1 Mbyte of flash memory, up to 192+4 Kbytes of SRAM including 64-Kbyte of CCM (core coupled memory) data RAM, 512 bytes of OTP memory |
| Supply Voltage | 1.8 V to 3.6 V application supply and I/Os |
| Timers | Up to 17 timers: up to twelve 16-bit and two 32-bit timers up to 168 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input |
| ADCs/DACs | Three 12-bit ADCs, two 12-bit DACs |
| Communication Interfaces | Up to 3 × I2C interfaces, up to 4 USARTs/2 UARTs, up to 3 SPIs, 2 × CAN interfaces (2.0B Active), SDIO interface, USB 2.0 full-speed/device/host/OTG controller, 10/100 Ethernet MAC with dedicated DMA |
| Package | WLCSP 90 4x4.3x0.6 P 0.4 mm |
| Operating Temperature | Industrial grade, specific temperature range not specified in the sources but typically within the range of -40°C to 85°C for industrial grade |
Key Features
- High-performance Arm® Cortex®-M4 core with FPU and ART Accelerator for 0-wait state execution from flash memory
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, three AHB buses, and a 32-bit multi-AHB bus matrix
- Low-power operation with Sleep, Stop, and Standby modes
- VBAT supply for RTC, 20×32-bit backup registers + optional 4 KB backup SRAM
- Advanced connectivity options including USB 2.0, Ethernet, and CAN interfaces
- True random number generator, CRC calculation unit, and 96-bit unique ID
- RTC with subsecond accuracy and hardware calendar
- Up to 140 I/O ports with interrupt capability, up to 136 fast I/Os up to 84 MHz, and up to 138 5 V-tolerant I/Os
Applications
- Industrial automation and control systems
- Medical devices requiring high precision and low power consumption
- Aerospace and defense applications where reliability and performance are critical
- Consumer electronics such as smart home devices and IoT applications
- Automotive systems, including advanced driver-assistance systems (ADAS) and infotainment systems
- Communication and networking equipment
Q & A
- What is the core architecture of the STM32F405OGY6TR?
The STM32F405OGY6TR is based on the Arm® Cortex®-M4 32-bit RISC core with a floating-point unit (FPU) and supports DSP instructions.
- What is the maximum operating frequency of the STM32F405OGY6TR?
The maximum operating frequency is up to 168 MHz.
- How much flash and SRAM memory does the STM32F405OGY6TR have?
It has up to 1 Mbyte of flash memory and up to 192+4 Kbytes of SRAM.
- What are the key communication interfaces available on the STM32F405OGY6TR?
It includes USB 2.0, Ethernet, CAN, I2C, SPI, and USART interfaces.
- Does the STM32F405OGY6TR support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes for low-power operation.
- What is the package type of the STM32F405OGY6TR?
The package type is WLCSP 90 4x4.3x0.6 P 0.4 mm.
- What is the purpose of the ART Accelerator in the STM32F405OGY6TR?
The ART Accelerator allows 0-wait state execution from flash memory.
- Does the STM32F405OGY6TR have a real-time clock (RTC)?
Yes, it includes an RTC with subsecond accuracy and a hardware calendar.
- How many I/O ports does the STM32F405OGY6TR have?
It has up to 140 I/O ports with interrupt capability.
- Is the STM32F405OGY6TR RoHS compliant?
Yes, it is RoHS compliant and meets the Ecopack2 standards.
- What are some typical applications of the STM32F405OGY6TR?
It is used in industrial automation, medical devices, aerospace, consumer electronics, and automotive systems.
