Overview
The STM32F405ZGT6W 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 Cortex®-M4 core includes a floating-point unit (FPU) supporting all Arm single-precision data-processing instructions and data types, as well as a full set of 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 4 Kbytes of backup SRAM. It also includes an extensive range of enhanced I/Os and peripherals connected to multiple buses.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| CPU Speed | Up to 168 MHz |
| Program Memory | Up to 1 Mbyte of Flash memory |
| RAM Memory | Up to 192 Kbytes of SRAM (including 64 Kbytes of CCM data RAM) + 4 Kbytes of backup SRAM |
| OTP Memory | 512 bytes |
| Package | 144-Pin LQFP (20x20 mm) |
| Supply Voltage | 1.8 V to 3.6 V |
| Timers | 12 general-purpose 16-bit timers, 2 general-purpose 32-bit timers |
| ADCs | 3 × 12-bit ADCs, up to 24 channels |
| DACs | 2 × 12-bit DACs |
| Communication Interfaces | Up to 3 SPIs, 4 USARTs/2 UARTs, 2 CAN interfaces (2.0B Active), USB 2.0 full-speed/device/host/OTG, 10/100 Ethernet MAC |
| I/Os | Up to 140 I/O ports with interrupt capability |
Key Features
- High-Performance Core: Arm® Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator), and DSP instructions.
- Memory and Storage: Up to 1 Mbyte of flash memory, up to 192 Kbytes of SRAM, and 4 Kbytes of backup SRAM.
- Peripheral Interfaces: Includes three 12-bit ADCs, two 12-bit DACs, multiple timers, and a variety of communication interfaces such as SPI, USART, UART, CAN, USB, and Ethernet.
- Low-Power Operation: Sleep, Stop, and Standby modes, with VBAT supply for RTC and backup registers.
- Security and Debugging: Memory protection unit (MPU), true random number generator (RNG), and debug interfaces like SWD and JTAG.
- Clock and Supply Management: POR, PDR, PVD, and BOR, with internal oscillators and external crystal oscillator support.
Applications
- Industrial Automation: Motor control, industrial control systems, and automation.
- Medical Devices: Medical imaging, patient monitoring, and diagnostic equipment.
- Consumer Electronics: Smart home devices, audio and video equipment, and gaming consoles.
- Automotive Systems: Infotainment systems, driver assistance systems, and vehicle control units.
- Internet of Things (IoT): IoT devices, smart sensors, and connected appliances.
Q & A
- What is the core architecture of the STM32F405ZGT6W?
The STM32F405ZGT6W is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- What is the maximum CPU speed of the STM32F405ZGT6W?
The maximum CPU speed is up to 168 MHz.
- How much flash and SRAM memory does the STM32F405ZGT6W have?
It has up to 1 Mbyte of flash memory and up to 192 Kbytes of SRAM, including 64 Kbytes of CCM data RAM and 4 Kbytes of backup SRAM.
- What are the key communication interfaces available on the STM32F405ZGT6W?
The microcontroller includes SPI, USART, UART, CAN, USB, and Ethernet interfaces.
- Does the STM32F405ZGT6W support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes, along with VBAT supply for RTC and backup registers.
- What is the package type and pin count of the STM32F405ZGT6W?
The package type is 144-Pin LQFP (20x20 mm).
- What are the supply voltage and temperature ranges for the STM32F405ZGT6W?
The supply voltage range is 1.8 V to 3.6 V, and the operating temperature range varies by specific part number but generally includes a range from -40°C to 85°C or more.
- Does the STM32F405ZGT6W have any security features?
Yes, it includes a memory protection unit (MPU) and a true random number generator (RNG).
- What debugging interfaces are available on the STM32F405ZGT6W?
The microcontroller supports serial wire debug (SWD) and JTAG interfaces.
- What are some common applications for the STM32F405ZGT6W?
Common applications include industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
