Overview
The STM32F303ZET7, part of the STM32F303xD/E family from STMicroelectronics, is a high-performance microcontroller based on the ARM® Cortex®-M4 32-bit RISC core. This core operates at a frequency of 72 MHz and includes a floating-point unit (FPU), a memory protection unit (MPU), and an embedded trace macrocell (ETM). The device is designed for a wide range of applications requiring advanced peripherals and low-power capabilities.
The STM32F303ZET7 features high-speed embedded memories, including up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM. It also includes a flexible memory controller (FSMC) for static memories and an extensive range of enhanced I/Os and peripherals connected to AHB and APB buses.
The microcontroller operates within a temperature range of -40 to +105°C and is powered by a 2.0 to 3.6 V supply. It offers various power-saving modes, making it suitable for low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M4 32-bit CPU with 72 MHz FPU, single-cycle multiplication and HW division, 90 DMIPS (from CCM), DSP instruction and MPU |
| Operating Voltage | 2.0 V to 3.6 V |
| Flash Memory | Up to 512 Kbytes |
| SRAM | 64 Kbytes with HW parity check on the first 32 Kbytes, 16 Kbytes of SRAM on instruction and data bus (CCM) |
| ADCs | Four 12-bit ADCs (5 Msps), up to 40 channels |
| DACs | Two 12-bit DAC channels |
| Comparators | Seven ultra-fast rail-to-rail analog comparators |
| Operational Amplifiers | Four operational amplifiers in PGA mode |
| Timers | Up to 14 timers, including one 32-bit timer and multiple 16-bit timers |
| Communication Interfaces | CAN, three I2C, up to four SPIs, up to five USART/UARTs, USB 2.0 full-speed interface |
| Operating Temperature | -40 to +105°C |
| Package | LQFP 144 20x20x1.4 mm |
Key Features
- High-performance ARM® Cortex®-M4 32-bit CPU with FPU, operating at 72 MHz
- Up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM
- Flexible memory controller (FSMC) for static memories
- Four fast 12-bit ADCs, two 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, and four operational amplifiers
- Extensive range of timers, including advanced motor control timers
- Advanced communication interfaces: CAN, I2C, SPI, USART/UART, and USB 2.0 full-speed
- Low-power modes: Sleep, Stop, and Standby
- Up to 115 fast I/Os, all mappable on external interrupt vectors
- Capacitive sensing channels supporting touchkey, linear, and rotary touch sensors
Applications
The STM32F303ZET7 is suitable for a wide range of applications, including:
- Industrial control systems
- Medical devices requiring precise analog measurements
- Automotive systems, especially those needing advanced motor control
- Consumer electronics with touch sensing capabilities
- IoT devices requiring low power consumption and advanced communication interfaces
Q & A
- What is the core architecture of the STM32F303ZET7?
The STM32F303ZET7 is based on the ARM® Cortex®-M4 32-bit RISC core with an FPU.
- What is the maximum operating frequency of the STM32F303ZET7?
The maximum operating frequency is 72 MHz.
- How much Flash and SRAM memory does the STM32F303ZET7 have?
It has up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM.
- What types of ADCs and DACs are available on the STM32F303ZET7?
It features four 12-bit ADCs and two 12-bit DAC channels.
- What communication interfaces are supported by the STM32F303ZET7?
The device supports CAN, I2C, SPI, USART/UART, and USB 2.0 full-speed interfaces.
- What are the operating temperature ranges for the STM32F303ZET7?
The operating temperature range is -40 to +105°C.
- What package options are available for the STM32F303ZET7?
The device is available in an LQFP 144 20x20x1.4 mm package.
- Does the STM32F303ZET7 support low-power modes?
Yes, it supports Sleep, Stop, and Standby low-power modes.
- How many I/Os does the STM32F303ZET7 have?
The device has up to 115 fast I/Os.
- What types of timers are available on the STM32F303ZET7?
It includes one 32-bit timer and multiple 16-bit timers, including advanced motor control timers.
