Overview
The STMicroelectronics STM32F437ZIT7 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4 core. This device operates at a frequency of up to 180 MHz and features a Floating Point Unit (FPU) with digital signal processing (DSP) instructions. The STM32F437ZIT7 is part of the STM32F4 family, known for its advanced peripherals and low-power capabilities, making it suitable for a wide range of applications including medical devices, alarm systems, PLCs, and industrial control systems.
Key Specifications
| Attribute | Value |
|---|---|
| Brand | STMicroelectronics |
| Family Name | STM32F4 |
| Package Type | LQFP |
| Mounting Type | Surface Mount |
| Pin Count | 144 |
| Device Core | ARM Cortex M4 |
| Data Bus Width | 32bit |
| Program Memory Size | 2.048 MB |
| Maximum Frequency | 180MHz |
| RAM Size | 256 kB |
| USB Channels | 2 |
| Number of PWM Units | 2 x 16 bit |
| Number of SPI Channels | 3 |
| Number of CAN Channels | 2 |
| Number of USART Channels | 4 |
| Number of UART Channels | 4 |
| Number of I2C Channels | 3 |
| Typical Operating Supply Voltage | 3.6 V |
| Maximum Number of Ethernet Channels | 1 |
| Minimum Operating Temperature | -40 °C |
| Instruction Set Architecture | DSP |
| Number of ADC Units | 3 (24 x 12 bit) |
| Maximum Operating Temperature | +105 °C |
| Dimensions | 20 x 20 x 1.4mm |
Key Features
- ARM 32-bit Cortex-M4 CPU with FPU: Supports all ARM single-precision data-processing instructions and includes a Floating Point Unit (FPU) for enhanced performance.
- Chrom-ART Accelerator and ART Accelerator: Enhance real-time performance and reduce latency.
- Memory: Up to 2 MB of Flash memory and up to 256 kB of SRAM, including 64 kB of CCM (core coupled memory) data RAM.
- Peripherals: Includes DACs, 12-bit ADCs, 16-bit and 32-bit timers, real-time clock (RTC), and a true random number generator (RNG).
- Communication Interfaces: USARTs, UARTs, SPI, I²C, CAN, SDIO, and an Ethernet MAC.
- Audio Connectivity: Dedicated audio PLL, I²S, and serial audio interface (SAI).
- Crypto/Hash Processor: Provides hardware acceleration for AES 128, 192, 256, Triple DES, and hash (MD5, SHA-1).
- Power Saving Modes: Allows for the design of low-power applications.
- Extendable Memory Range: Supports Compact Flash, SRAM, PSRAM, NOR, NAND, and SDRAM memories.
Applications
- Medical Applications: Suitable for medical devices due to its high performance and reliability.
- Alarm Systems: Ideal for security and alarm systems requiring advanced peripherals and low power consumption.
- PLCs and Industrial Applications: Used in industrial control systems and programmable logic controllers (PLCs) due to its robust features and peripherals.
- Application Control and User Interfaces: Suitable for application control and user interface applications requiring advanced communication interfaces and peripherals.
Q & A
- What is the core architecture of the STM32F437ZIT7?
The STM32F437ZIT7 is based on the ARM Cortex-M4 core with a Floating Point Unit (FPU) and digital signal processing (DSP) instructions.
- What is the maximum operating frequency of the STM32F437ZIT7?
The maximum operating frequency is 180 MHz.
- How much Flash and SRAM memory does the STM32F437ZIT7 have?
The device has up to 2 MB of Flash memory and up to 256 kB of SRAM, including 64 kB of CCM (core coupled memory) data RAM.
- What communication interfaces are available on the STM32F437ZIT7?
The device includes USARTs, UARTs, SPI, I²C, CAN, SDIO, and an Ethernet MAC.
- Does the STM32F437ZIT7 support audio interfaces?
Yes, it includes dedicated audio PLL, I²S, and serial audio interface (SAI).
- What is the operating temperature range of the STM32F437ZIT7?
The operating temperature range is from -40 °C to +105 °C.
- Does the STM32F437ZIT7 have a crypto/hash processor?
Yes, it provides hardware acceleration for AES 128, 192, 256, Triple DES, and hash (MD5, SHA-1).
- What are the power supply voltage ranges for the STM32F437ZIT7?
The power supply voltage ranges from 1.7 V to 3.6 V.
- What are the dimensions of the STM32F437ZIT7 package?
The dimensions are 20 x 20 x 1.4 mm.
- Is the STM32F437ZIT7 RoHS compliant?
Yes, it is RoHS compliant (Ecopack2).
