Overview
The STR912FAW46X6T is a 16/32-bit Flash Microcontroller (MCU) produced by STMicroelectronics. It is part of the STR9 family and features the ARM966E-S RISC core, which operates at a frequency of up to 96 MHz. This MCU is designed for applications requiring high performance, low power consumption, and a wide range of peripherals. The device includes integrated Ethernet, USB, CAN, and other communication interfaces, making it suitable for various industrial, automotive, and consumer electronics applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM966E-S RISC core, 5-stage pipeline, Harvard architecture |
| Frequency | Up to 96 MHz |
| Package | 128-TQFP |
| Memory | Flash memory (details vary by specific model, typically up to 512 KB) |
| RAM | Up to 64 KB SRAM |
| Peripherals | Ethernet, USB, CAN, ADC, UART, SPI, I2C, etc. |
| Power Management | Run, Idle, and Sleep modes; dynamic clock control and gating |
| Supply Voltage | VDD: 1.8V to 3.6V, VDDQ: 2.7V to 3.6V |
| Low Voltage Detection | LVD circuitry for voltage monitoring and brownout detection |
Key Features
- High-Performance Core: The ARM966E-S RISC core provides a 5-stage pipeline and Harvard architecture for efficient processing.
- Low Power Consumption: Dynamic power management with Run, Idle, and Sleep modes to optimize power usage.
- Integrated Peripherals: Includes Ethernet, USB, CAN, ADC, UART, SPI, and I2C for comprehensive communication and data conversion capabilities.
- Independent A/D Converter Supply: Isolated analog voltage supply and ground connections for improved ADC performance.
- System Supervisor: Monitors system and environmental inputs, generating resets or interrupts as needed.
Applications
The STR912FAW46X6T is versatile and can be used in a variety of applications, including:
- Industrial Automation: For control systems, monitoring, and communication in industrial environments.
- Automotive Systems: Suitable for vehicle control units, infotainment systems, and other automotive applications.
- Consumer Electronics: Used in devices such as set-top boxes, gaming consoles, and other consumer electronic products.
- Medical Devices: Can be applied in medical equipment requiring high reliability and performance.
Q & A
- What is the core architecture of the STR912FAW46X6T?
The STR912FAW46X6T features the ARM966E-S RISC core with a 5-stage pipeline and Harvard architecture. - What is the maximum operating frequency of the MCU?
The maximum operating frequency is up to 96 MHz. - What types of communication interfaces are integrated into the MCU?
The MCU includes Ethernet, USB, CAN, UART, SPI, and I2C interfaces. - How does the MCU manage power consumption?
The MCU has dynamic power management with Run, Idle, and Sleep modes, and it can gate off individual clocks to peripherals. - What is the purpose of the Low Voltage Detection (LVD) circuitry?
The LVD circuitry monitors the supply voltage and generates early warning interrupts or resets if the voltage drops below the set thresholds. - Can the ADC have an independent power supply?
Yes, the ADC can have an isolated analog voltage supply and ground connections on certain packages. - What are the typical applications of the STR912FAW46X6T?
The MCU is used in industrial automation, automotive systems, consumer electronics, and medical devices. - How does the system supervisor function in the MCU?
The system supervisor monitors system and environmental inputs and can generate resets or interrupts based on configurable settings. - What are the supply voltage ranges for the MCU?
The supply voltage ranges are VDD: 1.8V to 3.6V and VDDQ: 2.7V to 3.6V. - Is the MCU suitable for battery-powered applications?
Yes, the MCU's power management features make it suitable for battery-powered applications, allowing for orderly shutdowns before batteries become too weak.
