Part Number: STR912FAW44X6

Manufacturer: STMicroelectronics

Description: IC MCU 32BIT 512KB FLASH 128LQFP

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Technical Specifications of STR912FAW44X6

Datasheet  STR912FAW44X6 datasheet
Category Integrated Circuits (ICs)
Family Embedded – Microcontrollers
Manufacturer STMicroelectronics
Series STR9
Packaging Tray
Part Status Active
Core Processor ARM9?
Core Size 32-Bit
Speed 96MHz
Connectivity CAN, EBI/EMI, Ethernet, I2C, IrDA, Microwire, SPI, SSI, SSP, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, WDT
Number of I/O 80
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
RAM Size 96K x 8
Voltage – Supply (Vcc/Vdd) 1.65 V ~ 2 V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Package / Case 128-LQFP
Supplier Device Package *

STR912FAW44X6 Introduction

The STR91xFA series of microcontrollers is a strong and adaptable option for a range of embedded applications. The STR912FAW44X6 microcontroller is described in general terms in this guide, with an emphasis on its salient characteristics, usefulness, and applications. This thorough manual will assist you in comprehending and making the most of the possibilities of the STR912FAW44X6, regardless of whether you work on point-of-sale terminals, industrial automation, or medical equipment.

Introduction to the STR91xFA Series

Overview of ARM-Powered Microcontrollers

Due to their excellent performance capabilities, energy efficiency, and wide software ecosystem, ARM-powered microcontrollers have grown in popularity in the embedded systems sector. These microcontrollers are built using the ARM architecture, which gives users access to a wide range of development tools and a standardised instruction set. One such family of ARM-powered microcontrollers that provides a variety of capabilities and advantages for different embedded applications is the STR91xFA series.

Features of the STR912FAW44X6

A specific model from the STR91xFA family is the STR912FAW44X6. It includes the following salient characteristics:

  • RISC processor core, ARM966E-S: The STR912FAW44X6 has an ARM966E-S RISC processor core that is 16 or 32 bits in size. This core is appropriate for a variety of applications since it strikes a compromise between performance and energy economy.
  • The microcontroller has dual-bank flash memory, which makes it possible to upgrade the firmware quickly and securely. With the help of this feature, system downtime is kept to a minimum while updates are performed.
  • Large SRAM: For storing data or code, the STR912FAW44X6 has a sizable quantity of SRAM (static random-access memory). Ample SRAM enables effective programme execution and simplifies data handling tasks in real-time applications.
  • Rich Peripheral Set: The microcontroller has a wide range of peripherals that make it possible to integrate it with external devices in an easy and seamless manner. ADCs, clocks, communication interfaces (such as UART, SPI, and I2C), and general-purpose input/output (GPIO) pins are a few examples of these peripherals.

Benefits of using the STR91xFA series

For those creating embedded systems, the STR91xFA family, which includes the STR912FAW44X6, has various advantages:

  • Versatility: The series supports a wide range of uses, including POS terminals, industrial automation, security and surveillance systems, vending machines, communication gateways, serial protocol conversion, and medical equipment. It is suitable for a variety of industry sectors due to its adaptability.
  • Performance: The STR91xFA series offers exceptional performance for carrying out difficult tasks, including single-cycle DSP (Digital Signal Processing) instructions, thanks to its ARM966E-S CPU core. Applications involving speech processing, audio algorithms, and low-end imaging benefit most from this performance.
  • Energy Efficiency: Microcontrollers powered by ARM are renowned for their energy-efficient architecture. The STR91xFA series is appropriate for battery-powered or low-power applications since it has been optimised to reduce power consumption. Overall power consumption is decreased and battery life is increased thanks to this function.

A large software environment is advantageous for the STR91xFA series, which is built on the ARM architecture. Software development is made easier and takes less time to complete thanks to developers’ access to a variety of operating systems, libraries, and development tools.

Architecture and Processor Core

● ARM966E-S RISC Processor Core

The ARM966E-S RISC (Reduced Instruction Set Computing) CPU core serves as the structural foundation of the STR912FAW44X6 microcontroller. By having a smaller set of instructions that may be completed in a single clock cycle, RISC architecture places an emphasis on efficiency and simplicity. The 16- or 32-bit instruction set of the ARM966E-S core strikes a compromise between performance and code density.

In comparison to complex instruction set computing (CISC) architectures, the ARM966E-S core’s RISC design has a number of benefits, including effective instruction execution, lower power consumption, and faster speed. It is highly suited for embedded applications because it is made to efficiently handle real-time processing duties.

● Single-Cycle DSP Instructions

The ARM966E-S core’s capacity to carry out single-cycle DSP (digital signal processing) instructions is one of its distinguishing qualities. Filtering, modulation, and transformation are a few examples of the common mathematical processes that are handled by DSP instructions. The STR912FAW44X6 microcontroller effectively handles low-end image duties, audio signal processing, and audio algorithms by carrying out DSP instructions in a single cycle.

DSP instructions are executed in a single cycle, which speeds up real-time performance and cuts down on processing time. Due to this ability, the STR912FAW44X6 is a good choice for activities requiring quick and effective mathematical computations, such as audio processing, speech recognition, low-end image processing, and others.

● Performance for Audio Algorithms and Imaging

The STR912FAW44X6 microcontroller can perform single-cycle DSP instructions with the ARM966E-S core together to give dependable performance for audio algorithms and imaging workloads.

The microcontroller can effectively handle tasks including audio playback, audio recording, sound synthesis, and speech processing in audio applications. It can carry out intricate audio algorithms in real-time, enabling audio signal analysis or producing high-quality audio output.

The STR912FAW44X6 can handle low-end image processing tasks for imaging applications, including fundamental image filtering, edge detection, and picture enhancement. Although it might not have the computing power for complex imaging tasks, it can nevertheless be used successfully in applications that only require basic image processing.

Applications including portable audio devices, voice-controlled systems, security and surveillance systems with audio capabilities, and low-end image processing applications all depend on the STR912FAW44X6’s capability for audio algorithms and imaging.

Application Examples

● Point-of-Sale Terminal Implementation

The point-of-sale (POS) terminal implementation is well suited for the STR912FAW44X6 microcontroller. The efficient handling of activities including barcode scanning, payment processing, data storage, and user interface control is made possible by its powerful processing capabilities and wide peripheral set. Through its UART, SPI, or I2C interfaces, the microcontroller may communicate with peripherals like barcode scanners, card readers, and displays, enabling easy integration into a POS system.

● Industrial Automation System Design

The STR912FAW44X6 can function as a dependable embedded controller in industrial automation. To monitor and manage industrial operations, it may interact with a variety of sensors, actuators, and communication modules. The microcontroller’s real-time capabilities and core high-performance processor provide effective data processing and control algorithms. It is suited for activities including motor control, data collection, and communication with supervisory control and data acquisition (SCADA) systems due to its GPIO pins, timers, and communication interfaces.

● Security and surveillance integration

The STR912FAW44X6 can be used in security and surveillance systems to manage alarms and handle functions like video streaming and motion detection. Video cameras, sensors, and communication modules can all be interfaced with the microcontroller. It can process video data, use image processing to detect motion, and launch the proper responses in response to security incidents. Its UART, SPI, and Ethernet interfaces allow for smooth peripheral communication and network connectivity.

● Serial Protocol Conversion Techniques

The STR912FAW44X6 is used for converting serial protocols. It is capable of converting data between devices that use various serial protocols, including RS-232, RS-485, and CAN. When many devices with dissimilar communication interfaces need to communicate data, this functionality is useful. The microcontroller’s processing capability and UART, SPI, and I2C interfaces make it ideal for implementing several serial protocol conversion techniques.

● Medical equipment interface

It is possible to incorporate the STR912FAW44X6 into medical equipment to act as an interface between various parts. With sensors, actuators, displays, and other medical equipment, it can communicate. The microcontroller’s processing capacity and real-time capabilities enable medical applications to use effective data processing and control techniques. It can make duties like patient monitoring, data collection, and equipment control easier while ensuring precise and dependable functioning.

Closing Thoughts

The STR91xFA series’ STR912FAW44X6 microcontroller provides a strong and adaptable platform for a variety of embedded applications. Developers can create reliable and effective solutions for point-of-sale terminals, industrial automation, security and surveillance systems, vending machines, communication gateways, serial protocol conversion, and medical equipment by utilising the 16/32-bit ARM966E-S RISC processor core, dual-bank Flash memory, large SRAM, and rich peripheral set. This manual is a thorough resource that will enable you to make the most of the STR912FAW44X6 in your projects. Get a STR912FAW44X6 from ICRFQ and learn what it is capable of doing.

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