MSP430FR68791IPN

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices
• Characteristics: Low power consumption, high performance, integrated peripherals
• Package: 80-pin LQFP (Low-profile Quad Flat Package)
• Essence: A microcontroller designed for low-power applications with integrated FRAM (Ferroelectric Random Access Memory) and various peripherals.
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on the supplier.

Specifications

• Architecture: 16-bit RISC
• CPU Speed: Up to 16 MHz
• Flash Memory: 256 KB
• RAM: 16 KB
• FRAM: 8 KB
• Operating Voltage: 1.8V - 3.6V
• Digital I/O Pins: 53
• Analog Input Channels: 24
• Communication Interfaces: UART, SPI, I2C, USB
• Timers: 4x 16-bit, 1x 32-bit
• ADC Resolution: 12-bit
• Temperature Sensor: Yes
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MSP430FR68791IPN has a total of 80 pins. The pin configuration is as follows:

• P1.x: GPIO pins (x = 0 to 7)
• P2.x: GPIO pins (x = 0 to 7)
• P3.x: GPIO pins (x = 0 to 7)
• P4.x: GPIO pins (x = 0 to 7)
• P5.x: GPIO pins (x = 0 to 7)
• P6.x: GPIO pins (x = 0 to 7)
• P7.x: GPIO pins (x = 0 to 7)
• P8.x: GPIO pins (x = 0 to 7)
• P9.x: GPIO pins (x = 0 to 7)
• P10.x: GPIO pins (x = 0 to 7)
• P11.x: GPIO pins (x = 0 to 7)
• P12.x: GPIO pins (x = 0 to 7)
• PJ.x: GPIO pins (x = 0 to 3)

Functional Features

• Low power consumption: The MSP430FR68791IPN is designed for low-power applications, making it suitable for battery-powered devices and energy-efficient systems.
• Integrated FRAM: The microcontroller features integrated FRAM, which provides non-volatile memory with fast write speeds, high endurance, and low power consumption.
• Rich peripheral set: It includes various peripherals such as UART, SPI, I2C, USB, timers, and an ADC, enabling easy integration with external devices and sensors.
• Temperature sensor: The built-in temperature sensor allows accurate temperature measurements without the need for additional components.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - Integrated FRAM provides fast and reliable non-volatile memory. - Rich peripheral set simplifies system integration. - Temperature sensor eliminates the need for external temperature measurement components.

Disadvantages: - Limited flash memory compared to some other microcontrollers in the same category. - Higher cost compared to some alternative models.

Working Principles

The MSP430FR68791IPN operates based on a 16-bit RISC architecture. It executes instructions fetched from its flash memory using a pipeline architecture, allowing for efficient instruction execution. The microcontroller can operate at speeds up to 16 MHz and supports low-power modes to minimize energy consumption when idle.

The integrated FRAM serves as both program memory and data storage, offering fast write speeds, high endurance, and low power consumption. The microcontroller's peripherals enable communication with external devices and sensors, facilitating the development of various applications.

Detailed Application Field Plans

The MSP430FR68791IPN is suitable for a wide range of applications, including but not limited to: - Internet of Things (IoT) devices - Wearable devices - Home automation systems - Industrial control systems - Sensor networks - Medical devices

Its low power consumption, integrated FRAM, and rich peripheral set make it an ideal choice for battery-powered and energy-efficient applications.

Detailed and Complete Alternative Models

Some alternative models to the MSP430FR68791IPN that offer similar features and capabilities include: - STM32L4 series by STMicroelectronics - PIC24F series by Microchip Technology - LPC54000 series by NXP Semiconductors - SAM D21 series by Microchip Technology

These alternative microcontrollers provide comparable performance, low power consumption, and a variety of integrated peripherals, offering options for different project requirements.

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