MSP430FR68891IPNR

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 24 MHz
• Flash Memory: 256 KB
• RAM: 16 KB
• FRAM: 64 KB
• Operating Voltage Range: 1.8V - 3.6V
• Digital I/O Pins: 53
• Analog Input Channels: 16
• 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 MSP430FR68891IPNR has a total of 80 pins. The pin configuration is as follows:

• P1.x: General-purpose I/O pins (x = 0 to 7)
• P2.x: General-purpose I/O pins (x = 0 to 7)
• P3.x: General-purpose I/O pins (x = 0 to 7)
• P4.x: General-purpose I/O pins (x = 0 to 7)
• P5.x: General-purpose I/O pins (x = 0 to 7)
• P6.x: General-purpose I/O pins (x = 0 to 7)
• P7.x: General-purpose I/O pins (x = 0 to 7)
• P8.x: General-purpose I/O pins (x = 0 to 7)
• P9.x: General-purpose I/O pins (x = 0 to 7)
• P10.x: General-purpose I/O pins (x = 0 to 7)
• A.x: Analog input pins (x = 0 to 15)
• VCC: Power supply
• GND: Ground

Functional Features

• Low-power operation: The MSP430FR68891IPNR is designed for low-power applications, making it suitable for battery-powered devices and energy-efficient systems.
• Integrated FRAM: The microcontroller features integrated FRAM memory, which offers non-volatile storage with fast write speeds and high endurance.
• Rich set of peripherals: It includes various peripherals such as UART, SPI, I2C, USB, timers, and an ADC, providing flexibility for different application requirements.
• Temperature sensor: The built-in temperature sensor allows for accurate temperature measurements without the need for external components.

Advantages and Disadvantages

Advantages: - Low power consumption enables longer battery life in portable devices. - Integrated FRAM provides fast and reliable non-volatile memory. - Wide range of communication interfaces allows for easy integration with other devices. - Rich set of peripherals simplifies system design and development.

Disadvantages: - Limited flash memory and RAM compared to some higher-end microcontrollers. - Higher cost compared to some lower-end microcontrollers.

Working Principles

The MSP430FR68891IPNR operates based on a 16-bit RISC architecture. It executes instructions fetched from its flash memory using a pipeline architecture, enabling efficient processing. The microcontroller can operate at frequencies up to 24 MHz, providing high performance while maintaining low power consumption. It utilizes FRAM technology for non-volatile memory, which offers fast write speeds and high endurance.

Detailed Application Field Plans

The MSP430FR68891IPNR 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

Detailed and Complete Alternative Models

Some alternative models to the MSP430FR68891IPNR that offer similar features and capabilities include: - MSP430FR5994: Similar low-power microcontroller with integrated FRAM and a different pin configuration. - STM32L476RG: ARM Cortex-M4 microcontroller with low power consumption and a rich set of peripherals. - PIC18F46K22: 8-bit microcontroller with low power consumption and a wide range of communication interfaces.

These alternative models can be considered based on specific project requirements and compatibility with existing systems.

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