MSP430FR69891IPNR

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 varies based on order size.

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: 24
• Communication Interfaces: UART, SPI, I2C, USB
• Timers: 4x 16-bit TimerA, 1x 16-bit TimerB
• ADC Resolution: 12-bit
• Temperature Sensor: Yes
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MSP430FR69891IPNR has a total of 80 pins. The pin configuration is as follows:

• Pins 1-10: Digital I/O Pins
• Pins 11-34: Analog Input Pins
• Pins 35-42: Communication Interface Pins
• Pins 43-46: Timer Pins
• Pins 47-50: Power Supply and Ground Pins
• Pins 51-80: Reserved for other functions

Functional Features

• Ultra-low power consumption enables battery-powered applications.
• Integrated FRAM provides non-volatile memory with fast write speeds and high endurance.
• Rich set of peripherals including UART, SPI, I2C, and USB for versatile communication.
• Multiple timers for precise timing and event capture.
• Temperature sensor for monitoring environmental conditions.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life. - Integrated FRAM eliminates the need for external memory. - Wide operating voltage range allows flexibility in power supply. - Rich set of peripherals simplifies system design.

Disadvantages: - Limited flash memory compared to some other microcontrollers. - Higher cost compared to some alternatives. - Limited availability of alternative models with similar features.

Working Principles

The MSP430FR69891IPNR operates on a 16-bit RISC architecture. It executes instructions fetched from its internal memory using a pipeline structure, which enables high performance while minimizing power consumption. The integrated FRAM serves as both program memory and data storage, providing fast write speeds and high endurance. The microcontroller communicates with external devices through various interfaces such as UART, SPI, I2C, and USB. It also includes multiple timers for precise timing control and an ADC for analog signal acquisition.

Detailed Application Field Plans

The MSP430FR69891IPNR is suitable for a wide range of applications, including but not limited to:

1. Internet of Things (IoT) devices: With its low power consumption and integrated peripherals, it can be used in IoT devices such as smart home systems, environmental monitoring sensors, and wearable devices.
2. Industrial automation: The microcontroller's robustness and ability to operate in harsh environments make it suitable for industrial automation applications like process control, motor control, and data logging.
3. Medical devices: Its low power consumption and integrated peripherals make it ideal for portable medical devices such as patient monitors, insulin pumps, and diagnostic equipment.
4. Energy management systems: The MSP430FR69891IPNR can be used in energy management systems to monitor and control energy consumption in buildings, factories, and renewable energy systems.

Detailed and Complete Alternative Models

While the MSP430FR69891IPNR offers a unique combination of features, there are alternative microcontrollers available with similar capabilities. Some notable alternatives include:

1. STM32L4 series by STMicroelectronics
2. PIC24F series by Microchip Technology
3. LPC54000 series by NXP Semiconductors

These alternative models offer comparable low power consumption, integrated peripherals, and memory options. However, it is important to carefully evaluate the specific requirements of the application before selecting an alternative model.

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