Overview
The Texas Instruments MSP430FR2422IRHLR is a 16-bit microcontroller that is part of the MSP430™ value line microcontroller portfolio. This MCU is designed for sensing and measurement applications, particularly in low-power, battery-operated devices. It features a 16-bit RISC architecture, supporting clock frequencies up to 16 MHz, and operates within a wide supply voltage range from 3.6 V down to 1.8 V. The MSP430FR2422IRHLR combines embedded ferroelectric RAM (FRAM) with a holistic ultra-low-power system architecture, enabling high performance while reducing energy consumption. The device is available in 16-pin TSSOP and 20-pin VQFN packages.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Architecture | 16-bit RISC |
| Clock Frequency | Up to 16 MHz |
| Supply Voltage Range | 3.6 V to 1.8 V |
| Nonvolatile Memory | 8 KB FRAM (7.25 KB program FRAM, 256 B information FRAM) |
| RAM | 2 KB |
| Analog-to-Digital Converter (ADC) | 8-channel, 10-bit, 200 ksps |
| Timers | Two 16-bit timers with three capture/compare registers each |
| Real-Time Clock (RTC) | 16-bit counter-only RTC |
| Serial Communication | eUSCI_A (UART, IrDA, SPI), eUSCI_B (SPI, I2C) |
| Input/Output Pins | 15 I/Os (VQFN-20 package), 11 I/Os (TSSOP-16 package) |
| Low-Power Modes | Active: 120 µA/MHz, Standby (LPM3.5): 710 nA, Shutdown (LPM4.5): 36 nA |
| Package Options | 20-pin VQFN (RHL), 16-pin TSSOP (PW) |
Key Features
- Ultra-Low-Power Modes: Optimized for extended battery life with active mode at 120 µA/MHz, standby mode at 710 nA, and shutdown mode at 36 nA.
- Ferroelectric RAM (FRAM): Combines the benefits of RAM and flash, offering low-energy fast writes, high endurance, and nonvolatility.
- High-Performance Analog: Includes an 8-channel 10-bit ADC with a sample-and-hold rate of 200 ksps and an internal 1.5-V reference.
- Intelligent Digital Peripherals: Features two 16-bit timers, a 16-bit counter-only RTC, and a 16-bit cyclic redundancy check (CRC).
- Enhanced Serial Communications: Supports UART, IrDA, SPI, and I2C with pin remap feature.
- Development Tools and Software: Supported by the MSP-TS430RHL20 development board and MSP430Ware software within Code Composer Studio.
Applications
- Industrial Sensors: Suitable for various industrial sensing applications due to its low power and high accuracy.
- Battery Packs: Ideal for battery management systems requiring low power consumption.
- Portable Appliances: Used in portable devices such as electric toothbrushes and other battery-powered appliances.
- Low-Power Medical, Health, and Fitness Devices: Optimized for use in medical and fitness devices that require extended battery life.
Q & A
- What is the maximum clock frequency of the MSP430FR2422IRHLR?
Up to 16 MHz.
- What type of memory does the MSP430FR2422IRHLR use?
Ferroelectric RAM (FRAM) with 8 KB of nonvolatile memory.
- How many channels does the ADC have?
8-channel, 10-bit ADC.
- What are the available package options for the MSP430FR2422IRHLR?
20-pin VQFN (RHL) and 16-pin TSSOP (PW).
- What are the typical power consumption values for the MSP430FR2422IRHLR in different modes?
Active mode: 120 µA/MHz, Standby (LPM3.5): 710 nA, Shutdown (LPM4.5): 36 nA.
- Does the MSP430FR2422IRHLR support serial communication protocols?
Yes, it supports UART, IrDA, SPI, and I2C.
- What development tools are available for the MSP430FR2422IRHLR?
MSP-TS430RHL20 development board and MSP430Ware software within Code Composer Studio.
- What are some typical applications for the MSP430FR2422IRHLR?
Industrial sensors, battery packs, portable appliances, and low-power medical, health, and fitness devices.
- How many I/O pins does the MSP430FR2422IRHLR have?
15 I/Os on the VQFN-20 package and 11 I/Os on the TSSOP-16 package.
- Is the MSP430FR2422IRHLR radiation resistant?
Yes, it is radiation resistant and nonmagnetic.
