Overview
The MSP430FR2422IPW16R is a mixed-signal microcontroller from Texas Instruments, 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, a clock that supports frequencies up to 16 MHz, and a wide supply voltage range from 3.6 V down to 1.8 V. The MSP430FR2422IPW16R is optimized for ultra-low-power modes, making it ideal for extending battery life in portable and battery-powered sensing applications.
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 | Up to 7.5 KB FRAM |
| SRAM | 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 Communications | eUSCI_A (UART, IrDA, SPI), eUSCI_B (SPI, I2C) |
| Package Options | 16-pin TSSOP (PW), 20-pin VQFN (RHL) |
| Low-Power Modes | Active: 120 µA/MHz, Standby (LPM3.5): 710 nA, Shutdown (LPM4.5): 36 nA |
| Interrupt Pins | 15 interrupt pins (P1 and P2) can wake MCU from low-power modes |
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.
- Low-Power Ferroelectric RAM (FRAM): Up to 7.5 KB of nonvolatile memory with built-in error correction code (ECC) and configurable write protection.
- High-Performance Analog: 8-channel 10-bit ADC with internal 1.5-V reference and sample-and-hold capability at 200 ksps.
- Intelligent Digital Peripherals: Two 16-bit timers, one 16-bit counter-only RTC, and 16-bit cyclic redundancy check (CRC).
- Enhanced Serial Communications: Support for UART, IrDA, SPI, and I2C with pin remap feature.
- Clock System: On-chip oscillators including 32-kHz RC oscillator, 16-MHz DCO with FLL, and external 32-kHz crystal oscillator.
- General Input/Output and Pin Functionality: Total of 15 I/Os on VQFN-20 package with interrupt pins that can wake the MCU from low-power modes.
Applications
- Industrial Sensors: Suitable for various industrial sensing applications due to its low power and high precision.
- 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: Suitable for medical and fitness devices that require low power consumption and high accuracy.
Q & A
- What is the maximum clock frequency of the MSP430FR2422IPW16R MCU?
The maximum clock frequency is up to 16 MHz.
- What is the supply voltage range for the MSP430FR2422IPW16R MCU?
The supply voltage range is from 3.6 V down to 1.8 V.
- How much nonvolatile memory does the MSP430FR2422IPW16R MCU have?
The MCU has up to 7.5 KB of nonvolatile FRAM.
- What type of ADC does the MSP430FR2422IPW16R MCU feature?
The MCU features an 8-channel, 10-bit ADC with a sample-and-hold capability of 200 ksps.
- What are the low-power modes available on the MSP430FR2422IPW16R MCU?
The MCU supports active mode, standby mode (LPM3.5), and shutdown mode (LPM4.5) with current consumptions of 120 µA/MHz, 710 nA, and 36 nA respectively.
- What serial communication interfaces are supported by the MSP430FR2422IPW16R MCU?
The MCU supports UART, IrDA, SPI, and I2C through its eUSCI_A and eUSCI_B modules.
- What are the package options available for the MSP430FR2422IPW16R MCU?
The MCU is available in 16-pin TSSOP (PW) and 20-pin VQFN (RHL) packages.
- How many interrupt pins does the MSP430FR2422IPW16R MCU have?
The MCU has 15 interrupt pins (P1 and P2) that can wake it from low-power modes.
- What development tools are available for the MSP430FR2422IPW16R MCU?
Development tools include the MSP-TS430RHL20 20-pin target development board and free MSP430Ware™ software.
- What is the significance of FRAM in the MSP430FR2422IPW16R MCU?
FRAM combines the low-energy fast writes of RAM with the nonvolatility of flash, offering high endurance and flexibility.
