Overview
The MSP430FR2311IPW20 is a 16-bit ultra-low-power microcontroller from Texas Instruments, part of the MSP430™ MCU value line sensing family. This device integrates a range of advanced features, including a configurable low-leakage transimpedance amplifier (TIA), a general-purpose operational amplifier, and a powerful 16-bit RISC CPU. The microcontroller is designed to optimize low-power modes, making it suitable for applications requiring extended battery life, such as portable and wireless sensing devices. The MSP430FR2311IPW20 comes in a 20-pin TSSOP (PW20) package and is supported by an extensive hardware and software ecosystem, including the MSP‑EXP430FR2311 LaunchPad™ development kit and the MSP‑TS430PW20 target development board.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU Architecture | 16-bit RISC |
| Maximum Clock Frequency | 16 MHz |
| Supply Voltage Range | 3.6 V to 1.8 V |
| Non-volatile Memory | 3.75 KB FRAM |
| RAM | 1 KB |
| ADC | 8-channel, 10-bit |
| Operational Amplifier | General-purpose OpAmp with rail-to-rail input and output |
| Transimpedance Amplifier (TIA) | Configurable, low-leakage |
| Digital-to-Analog Converter (DAC) | 6-bit |
| Timers | Two 16-bit timers with three capture/compare registers each |
| RTC Counter | 16-bit counter-only |
| CRC | 16-bit cyclic redundancy checker |
| Serial Communications | eUSCI_A (UART, IrDA, SPI), eUSCI_B (SPI, I2C) |
| Package Type | 20-pin TSSOP (PW20) |
| Operating Temperature Range | -40°C to 85°C |
| Low-Power Modes | Active: 126 µA/MHz, Standby (LPM3.5): 0.71 µA, Shutdown (LPM4.5): 32 nA |
Key Features
- Powerful 16-bit RISC CPU: Up to 16 MHz clock frequency.
- Low-Power Modes: Optimized for extended battery life with active mode at 126 µA/MHz, standby mode at 0.71 µA, and shutdown mode at 32 nA.
- Advanced Analog Peripherals: Includes a configurable low-leakage transimpedance amplifier (TIA), a general-purpose operational amplifier, and an 8-channel 10-bit ADC.
- Non-volatile Memory: 3.75 KB of FRAM with built-in error correction code (ECC) and configurable write protection.
- Digital Peripherals: Two 16-bit timers with three capture/compare registers each, a 16-bit counter-only RTC counter, and a 16-bit cyclic redundancy checker (CRC).
- Serial Communications: Enhanced USCI A and B supporting UART, IrDA, SPI, and I2C.
- Capacitive Touch I/Os: All general-purpose I/Os can be configured as capacitive touch I/Os.
- Development Tools: Supported by the MSP‑EXP430FR2311 LaunchPad™ development kit and the MSP‑TS430PW20 target development board.
Applications
- Smoke Detectors: Ideal for sensing and monitoring in smoke detection systems.
- Power Banks: Suitable for power management and monitoring in portable power banks.
- Portable Health and Fitness: Used in wearable devices and health monitoring equipment.
- Power Monitoring: Effective for monitoring and managing power in various applications.
- Personal Electronics: Applicable in a wide range of personal electronic devices requiring low power consumption.
Q & A
- What is the maximum clock frequency of the MSP430FR2311IPW20?
The maximum clock frequency is 16 MHz.
- What type of non-volatile memory does the MSP430FR2311IPW20 use?
The device uses 3.75 KB of FRAM (Ferroelectric Random Access Memory).
- What are the key analog peripherals of the MSP430FR2311IPW20?
The key analog peripherals include a configurable low-leakage transimpedance amplifier (TIA), a general-purpose operational amplifier, and an 8-channel 10-bit ADC.
- What are the low-power modes available on the MSP430FR2311IPW20?
The device features active mode at 126 µA/MHz, standby mode (LPM3.5) at 0.71 µA, and shutdown mode (LPM4.5) at 32 nA.
- What development tools are available for the MSP430FR2311IPW20?
The device is supported by the MSP‑EXP430FR2311 LaunchPad™ development kit and the MSP‑TS430PW20 target development board.
- What is the operating temperature range of the MSP430FR2311IPW20?
The operating temperature range is -40°C to 85°C.
- What types of serial communication interfaces are supported by the MSP430FR2311IPW20?
The device supports UART, IrDA, SPI, and I2C through enhanced USCI A and B interfaces.
- Can the general-purpose I/Os be configured as capacitive touch I/Os?
- What are some typical applications of the MSP430FR2311IPW20?
- What is the package type of the MSP430FR2311IPW20?
