Overview
The MSP430FR2311IPW16 is a 16-bit microcontroller from Texas Instruments, part of the MSP430™ MCU value line sensing family. This device integrates a powerful 16-bit RISC CPU, 16-bit registers, and a constant generator, contributing to maximum code efficiency. It features a wide supply voltage range from 3.6 V down to 1.8 V and optimized low-power modes, making it suitable for applications requiring extended battery life. The MCU includes embedded nonvolatile FRAM, a configurable low-leakage transimpedance amplifier (TIA), and a general-purpose operational amplifier, among other advanced peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Architecture | 16-bit RISC |
| Maximum Clock Speed | Up to 16 MHz |
| Supply Voltage Range | 3.6 V to 1.8 V |
| FRAM Memory | 3.75 KB |
| RAM | 1 KB |
| Package Type | 16-pin TSSOP (PW16) |
| 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 |
| Analog-to-Digital Converter (ADC) | 8-channel, 10-bit, 200 ksps |
| Digital-to-Analog Converter (DAC) | 6-bit |
| Transimpedance Amplifier (TIA) | Configurable low-leakage, current-to-voltage conversion |
| Operational Amplifier | General-purpose, rail-to-rail input and output |
| Timers | Two 16-bit timers with three capture/compare registers each |
| RTC Counter | 16-bit counter-only |
| Cyclic Redundancy Checker (CRC) | 16-bit |
| Serial Communications | eUSCI_A (UART, IrDA, SPI), eUSCI_B (SPI, I2C) |
| Clock System | On-chip 32-kHz RC oscillator, 16-MHz DCO, external 32-kHz and high-frequency crystal oscillators |
Key Features
- Embedded Microcontroller: 16-bit RISC architecture up to 16 MHz.
- Low-Power Modes: Optimized for low power consumption with active mode at 126 µA/MHz, standby mode at 0.71 µA, and shutdown mode at 32 nA.
- Analog Peripherals: Includes a configurable low-leakage transimpedance amplifier (TIA), general-purpose operational amplifier, 8-channel 10-bit ADC, and 6-bit DAC.
- FRAM Memory: 3.75 KB of nonvolatile FRAM with built-in error correction code (ECC) and configurable write protection.
- Digital Peripherals: Two 16-bit timers, one 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.
- Clock System: On-chip oscillators including 32-kHz RC, 16-MHz DCO, and external crystal oscillators.
- General Input/Output: 16 I/Os on 20-pin package, all of which are capacitive touch I/Os.
Applications
- Smoke Detectors: Suitable for sensing applications in smoke detection systems.
- Power Banks: Ideal for power management in portable power banks.
- Portable Health and Fitness: Used in wearable health and fitness devices due to its low power consumption.
- Power Monitoring: Applicable in power monitoring systems for efficient energy management.
- Personal Electronics: Suitable for various personal electronic devices requiring low power and advanced analog capabilities.
Q & A
- What is the maximum clock speed of the MSP430FR2311?
The maximum clock speed of the MSP430FR2311 is up to 16 MHz.
- What type of memory does the MSP430FR2311 use?
The MSP430FR2311 uses 3.75 KB of nonvolatile FRAM (Ferroelectric Random Access Memory).
- What are the low-power modes available on the MSP430FR2311?
The MSP430FR2311 has several low-power modes including active mode (126 µA/MHz), standby mode (0.71 µA), and shutdown mode (32 nA).
- What analog peripherals are included in the MSP430FR2311?
The MSP430FR2311 includes a configurable low-leakage transimpedance amplifier (TIA), a general-purpose operational amplifier, an 8-channel 10-bit ADC, and a 6-bit DAC.
- What are the package options for the MSP430FR2311?
The MSP430FR2311 is available in 20-pin TSSOP (PW20), 16-pin TSSOP (PW16), and 16-pin VQFN (RGY16) packages.
- What development tools are available for the MSP430FR2311?
Development tools include the MSP‑EXP430FR2311 LaunchPad™ development kit and the MSP‑TS430PW20 target development board.
- What is the operating temperature range of the MSP430FR2311?
The operating temperature range is from -40°C to 85°C.
- Does the MSP430FR2311 support capacitive touch I/Os?
Yes, all general-purpose I/Os on the MSP430FR2311 can be configured as capacitive touch I/Os.
- What serial communication interfaces are supported by the MSP430FR2311?
The MSP430FR2311 supports UART, IrDA, SPI, and I2C through its enhanced USCI A and B interfaces.
- Is the MSP430FR2311 radiation resistant?
Yes, the MSP430FR2311 is radiation resistant and nonmagnetic.
