Overview
The MSP430FR2311IPW16R is a low-power 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 embedded nonvolatile ferroelectric RAM (FRAM) and various peripherals optimized for sensing and measurement applications. The MSP430FR2311IPW16R is well-suited for applications requiring extended battery life in portable and wireless sensing devices.
Key Specifications
| Parameter | Specification |
|---|---|
| Package | 16-pin TSSOP (PW16) |
| Operating Temperature Range | -40°C to 85°C |
| Architecture | 16-bit RISC |
| Maximum Clock Speed | Up to 16 MHz |
| Supply Voltage Range | 3.6 V to 1.8 V |
| Memory | 3.75 KB of program FRAM, 1 KB of RAM |
| Analog-to-Digital Converter (ADC) | 8-channel, 10-bit, 200 ksps |
| Transimpedance Amplifier (TIA) | Current-to-voltage conversion, half-rail input, low-leakage negative input, rail-to-rail output |
| Power Consumption | Active mode: 126 µA/MHz, Standby (LPM3.5): 0.71 µA, Shutdown (LPM4.5): 32 nA |
| Clock System | On-chip 32-kHz RC oscillator, 16-MHz DCO with FLL, external 32-kHz and high-frequency crystal oscillators |
| Serial Communications | eUSCI_A (UART, IrDA, SPI), eUSCI_B (SPI, I2C) |
| Timers and Counters | Two 16-bit timers with three capture/compare registers each, one 16-bit RTC counter |
Key Features
- Embedded microcontroller with 16-bit RISC architecture up to 16 MHz
- Wide supply voltage range from 3.6 V down to 1.8 V
- Optimized low-power modes: Active mode (126 µA/MHz), Standby (0.71 µA), Shutdown (32 nA)
- High-performance analog peripherals:
- Transimpedance amplifier (TIA) with current-to-voltage conversion and rail-to-rail output
- General-purpose operational amplifier with rail-to-rail input and output
- 8-channel 10-bit analog-to-digital converter (ADC) with internal 1.5-V reference
- Enhanced comparator (eCOMP) with programmable hysteresis and 6-bit digital-to-analog converter (DAC)
- Low-power ferroelectric RAM (FRAM) with up to 3.75 KB of nonvolatile memory, built-in error correction code (ECC), and configurable write protection
- Intelligent digital peripherals:
- IR modulation logic
- Two 16-bit timers with three capture/compare registers each
- One 16-bit counter-only RTC counter
- 16-bit cyclic redundancy checker (CRC)
- Enhanced serial communications: eUSCI_A (UART, IrDA, SPI), eUSCI_B (SPI, I2C)
- Clock system with on-chip oscillators and external crystal oscillator support
- General input/output and pin functionality with capacitive touch I/Os
Applications
- Smoke detectors
- Power banks
- Portable health and fitness accessories
- Power monitoring
- Personal electronics
Q & A
- What is the maximum clock speed of the MSP430FR2311IPW16R?
The maximum clock speed is up to 16 MHz.
- What type of memory does the MSP430FR2311IPW16R feature?
The device features 3.75 KB of program FRAM and 1 KB of RAM.
- What are the key analog peripherals of the MSP430FR2311IPW16R?
The key analog peripherals include a transimpedance amplifier (TIA), a general-purpose operational amplifier, an 8-channel 10-bit ADC, and an enhanced comparator (eCOMP) with a 6-bit DAC.
- What are the low-power modes available on the MSP430FR2311IPW16R?
The device supports active mode (126 µA/MHz), standby mode (0.71 µA), and shutdown mode (32 nA).
- What serial communication interfaces are supported by the MSP430FR2311IPW16R?
The device supports eUSCI_A (UART, IrDA, SPI) and eUSCI_B (SPI, I2C).
- What development tools are available for the MSP430FR2311IPW16R?
Development tools include the MSP‑EXP430FR2311 LaunchPad™ development kit and the MSP‑TS430PW20 target development board.
- What is the operating temperature range of the MSP430FR2311IPW16R?
The operating temperature range is from -40°C to 85°C.
- Does the MSP430FR2311IPW16R support capacitive touch I/Os?
- What is the purpose of the FRAM in the MSP430FR2311IPW16R?
The FRAM combines the speed, flexibility, and endurance of SRAM with the stability and reliability of flash, offering lower total power consumption.
- Can the MSP430FR2311IPW16R wake up from low-power modes quickly?
