Overview
The MSP430FR4133IG56R is a 16-bit ultra-low-power microcontroller from Texas Instruments, part of the MSP430FR41x family. This microcontroller is designed for low-cost LCD applications and features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators for maximum code efficiency. It supports a wide supply voltage range from 3.6 V down to 1.8 V and includes extensive low-power modes to achieve extended battery life in portable measurement applications.
The device integrates ferroelectric random access memory (FRAM), which combines the benefits of RAM and flash memory, offering low-energy fast writes, flexibility, and high endurance. The MSP430FR4133IG56R is supported by a comprehensive hardware and software ecosystem, including reference designs, code examples, and development kits like the MSP-EXP430FR4133 LaunchPad.
Key Specifications
| Specification | Details |
|---|---|
| Processor | 16-bit RISC CPU, up to 16 MHz |
| Supply Voltage | 3.6 V to 1.8 V |
| Power Consumption | Active mode: 126 µA/MHz, Standby mode: <1 µA with RTC and LCD, Shutdown (LPM4.5): 15 nA |
| Memory | Up to 15.5 KB of nonvolatile FRAM, 2 KB of RAM |
| ADC | 10-channel 10-bit analog-to-digital converter, 200 ksps |
| LCD Driver | Supports up to 4×36 or 8×32 segment LCD configuration |
| Timers and Counters | Two 16-bit timers with three capture/compare registers each, 16-bit RTC counter |
| Serial Communication | eUSCI_A (UART, IrDA, SPI), eUSCI_B (SPI, I2C) |
| Clock System | On-chip 32-kHz RC oscillator, 16-MHz DCO with FLL, ±1% accuracy at room temperature |
| Package Options | LQFP (64-pin), TSSOP (56-pin and 48-pin) |
Key Features
- Ultra-low-power modes for extended battery life, including active mode, standby mode, and shutdown mode.
- High-performance analog capabilities with a 10-bit ADC and internal 1.5-V reference.
- Integrated low-power LCD driver supporting up to 4×36 or 8×32 segment configurations.
- Ferroelectric random access memory (FRAM) with built-in error correction code (ECC) and configurable write protection.
- Intelligent digital peripherals including IR modulation logic, timers, and a 16-bit cyclic redundancy checker (CRC).
- Enhanced serial communication interfaces (eUSCI_A and eUSCI_B) supporting UART, IrDA, SPI, and I2C.
- A robust clock system with on-chip oscillators and a digitally controlled oscillator (DCO) with frequency-locked loop (FLL).
- Capacitive touch I/O capabilities and pin-interrupt functions to wake the MCU from low-power modes.
Applications
- Remote controls
- Thermostats
- Water meters
- Heat meters
- Gas meters
- One-time password tokens
- Blood glucose monitors
- Blood pressure monitors
Q & A
- What is the maximum operating frequency of the MSP430FR4133IG56R?
The maximum operating frequency is up to 16 MHz.
- What are the power consumption characteristics of the MSP430FR4133IG56R?
The device consumes 126 µA/MHz in active mode, less than 1 µA in standby mode with RTC and LCD, and 15 nA in shutdown mode (LPM4.5).
- What types of memory does the MSP430FR4133IG56R have?
The device features up to 15.5 KB of nonvolatile FRAM and 2 KB of RAM.
- What is the resolution and sampling rate of the ADC in the MSP430FR4133IG56R?
The ADC is a 10-bit, 10-channel converter with a sampling rate of 200 ksps.
- What LCD configurations does the MSP430FR4133IG56R support?
The device supports up to 4×36 or 8×32 segment LCD configurations.
- What serial communication interfaces are available on the MSP430FR4133IG56R?
The device includes eUSCI_A (UART, IrDA, SPI) and eUSCI_B (SPI, I2C) interfaces.
- What clock sources are available on the MSP430FR4133IG56R?
The device features an on-chip 32-kHz RC oscillator, a 16-MHz DCO with FLL, and a very low-frequency 10-kHz oscillator.
- What are the package options for the MSP430FR4133IG56R?
The device is available in LQFP (64-pin), TSSOP (56-pin), and TSSOP (48-pin) packages.
- What development tools are available for the MSP430FR4133IG56R?
Development tools include the MSP-EXP430FR4133 LaunchPad, MSP-TS430PM64D target development board, and MSP430Ware software.
- What are some typical applications of the MSP430FR4133IG56R?
Typical applications include remote controls, thermostats, smart meters, blood glucose monitors, and blood pressure monitors.
