Overview
The Texas Instruments MSP430F5131IRSBR is a 16-bit ultra-low-power microcontroller from the MSP430F5xx family. This device is designed to optimize power consumption and extend battery life in various portable and embedded applications. It features a powerful 16-bit RISC CPU with 16-bit registers and constant generators, ensuring maximum code efficiency. The microcontroller includes several low-power modes and a flexible power-management system, allowing it to wake up from standby mode in less than 5 µs.
Key Specifications
| Parameter | Description |
|---|---|
| Core Processor | CPUXV2, 16-Bit RISC |
| Speed | 25 MHz |
| Program Memory Size | 8 KB (8K x 8) FLASH |
| RAM Size | 1 KB (1K x 8) |
| Supply Voltage | 1.8 V to 3.6 V |
| Package | 40-Pin WQFN (RSB) with Exposed Pad |
| Operating Temperature | -40°C to 85°C |
| Connectivity | I²C, IrDA, SCI, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | Up to 31 |
| ADC | 10-Bit, 200-ksps, up to 8 external channels and 2 internal channels |
| Timers | Two 16-Bit High-Resolution Timers (TD0, TD1), One 16-Bit Timer (TA0) |
Key Features
- Ultra-low power consumption: Active mode (AM) 180 µA/MHz, Standby mode (LPM3 WDT Mode, 3 V) 1.1 µA, Off mode (LPM4 RAM Retention, 3 V) 0.9 µA, Shutdown mode (LPM4.5, 3 V) 0.25 µA.
- Flexible power-management system with fully integrated LDO and supply voltage supervision.
- Unified clock system with FLL control loop, low-power low-frequency internal clock source (VLO), and low-frequency trimmed internal reference source (REFO).
- 32-bit hardware multiplier supporting 32-bit operations.
- 3-channel DMA.
- Up to twelve 5-V-tolerant digital I/Os with up to 20-mA drive strength.
- Universal Serial Communication Interfaces (USCIs): USCI_A0 and USCI_B0 supporting UART, IrDA, SPI, and I²C.
- On-chip comparator with ultra-low-power mode.
- Serial onboard programming without external programming voltage.
Applications
The MSP430F5131IRSBR is suitable for a variety of applications, including:
- Analog and digital sensor systems.
- LED lighting.
- Digital power supplies.
- Motor controls.
- Remote controls.
- Thermostats.
- Digital timers.
- Hand-held meters.
Q & A
- What is the core processor of the MSP430F5131IRSBR?
The core processor is CPUXV2, a 16-bit RISC architecture. - What is the maximum operating speed of the MSP430F5131IRSBR?
The maximum operating speed is 25 MHz. - How much program memory and RAM does the MSP430F5131IRSBR have?
The device has 8 KB of FLASH program memory and 1 KB of RAM. - What is the supply voltage range for the MSP430F5131IRSBR?
The supply voltage range is from 1.8 V to 3.6 V. - What types of communication interfaces are supported by the MSP430F5131IRSBR?
The device supports I²C, IrDA, SCI, SPI, and UART/USART. - What are the key peripherals of the MSP430F5131IRSBR?
The key peripherals include brown-out detect/reset, DMA, POR, PWM, and WDT. - How many I/O pins does the MSP430F5131IRSBR have?
The device has up to 31 I/O pins. - What is the resolution and sampling rate of the ADC in the MSP430F5131IRSBR?
The ADC is 10-bit with a sampling rate of up to 200 ksps. - What types of timers are available on the MSP430F5131IRSBR?
The device includes two 16-bit high-resolution timers (TD0, TD1) and one 16-bit timer (TA0). - What are some typical applications for the MSP430F5131IRSBR?
Typical applications include analog and digital sensor systems, LED lighting, digital power supplies, motor controls, remote controls, thermostats, digital timers, and hand-held meters.
