Overview
The MSP430FR5728IRGET is a member of the MSP430FR57xx family of ultra-low-power microcontrollers from Texas Instruments. This device is designed to provide a high level of integration and performance while minimizing power consumption, making it ideal for battery-powered and energy-harvesting applications.
The MSP430FR5728IRGET features a 16-bit RISC CPU with a maximum clock speed of 8 MHz and includes various peripherals and memory options to support a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core Processor | MSP430 CPUXV2 |
| Core Size | 16-Bit |
| Maximum Clock Speed | 8 MHz |
| Supply Voltage Range | 2 V to 3.6 V |
| Operating Temperature Range | –40°C to 85°C |
| Nonvolatile Memory (FRAM) | Up to 16 KB |
| RAM | 1 KB |
| Analog-to-Digital Converter (ADC) | 10-bit, 6 external channels + 2 internal channels |
| Analog Comparator | 10 channels with voltage reference and programmable hysteresis |
| Timers | Five 16-bit timers with up to three capture/compare registers |
| Serial Communication | eUSCI_A0 and eUSCI_A1: UART, IrDA, SPI; eUSCI_B0: SPI, I2C |
| Package Type | VQFN (24 pins), 4 mm x 4 mm |
Key Features
- Ultra-Low-Power Modes: Active Mode: 81.4 µA/MHz (Typical), Standby (LPM3 With VLO): 6.3 µA (Typical), Real-Time Clock (RTC) (LPM3.5 With Crystal): 1.5 µA (Typical), Shutdown (LPM4.5): 0.32 µA (Typical).
- Ultra-Low-Power Ferroelectric RAM (FRAM): Up to 16 KB of nonvolatile memory, ultra-low-power writes, fast write at 125 ns per word, built-in error correction coding (ECC) and memory protection unit (MPU).
- Intelligent Digital Peripherals: 32-bit hardware multiplier (MPY), three-channel internal DMA, real-time clock (RTC) with calendar and alarm functions, five 16-bit timers with up to three capture/compare registers, 16-bit cyclic redundancy checker (CRC).
- High-Performance Analog: 10-channel analog comparator with voltage reference and programmable hysteresis, 10-bit analog-to-digital converter (ADC) with internal reference and sample-and-hold.
- Enhanced Serial Communication: eUSCI_A0 and eUSCI_A1 support UART, IrDA, SPI; eUSCI_B0 supports SPI, I2C.
- Power Management System: Fully integrated LDO, supply voltage supervisor for core and supply voltages with reset capability, always-on zero-power brownout detection.
- Flexible Clock System: Fixed-frequency DCO with six selectable factory-trimmed frequencies, low-power low-frequency internal clock source (VLO), 32-kHz crystals (LFXT), high-frequency crystals (HFXT).
Applications
- Home Automation: Control and automation of home appliances and systems.
- Security: Intrusion detection, access control, and surveillance systems.
- Sensor Management: Monitoring and control of various sensors in industrial and consumer applications.
- Data Acquisition: Collecting and processing data from various sources in industrial, medical, and scientific applications.
Q & A
- What is the maximum clock speed of the MSP430FR5728IRGET?
The maximum clock speed is 8 MHz.
- What is the supply voltage range for the MSP430FR5728IRGET?
The supply voltage range is 2 V to 3.6 V.
- What type of nonvolatile memory does the MSP430FR5728IRGET use?
The device uses ultra-low-power Ferroelectric RAM (FRAM).
- How many channels does the analog-to-digital converter (ADC) have?
The ADC has 6 external channels and 2 internal channels.
- What are the ultra-low-power modes available on the MSP430FR5728IRGET?
The device supports Active Mode, Standby (LPM3 With VLO), Real-Time Clock (RTC) (LPM3.5 With Crystal), and Shutdown (LPM4.5) modes.
- What is the typical current consumption in Active Mode?
The typical current consumption in Active Mode is 81.4 µA/MHz.
- Does the MSP430FR5728IRGET support serial communication protocols?
Yes, it supports UART, IrDA, SPI, and I2C protocols through its eUSCI_A0, eUSCI_A1, and eUSCI_B0 interfaces.
- What is the operating temperature range of the MSP430FR5728IRGET?
The operating temperature range is –40°C to 85°C.
- What type of package is the MSP430FR5728IRGET available in?
The device is available in a VQFN (24 pins) package, 4 mm x 4 mm in size.
- What are some common applications for the MSP430FR5728IRGET?
Common applications include home automation, security, sensor management, and data acquisition.
