Overview
The Texas Instruments MSP430FR5728IRGER is a member of the MSP430FR57xx family of ultra-low-power microcontrollers. This device features an embedded 16-bit MSP430™ CPU, ultra-low-power ferroelectric RAM (FRAM), and a variety of peripherals optimized for extended battery life in portable and wireless sensing applications. The MSP430FR5728IRGER combines the speed, flexibility, and endurance of SRAM with the stability and reliability of flash, all at lower total power consumption.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Architecture | 16-Bit RISC |
| Clock Speed | Up to 8 MHz |
| Memory | 16KB FRAM, 1KB SRAM |
| Supply Voltage Range | 2 V to 3.6 V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | VQFN (RGE) with 24 pins |
| Analog-to-Digital Converter (ADC) | 12-Channel 10-Bit ADC with internal reference and sample-and-hold |
| Analog Comparator | 16-Channel with voltage reference and programmable hysteresis |
| Serial Communication | UART, SPI, I2C with multiple-slave addressing |
| Timers | Five 16-Bit Timers with up to three capture/compare registers |
| Real-Time Clock (RTC) | With calendar and alarm functions |
| Power Consumption (Active Mode) | 81.4 µA/MHz (Typical) |
| Power Consumption (Standby LPM3 with VLO) | 6.3 µA (Typical) |
| Power Consumption (RTC LPM3.5 with Crystal) | 1.5 µA (Typical) |
| Power Consumption (Shutdown LPM4.5) | 0.32 µA (Typical) |
Key Features
- Ultra-low-power modes including Active, Standby, RTC, and Shutdown modes to extend battery life.
- Ultra-low-power ferroelectric RAM (FRAM) with fast write times and built-in error correction coding (ECC) and memory protection unit (MPU).
- Intelligent digital peripherals including a 32-bit hardware multiplier, three-channel internal DMA, and a real-time clock with calendar and alarm functions.
- High-performance analog peripherals such as a 12-channel 10-bit ADC and a 16-channel analog comparator with voltage reference and programmable hysteresis.
- Enhanced serial communication capabilities including UART, SPI, and I2C with multiple-slave addressing.
- Flexible clock system with fixed-frequency DCO, low-power low-frequency internal clock source (VLO), and support for 32-kHz and high-frequency crystals.
- Power management system with fully integrated LDO, supply voltage supervisor, and always-on zero-power brownout detection.
Applications
The MSP430FR5728IRGER is designed for various applications that require ultra-low power consumption and advanced peripherals. These include:
- Portable and wireless sensing applications.
- Energy harvesting systems.
- Medical devices and health monitoring systems.
- Industrial automation and control systems.
- Smart home and IoT devices.
Q & A
- What is the maximum clock speed of the MSP430FR5728IRGER?
The maximum clock speed is up to 8 MHz. - What type of memory does the MSP430FR5728IRGER use?
The device uses ultra-low-power ferroelectric RAM (FRAM) with 16KB of nonvolatile memory and 1KB of SRAM. - What is the operating temperature range of the MSP430FR5728IRGER?
The operating temperature range is -40°C to 85°C. - What types of serial communication protocols are supported by the MSP430FR5728IRGER?
The device supports UART, SPI, and I2C with multiple-slave addressing. - What are the power consumption levels in different modes?
The power consumption levels are 81.4 µA/MHz in Active Mode, 6.3 µA in Standby (LPM3 with VLO), 1.5 µA in RTC (LPM3.5 with Crystal), and 0.32 µA in Shutdown (LPM4.5) mode. - Does the MSP430FR5728IRGER have built-in error correction and memory protection?
Yes, it has built-in error correction coding (ECC) and a memory protection unit (MPU). - What development tools are available for the MSP430FR5728IRGER?
Development tools include the Code Composer Studio™ IDE, MSP-EXP430FR5739 kit, MSP-FET430U40A full development kit, and the MSP-TS430RHA40A target board. - What is the package type and pin count of the MSP430FR5728IRGER?
The package type is VQFN (RGE) with 24 pins. - Does the MSP430FR5728IRGER support real-time clock functions?
Yes, it includes a real-time clock with calendar and alarm functions. - What is the ADC resolution and sample rate of the MSP430FR5728IRGER?
The device features a 12-channel 10-bit ADC with a sample rate of up to 200 ksps at 100-µA consumption.
