Overview
The Texas Instruments MSP430FR5729IDAR is a member of the MSP430FR572x 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 MSP430FR5729IDAR combines the speed, flexibility, and endurance of SRAM with the stability and reliability of flash, all at lower total power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU | 16-Bit MSP430 CPU, up to 8 MHz |
| Nonvolatile Memory | 16 KB FRAM |
| SRAM | 1 KB |
| ADC | 12-Channel 10-Bit ADC with internal reference and sample-and-hold |
| Comparators | 16-Channel Analog Comparator 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 |
| DMA | Three-Channel Internal DMA |
| Multiplier | 32-Bit Hardware Multiplier (MPY) |
| Operating Voltage | 2 V to 3.6 V |
| Operating Temperature | -40°C to 85°C |
| Package | 38-Pin TSSOP (DA) |
| GPIO Pins | 32 |
| Power Consumption | Active Mode: 81.4 µA/MHz, Standby (LPM3): 6.3 µA, RTC (LPM3.5): 1.5 µA, Shutdown (LPM4.5): 0.32 µA |
Key Features
- Ultra-low-power 16-bit MSP430 CPU with up to 8 MHz clock speed
- 16 KB of nonvolatile FRAM with ultra-low-power writes and fast write at 125 ns per word
- 12-Channel 10-Bit ADC with internal reference and sample-and-hold
- 16-Channel Analog Comparator with voltage reference and programmable hysteresis
- Three enhanced serial channels supporting UART, SPI, and I2C protocols
- Three-Channel Internal DMA and 32-Bit Hardware Multiplier (MPY)
- 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)
- Fully integrated LDO and supply voltage supervisor with reset capability
- Always-on zero-power brownout detection and serial onboard programming without external voltage
- Flexible clock system with fixed-frequency DCO and low-power low-frequency internal clock source (VLO)
Applications
The MSP430FR5729IDAR is optimized for various applications requiring ultra-low power consumption, such as:
- Portable and wireless sensing devices
- Battery-powered devices needing extended battery life
- Industrial automation and control systems
- Medical devices and health monitoring systems
- Smart home and IoT devices
Q & A
- What is the maximum clock speed of the MSP430FR5729IDAR?
The maximum clock speed is up to 8 MHz.
- How much nonvolatile memory does the MSP430FR5729IDAR have?
The device has 16 KB of nonvolatile FRAM.
- What types of serial communication protocols are supported?
The device supports UART, SPI, and I2C protocols.
- What is the operating voltage range of the MSP430FR5729IDAR?
The operating voltage range is from 2 V to 3.6 V.
- What is the typical power consumption in active mode?
The typical power consumption in active mode is 81.4 µA/MHz.
- Does the MSP430FR5729IDAR have a real-time clock?
- How many GPIO pins does the MSP430FR5729IDAR have?
The device has 32 GPIO pins.
- What is the package type of the MSP430FR5729IDAR?
The package type is a 38-Pin TSSOP (DA).
- Is the MSP430FR5729IDAR suitable for industrial temperature ranges?
- What development tools are available for the MSP430FR5729IDAR?
Development tools include the Code Composer Studio™ IDE, MSP-EXP430FR5739 kit, and MSP-FET430U40A full development kit.
