Overview
The MSP430FR5994IRGZR is a powerful microcontroller unit (MCU) from Texas Instruments, designed for a wide range of applications that require low power consumption and high performance. It is part of the MSP430 family, renowned for its ultra-low-power architecture, making it an ideal choice for battery-powered and portable devices. This MCU features a 16-bit RISC architecture with a clock speed of up to 16 MHz and includes up to 256 KB of ferroelectric random access memory (FRAM) and 8 KB of SRAM.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Architecture | 16-bit RISC |
| Clock Speed | Up to 16 MHz |
| Memory | Up to 256 KB FRAM, 8 KB SRAM |
| Low-Energy Accelerator (LEA) | Operation independent of CPU, 4KB of RAM shared with CPU |
| Analog-to-Digital Converter (ADC) | 12-bit ADC with up to 20 external input channels |
| Analog Comparator | 16-channel analog comparator |
| Timers | Six 16-bit timers with up to seven capture/compare registers each |
| Real-Time Clock (RTC) | With calendar and alarm functions |
| Encryption | 128- or 256-bit AES security encryption and decryption coprocessor |
| Power Consumption | Active Mode: 118 µA/MHz, Standby With VLO (LPM3): 500 nA, Standby With RTC (LPM3.5): 350 nA, Shutdown (LPM4.5): 45 nA |
| Serial Communication | Up to four eUSCI_A and eUSCI_B serial communication ports |
Key Features
- Low-Energy Accelerator (LEA) for signal processing, delivering fast and efficient vector math acceleration.
- Intelligent digital peripherals including a 32-bit hardware multiplier, 6-channel internal DMA, and six 16-bit timers.
- High-performance analog features such as a 16-channel analog comparator and a 12-bit ADC with window comparator, internal reference, and sample-and-hold.
- Multifunction input/output ports with capacitive-touch capability and edge-selectable wake from low-power modes.
- Code security and encryption with 128- or 256-bit AES security encryption and decryption coprocessor.
- Flexible clock system with fixed-frequency DCO, low-power low-frequency internal clock source (VLO), and support for 32-kHz and high-frequency crystals.
Applications
The MSP430FR5994IRGZR is suitable for a variety of applications, including battery-powered and portable devices, digital signal processing (DSP) applications, and any system requiring ultra-low power consumption and high performance. It is particularly useful in fields such as industrial automation, medical devices, and consumer electronics where power efficiency is crucial.
Q & A
- What is the maximum clock speed of the MSP430FR5994IRGZR? The maximum clock speed is up to 16 MHz.
- How much memory does the MSP430FR5994IRGZR have? It has up to 256 KB of FRAM and 8 KB of SRAM.
- What is the Low-Energy Accelerator (LEA) and its benefits? The LEA is a hardware module that delivers fast and efficient vector math acceleration, operating independently of the CPU and sharing 4KB of RAM with it. It is up to 40x faster than the Arm® Cortex®-M0+ core in certain tasks.
- What are the power consumption modes of the MSP430FR5994IRGZR? The device has several low-power modes: Active Mode (118 µA/MHz), Standby With VLO (LPM3: 500 nA), Standby With RTC (LPM3.5: 350 nA), and Shutdown (LPM4.5: 45 nA).
- Does the MSP430FR5994IRGZR support encryption? Yes, it supports 128- or 256-bit AES security encryption and decryption.
- What types of serial communication ports are available on the MSP430FR5994IRGZR? The device includes up to four eUSCI_A and eUSCI_B serial communication ports.
- What is the purpose of the analog comparator and ADC on the MSP430FR5994IRGZR? The 16-channel analog comparator and 12-bit ADC are used for high-performance analog functions, including window comparator, internal reference, and sample-and-hold.
- Can the MSP430FR5994IRGZR be used in battery-powered devices? Yes, it is designed for battery-powered and portable devices due to its ultra-low-power architecture.
- What development tools are available for the MSP430FR5994IRGZR? Development kits such as the MSP-EXP430FR5994 LaunchPad™ Development Kit and the MSP‑TS430PN80B Target Socket Board are available, along with MSP430Ware™ software.
- What are some typical applications of the MSP430FR5994IRGZR? Typical applications include industrial automation, medical devices, and consumer electronics where power efficiency is crucial.
