Overview
The Texas Instruments MSP430F1491IPMG4 is a member of the MSP430 family of ultra-low-power microcontrollers (MCUs). This device is designed to optimize power consumption and extend battery life in portable measurement applications. It features a 16-bit RISC CPU with 16-bit registers and constant generators, ensuring maximum code efficiency. The MSP430F1491IPMG4 is part of the MSP430F14x and MSP430F14x1 series, which are known for their low-power modes and fast wake-up times from standby mode.
Key Specifications
| Specification | Value |
|---|---|
| Core Processor | MSP430 CPU16 |
| Core Speed | 8 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Program Memory Size | 60 KB (60K x 8 bits) + 256 Bytes of Flash Memory |
| RAM Size | 2 KB |
| ADC Specifications | 12-bit ADC with internal reference, sample-and-hold, and autoscan feature |
| Timers | 16-Bit Timer_B with seven capture/compare-with-shadow registers, 16-Bit Timer_A with three capture/compare registers |
| Communication Interfaces | Two USARTs (USART0, USART1) functioning as asynchronous UART or synchronous SPI interface |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | LQFP-64 |
| Number of I/O Pins | 48 |
Key Features
- Ultra-low power consumption: Active mode - 280 µA at 1 MHz, 2.2 V; Standby mode - 1.6 µA; Off mode (RAM retention) - 0.1 µA
- Five power-saving modes and fast wake-up from standby mode in less than 6 µs
- 16-bit RISC architecture with 125-ns instruction cycle time
- On-chip comparator and serial onboard programming without external programming voltage
- Programmable code protection by security fuse
- Serial communication interface (USART) with asynchronous UART or synchronous SPI functionality
- Digital controlled oscillator (DCO) for precise clock control
- Hardware multiplier for enhanced performance
Applications
The MSP430F1491IPMG4 is suitable for a variety of applications that require low power consumption and high performance. These include:
- Portable measurement devices
- Battery-powered devices
- Industrial control systems
- Medical devices
- Automotive systems
- Sensor networks and IoT devices
Q & A
- What is the core processor of the MSP430F1491IPMG4?
The core processor is the MSP430 CPU16.
- What is the operating voltage range of the MSP430F1491IPMG4?
The operating voltage range is from 1.8 V to 3.6 V.
- How much program memory does the MSP430F1491IPMG4 have?
The device has 60 KB (60K x 8 bits) of flash memory plus 256 bytes of additional flash memory.
- What types of timers are available on the MSP430F1491IPMG4?
The device features a 16-Bit Timer_B with seven capture/compare-with-shadow registers and a 16-Bit Timer_A with three capture/compare registers.
- Does the MSP430F1491IPMG4 support serial communication interfaces?
Yes, it supports two USARTs (USART0, USART1) that can function as asynchronous UART or synchronous SPI interfaces.
- What is the operating temperature range of the MSP430F1491IPMG4?
The operating temperature range is from -40°C to 85°C.
- How many I/O pins does the MSP430F1491IPMG4 have?
The device has 48 I/O pins.
- What is the package type of the MSP430F1491IPMG4?
The package type is LQFP-64.
- What are the power-saving modes available on the MSP430F1491IPMG4?
The device has five power-saving modes and can wake up from standby mode in less than 6 µs.
- Does the MSP430F1491IPMG4 have any onboard programming capabilities?
Yes, it supports serial onboard programming without the need for an external programming voltage.
