Overview
The Texas Instruments MSP430F1491IPMR 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 powerful 16-bit RISC CPU with 16-bit registers and constant generators, ensuring maximum code efficiency. The MSP430F1491IPMR is part of the MSP430F14x and MSP430F14x1 series, which are known for their low-power modes and versatile peripheral set.
Key Specifications
| Parameter | Value |
|---|---|
| Package | LQFP (PM) with 64 pins |
| Operating Temperature Range | -40°C to 85°C |
| Flash Memory | 60KB + 256 Bytes |
| RAM | 2KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Mode Current | 280 µA at 1 MHz, 2.2 V |
| Standby Mode Current | 1.6 µA |
| Off Mode (RAM Retention) Current | 0.1 µA |
| ADC Resolution | 12-bit with internal reference, sample-and-hold, and autoscan feature |
| Timers | 16-Bit Timer_A with three capture/compare registers, 16-Bit Timer_B with seven capture/compare-with-shadow registers |
| USARTs | Two USARTs (USART0, USART1) functioning as asynchronous UART or synchronous SPI interface |
| Comparator | On-chip comparator |
| Programming | Serial onboard programming, no external programming voltage needed, programmable code protection by security fuse |
Key Features
- Low Supply Voltage Range: 1.8 V to 3.6 V
- Ultra-Low Power Consumption with five power-saving modes
- 16-Bit RISC Architecture with 125-ns instruction cycle time
- 12-Bit Analog-to-Digital Converter (ADC) with internal reference, sample-and-hold, and autoscan feature
- 16-Bit Timer_A and Timer_B with capture/compare registers
- On-chip comparator
- Serial Communication Interface (USART) functioning as asynchronous UART or synchronous SPI interface
- Serial onboard programming with no external programming voltage needed and programmable code protection by security fuse
- Wakeup from standby mode in less than 6 µs
- Hardware multiplier for enhanced performance
Applications
- Sensor Systems
- Industrial Controls
- Hand-Held Meters
- Portable Measurement Applications
Q & A
- What is the package type of the MSP430F1491IPMR?
The MSP430F1491IPMR comes in an LQFP (PM) package with 64 pins.
- What is the operating temperature range of the MSP430F1491IPMR?
The operating temperature range is -40°C to 85°C.
- How much flash memory and RAM does the MSP430F1491IPMR have?
The device has 60KB + 256 Bytes of flash memory and 2KB of RAM.
- What is the supply voltage range for the MSP430F1491IPMR?
The supply voltage range is 1.8 V to 3.6 V.
- What is the current consumption in active mode?
The current consumption in active mode is 280 µA at 1 MHz, 2.2 V.
- What are the key features of the ADC in the MSP430F1491IPMR?
The ADC is a 12-bit converter with an internal reference, sample-and-hold, and autoscan feature.
- How many USARTs does the MSP430F1491IPMR have?
The device has two USARTs (USART0, USART1) that can function as asynchronous UART or synchronous SPI interfaces.
- What is the purpose of the on-chip comparator?
The on-chip comparator is used for various analog comparisons within the device.
- How does the MSP430F1491IPMR support programming?
The device supports serial onboard programming without the need for an external programming voltage and includes programmable code protection by security fuse.
- How quickly can the MSP430F1491IPMR wake up from standby mode?
The device can wake up from standby mode in less than 6 µs.
