Overview
The Texas Instruments MSP430F1491IPM 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 MSP430F1491IPM is part of the MSP430x1xx series, known for its low power modes and robust peripheral set.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 64-pin LQFP (PM) |
| Operating Temperature Range | -40°C to 85°C |
| Flash Memory | 60KB + 256 Bytes |
| SRAM | 2KB |
| ADC Resolution | 12-bit |
| Number of ADC Channels | 8 |
| Timers | 16-Bit Timer_A with 3 Capture/Compare Registers, 16-Bit Timer_B with 7 Capture/Compare-With-Shadow Registers |
| USARTs | Two USARTs (USART0, USART1) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Mode Power Consumption | 280 µA at 1 MHz, 2.2 V |
| Standby Mode Power Consumption | 1.6 µA |
| Off Mode (RAM Retention) Power Consumption | 0.1 µA |
| Instruction Cycle Time | 125 ns |
| Wake-up Time from Standby Mode |
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
- On-Chip Comparator
- Serial Onboard Programming, no external programming voltage needed, programmable code protection by security fuse
- Serial Communication Interface (USART), functions as asynchronous UART or synchronous SPI interface
- Two USARTs (USART0, USART1) on MSP430F14x and MSP430F14x1 devices
- Hardware multiplier for enhanced performance
- Wakeup from standby mode in less than 6 µs
Applications
- Sensor Systems
- Industrial Controls
- Hand-Held Meters
- Portable Measurement Applications
Q & A
- What is the package type of the MSP430F1491IPM?
The MSP430F1491IPM comes in a 64-pin LQFP (PM) package.
- What is the operating temperature range of the MSP430F1491IPM?
The operating temperature range is -40°C to 85°C.
- How much flash memory does the MSP430F1491IPM have?
The device has 60KB + 256 Bytes of flash memory.
- What is the resolution of the ADC on the MSP430F1491IPM?
The ADC has a 12-bit resolution.
- How many USARTs are available on the MSP430F1491IPM?
There are two USARTs (USART0, USART1) available.
- What is the power consumption in active mode at 1 MHz and 2.2 V?
The power consumption in active mode is 280 µA at 1 MHz and 2.2 V.
- How long does it take to wake up from standby mode?
The device wakes up from standby mode in less than 6 µs.
- What is the instruction cycle time of the MSP430F1491IPM?
The instruction cycle time is 125 ns.
- Does the MSP430F1491IPM have on-chip programming capabilities?
Yes, it has serial onboard programming with no external programming voltage needed.
- What are some common applications of the MSP430F1491IPM?
Common applications include sensor systems, industrial controls, and hand-held meters.
