Overview
The Texas Instruments MSP430F1481IPMR 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, 16-bit registers, and constant generators that enhance code efficiency. The MSP430F1481IPMR includes a digitally controlled oscillator (DCO) that allows for quick wake-up from low-power modes to active mode in less than 6 µs.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Type | 16-bit RISC MCU |
| Flash Memory | 48 KB + 256 Bytes |
| RAM | 2 KB |
| Analog-to-Digital Converter (ADC) | 12-bit ADC 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 |
| Serial Communication Interface | Two USARTs (USART0, USART1) functioning as asynchronous UART or synchronous SPI interface |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Power Consumption | Active Mode: 280 µA at 1 MHz, 2.2 V; Standby Mode: 1.6 µA; Off Mode (RAM Retention): 0.1 µA |
| Package Type | LQFP (PM) with 64 pins |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Ultra-low power consumption with five power-saving modes
- Low supply voltage range of 1.8 V to 3.6 V
- 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
- 48 general-purpose I/O pins
- Hardware multiplier for enhanced performance
Applications
The MSP430F1481IPMR is suitable for various applications, including:
- Sensor systems that capture analog signals, convert them to digital values, and process and transmit the data to a host system.
- Industrial control applications such as ripple counters, digital motor control, and energy meters.
- Hand-held meters and other portable measurement devices.
Q & A
- What is the flash memory capacity of the MSP430F1481IPMR?
The MSP430F1481IPMR has 48 KB of flash memory plus 256 bytes.
- How much RAM does the MSP430F1481IPMR have?
The device has 2 KB of RAM.
- What is the resolution of the ADC on the MSP430F1481IPMR?
The ADC is a 12-bit converter with internal reference, sample-and-hold, and autoscan feature.
- What are the power consumption modes of the MSP430F1481IPMR?
The device has five power-saving modes: Active, Standby, Off (RAM Retention), and two additional low-power modes.
- How quickly can the MSP430F1481IPMR wake up from standby mode?
The device can wake up from standby mode to active mode in less than 6 µs.
- What types of serial communication interfaces are available on the MSP430F1481IPMR?
The device features two USARTs (USART0, USART1) that can function as asynchronous UART or synchronous SPI interfaces.
- What is the operating temperature range of the MSP430F1481IPMR?
The operating temperature range is -40°C to 85°C.
- What package type and pin count does the MSP430F1481IPMR have?
The device is packaged in an LQFP (PM) with 64 pins.
- Does the MSP430F1481IPMR support onboard programming?
Yes, it supports serial onboard programming without the need for an external programming voltage.
- What is the purpose of the hardware multiplier in the MSP430F1481IPMR?
The hardware multiplier enhances the performance and offers a broad code and hardware-compatible family solution.
