Overview
The Texas Instruments MSP430F1481IRTDR 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 MSP430F1481IRTDR includes a digitally controlled oscillator (DCO) that allows rapid wake-up from low-power modes to active mode in less than 6 µs.
Key Specifications
| Parameter | Value |
|---|---|
| Package | VQFNP (RTD), 64 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Flash Memory | 48 KB + 256 Bytes |
| RAM | 2 KB |
| ADC Resolution | 12-bit |
| 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) |
| I/O Pins | 48 |
| Power Consumption (Active Mode) | 280 µA at 1 MHz, 2.2 V |
| Power Consumption (Standby Mode) | 1.6 µA |
| Power Consumption (Off Mode with RAM Retention) | 0.1 µA |
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 without external programming voltage, programmable code protection by security fuse
- Serial Communication Interface (USART) functioning as asynchronous UART or synchronous SPI interface
- Hardware multiplier for enhanced performance
- Wakeup from standby mode in less than 6 µs
Applications
The MSP430F1481IRTDR 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.
- Low-power IoT devices and wireless sensor networks.
Q & A
- What is the operating temperature range of the MSP430F1481IRTDR?
The operating temperature range is -40°C to 85°C.
- How much flash memory does the MSP430F1481IRTDR have?
The device has 48 KB of flash memory plus 256 bytes.
- What is the resolution of the ADC on the MSP430F1481IRTDR?
The ADC has a 12-bit resolution.
- How many USARTs are available on the MSP430F1481IRTDR?
There are two USARTs (USART0 and 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 quickly can the device wake up from standby mode?
The device can wake up from standby mode in less than 6 µs.
- Does the MSP430F1481IRTDR support serial onboard programming?
Yes, it supports serial onboard programming without the need for an external programming voltage.
- What types of timers are available on the MSP430F1481IRTDR?
The device includes a 16-Bit Timer_A with three capture/compare registers and a 16-Bit Timer_B with seven capture/compare-with-shadow registers.
- How many I/O pins does the MSP430F1481IRTDR have?
The device has 48 I/O pins.
- What is the purpose of the hardware multiplier in the MSP430F1481IRTDR?
The hardware multiplier enhances the performance and offers a broad code and hardware-compatible family solution.
