Overview
The Texas Instruments MSP430G2444IRHA40R is a member of the MSP430G2x44 family of ultra-low-power microcontrollers. This device is designed to optimize power consumption, making it ideal for battery-powered and portable measurement applications. The MSP430G2444 features a 16-bit RISC CPU with 16-bit registers and constant generators, contributing to maximum code efficiency. It also includes a range of peripherals such as timers, a universal serial communication interface (USCI), and a 10-bit analog-to-digital converter (ADC) with integrated reference and data transfer controller.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 1.8 to 3.6 | V |
| Active Mode Power Consumption | 270 µA at 1 MHz, 2.2 V | |
| Standby Mode Power Consumption | 1 µA | |
| Off Mode (RAM Retention) Power Consumption | 0.1 µA | |
| ADC Resolution and Speed | 10-bit, 200 ksps | |
| Flash Memory | 8 KB + 256 B | |
| RAM | 512 B | |
| Timers | 16-bit Timer_A and Timer_B with three capture/compare registers each | |
| USCI | UART, LIN, IrDA, SPI, I2C | |
| Package Type | QFN (40-pin RHA package) | |
| Body Size | 6 mm x 6 mm |
Key Features
- Ultra-low power consumption with five low-power modes.
- 16-bit RISC CPU with 16-bit registers and constant generators.
- 10-bit analog-to-digital converter (ADC) with internal reference, sample-and-hold, autoscan, and data transfer controller.
- Brownout detector and ultra-fast wakeup from standby mode in less than 1 µs.
- Serial onboard programming, no external programming voltage needed, and programmable code protection by security fuse.
- Bootstrap loader (BSL) and on-chip emulation module.
- Universal serial communication interface (USCI) supporting UART, LIN, IrDA, SPI, and I2C.
- 16-bit timers (Timer_A and Timer_B) with three capture/compare registers each.
- General-purpose digital I/O pins with pullup/down resistors.
Applications
- Sensor systems that capture analog signals, convert them to digital values, and process the data for display or transmission to a host system.
- Stand-alone radio-frequency (RF) sensor front ends.
Q & A
- What is the supply voltage range of the MSP430G2444? The supply voltage range is from 1.8 V to 3.6 V.
- How much power does the MSP430G2444 consume in active mode? It consumes 270 µA at 1 MHz, 2.2 V.
- What is the resolution and speed of the ADC on the MSP430G2444? The ADC is 10-bit with a speed of 200 ksps.
- How much flash memory and RAM does the MSP430G2444 have? It has 8 KB + 256 B of flash memory and 512 B of RAM.
- What types of timers are available on the MSP430G2444? It features 16-bit Timer_A and Timer_B with three capture/compare registers each.
- What communication interfaces are supported by the MSP430G2444? It supports UART, LIN, IrDA, SPI, and I2C through the USCI.
- In what package types is the MSP430G2444 available? It is available in a 40-pin QFN (RHA package) among other options.
- What are some typical applications of the MSP430G2444? Typical applications include sensor systems and stand-alone RF sensor front ends.
- Does the MSP430G2444 have any power-saving features? Yes, it has ultra-low power consumption with five low-power modes and fast wakeup from standby.
- How is the MSP430G2444 programmed? It supports serial onboard programming without the need for an external programming voltage.
