Overview
The Texas Instruments MSP430G2855IRHA40R is an ultra-low-power mixed signal microcontroller from the MSP430 family. This device is designed to optimize power consumption and extend battery life in portable measurement applications. It features a 16-bit RISC CPU with 16-bit registers, ensuring maximum code efficiency. The microcontroller is packaged in a 40-pin VQFN (RHA) package, making it suitable for a variety of applications requiring low power and high performance.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Type | 16-bit RISC |
| Flash Memory | 48 KB |
| SRAM | 2 KB |
| Analog-to-Digital Converter (ADC) | 10-bit, 200 ksps |
| Communication Interfaces | UART, SPI, I2C |
| Timers | Two 16-bit Timer_A with three capture/compare registers, One 16-bit Timer_B with three capture/compare registers |
| Power Supply Voltage | 1.8 V to 3.6 V |
| Power Consumption | Active Mode: 250 µA at 1 MHz, 2.2 V; Standby Mode: 0.7 µA; Off Mode (RAM Retention): 0.1 µA |
| Package Type | 40-pin VQFN (RHA) |
| Clock Frequency | Up to 16 MHz |
| Comparator | On-chip comparator for analog signal compare function or slope A/D conversion |
| Touch-Sense-Enabled I/O Pins | Up to 32 |
Key Features
- Ultra-low power consumption with five power-saving modes
- 16-bit RISC architecture with 62.5-ns instruction cycle time
- Universal Serial Communication Interface (USCI) supporting UART, SPI, and I2C
- 10-bit 200-ksps Analog-to-Digital Converter (ADC) with internal reference and sample-and-hold
- On-chip comparator for analog signal compare function or slope A/D conversion
- Two 16-bit Timer_A with three capture/compare registers and one 16-bit Timer_B with three capture/compare registers
- Brownout detector and serial onboard programming with no external programming voltage needed
- Ultra-fast wake-up from standby mode in less than 1 µs
- Up to 32 touch-sense-enabled I/O pins
Applications
The MSP430G2855IRHA40R is suitable for various low-power applications, including:
- Low-cost sensor systems that capture analog signals and convert them to digital values
- Portable measurement applications requiring extended battery life
- Embedded systems that need efficient power management and high performance
- Industrial automation and control systems
- Medical devices and health monitoring systems
Q & A
- What is the primary architecture of the MSP430G2855IRHA40R microcontroller?
The MSP430G2855IRHA40R features a 16-bit RISC architecture.
- What is the maximum clock frequency of the MSP430G2855IRHA40R?
The maximum clock frequency is up to 16 MHz.
- What types of communication interfaces are supported by the MSP430G2855IRHA40R?
The device supports UART, SPI, and I2C communication interfaces.
- What is the power consumption in active mode at 1 MHz and 2.2 V?
The power consumption in active mode is 250 µA at 1 MHz and 2.2 V.
- Does the MSP430G2855IRHA40R have touch-sense-enabled I/O pins?
Yes, it has up to 32 touch-sense-enabled I/O pins.
- What is the resolution and speed of the Analog-to-Digital Converter (ADC)?
The ADC is a 10-bit converter with a speed of 200 ksps.
- How many timers are available on the MSP430G2855IRHA40R?
The device has two 16-bit Timer_A with three capture/compare registers and one 16-bit Timer_B with three capture/compare registers.
- What is the package type of the MSP430G2855IRHA40R?
The device is packaged in a 40-pin VQFN (RHA) package.
- Does the MSP430G2855IRHA40R support ultra-fast wake-up from standby mode?
Yes, it supports ultra-fast wake-up from standby mode in less than 1 µs.
- What are some typical applications of the MSP430G2855IRHA40R?
Typical applications include low-cost sensor systems, portable measurement applications, embedded systems, industrial automation, and medical devices.
