Overview
The Texas Instruments MSP430G2452IRSA16R is a member of the MSP430 family of ultra-low-power mixed signal microcontrollers. This device is designed to optimize power consumption, making it ideal for applications requiring extended battery life. The MSP430G2452 features a 16-bit RISC CPU, 16-bit registers, and various peripherals that enhance its performance and efficiency. The microcontroller is part of the MSP430G2x52 series, which includes built-in 16-bit timers, capacitive-touch enabled I/O pins, and a universal serial communication interface supporting SPI and I2C protocols.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | MSP430G2452IRSA16R |
| Package Type | VQFN (RSA) 16-pin |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Power Consumption | 220 µA at 1 MHz, 2.2 V |
| Standby Power Consumption | 0.5 µA |
| Off Mode (RAM Retention) Power Consumption | 0.1 µA |
| CPU Architecture | 16-bit RISC |
| Instruction Cycle Time | 62.5 ns |
| Internal Frequencies | Up to 16 MHz with four calibrated frequencies |
| Timers | One 16-bit Timer_A with three capture/compare registers |
| I/O Pins | Up to 16 capacitive-touch enabled I/O pins |
| Communication Interfaces | Universal Serial Interface (USI) supporting SPI and I2C |
| Analog-to-Digital Converter (ADC) | 10-bit, 200-ksps, 8 channels with internal reference and autoscan |
| Non-volatile Memory | 8 KB Flash |
| RAM | 256 B |
Key Features
- Ultra-low power consumption with five power-saving modes
- Ultra-fast wake-up from standby mode in less than 1 µs
- 16-bit RISC CPU with 62.5-ns instruction cycle time
- Internal frequencies up to 16 MHz with four calibrated frequencies
- Internal very-low-power low-frequency (LF) oscillator and 32-kHz crystal
- External digital clock source
- One 16-bit Timer_A with three capture/compare registers
- Up to 16 capacitive-touch enabled I/O pins
- Universal Serial Interface (USI) supporting SPI and I2C
- 10-bit 200-ksps Analog-to-Digital (A/D) Converter with internal reference, sample-and-hold, and autoscan
- On-chip comparator for analog signals
- Brownout detector and serial onboard programming without external programming voltage
- On-chip emulation logic with Spy-Bi-Wire interface
Applications
The MSP430G2452IRSA16R is suitable for a variety of applications, particularly those requiring low power consumption and efficient processing. Typical applications include:
- Low-cost sensor systems that capture analog signals, convert them to digital values, and process the data for display or transmission to a host system.
- Portable measurement applications where extended battery life is crucial.
- Wireless and low-power industrial applications.
- Embedded systems requiring capacitive touch interfaces.
Q & A
- What is the operating temperature range of the MSP430G2452IRSA16R?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for this microcontroller?
The supply voltage range is 1.8 V to 3.6 V.
- How many power-saving modes does the MSP430G2452IRSA16R have?
The device has five power-saving modes.
- What is the wake-up time from standby mode?
The wake-up time from standby mode is less than 1 µs.
- What type of CPU architecture does the MSP430G2452IRSA16R use?
The device uses a 16-bit RISC CPU architecture.
- What is the maximum internal frequency of the MSP430G2452IRSA16R?
The maximum internal frequency is up to 16 MHz with four calibrated frequencies.
- How many capacitive-touch enabled I/O pins does the MSP430G2452IRSA16R have?
The device has up to 16 capacitive-touch enabled I/O pins.
- What communication interfaces are supported by the MSP430G2452IRSA16R?
The device supports SPI and I2C through the Universal Serial Interface (USI).
- What is the resolution and sampling rate of the Analog-to-Digital Converter (ADC)?
The ADC is 10-bit with a sampling rate of 200 ksps.
- How much non-volatile memory and RAM does the MSP430G2452IRSA16R have?
The device has 8 KB of Flash memory and 256 B of RAM.
