Overview
The Texas Instruments MSP430G2553IRHB32T is a member of the MSP430G2x53 series 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 MSP430G2553IRHB32T features a 16-bit RISC CPU, 16-bit registers, and constant generators that enhance code efficiency. It also includes a digitally controlled oscillator (DCO) that allows for ultra-fast wake-up from low-power modes to active mode in less than 1 µs.
The microcontroller is equipped with various peripherals, including 16-bit timers, up to 24 capacitive-touch enabled I/O pins, a versatile analog comparator, and a universal serial communication interface (USCI) supporting UART, SPI, and I2C protocols. Additionally, it includes a 10-bit analog-to-digital (A/D) converter with internal reference, sample-and-hold, and autoscan capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Power Consumption | 230 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 |
| Internal Oscillator | Very-Low-Power Low-Frequency (LF) Oscillator, 32-kHz Crystal |
| Timers | Two 16-Bit Timer_A with three capture/compare registers |
| I/O Pins | Up to 24 capacitive-touch enabled I/O pins |
| USCI | UART, SPI, I2C, IrDA Encoder and Decoder |
| A/D Converter | 10-Bit, 200-ksps, 8 channels with internal reference and autoscan |
| Non-Volatile Memory | 16 KB Flash |
| RAM | 512 Bytes |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 32-pin VQFN |
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
- Two 16-bit Timer_A with three capture/compare registers
- Up to 24 capacitive-touch enabled I/O pins
- Universal serial communication interface (USCI) supporting UART, SPI, I2C, and IrDA
- 10-bit analog-to-digital (A/D) converter with internal reference, sample-and-hold, and autoscan
- Brownout detector, watchdog timer, and temperature sensor
- Serial onboard programming with no external programming voltage needed
Applications
The MSP430G2553IRHB32T is suitable for a variety of applications that require low power consumption and advanced peripherals. Typical applications include:
- Low-cost sensor systems that capture analog signals and convert them to digital values for display or transmission to a host system.
- Portable measurement applications where extended battery life is crucial.
- Capacitive touch-enabled devices such as user interfaces and control panels.
- Wireless and wired communication systems leveraging the USCI capabilities.
- Industrial automation and control systems requiring low power and high efficiency.
Q & A
- What is the supply voltage range of the MSP430G2553IRHB32T?
The supply voltage range is from 1.8 V to 3.6 V.
- What is the active power consumption of the MSP430G2553IRHB32T at 1 MHz and 2.2 V?
The active power consumption is 230 µA.
- How many power-saving modes does the MSP430G2553IRHB32T have?
The device has five power-saving modes.
- What is the wake-up time from standby mode to active mode?
The wake-up time is less than 1 µs.
- What type of CPU does the MSP430G2553IRHB32T use?
The device uses a 16-bit RISC CPU.
- What is the maximum internal frequency of the MSP430G2553IRHB32T?
The maximum internal frequency is up to 16 MHz with four calibrated frequencies.
- How many I/O pins does the MSP430G2553IRHB32T have, and what is their capability?
The device has up to 24 capacitive-touch enabled I/O pins.
- What communication interfaces are supported by the MSP430G2553IRHB32T?
The device supports UART, SPI, I2C, and IrDA through the universal serial communication interface (USCI).
- What type of A/D converter does the MSP430G2553IRHB32T have?
The device has a 10-bit analog-to-digital (A/D) converter with internal reference, sample-and-hold, and autoscan capabilities.
- What is the non-volatile memory and RAM capacity of the MSP430G2553IRHB32T?
The device has 16 KB of Flash memory and 512 bytes of RAM.
