Overview
The Texas Instruments MSP430G2553IRHB32R is a member of the MSP430G2x53 series of ultra-low-power mixed signal microcontrollers. 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 various peripherals that enhance its functionality. The MSP430G2553IRHB32R is particularly suited for low-cost sensor systems that require the capture, conversion, and processing of analog signals.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | QFN-32 |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Mode Power Consumption | 230 µA at 1 MHz, 2.2 V |
| Standby Mode Power Consumption | 0.5 µA |
| Off Mode (RAM Retention) Power Consumption | 0.1 µA |
| Instruction Cycle Time | 62.5 ns |
| Internal Frequencies | Up to 16 MHz with four calibrated frequencies |
| Internal Oscillators | 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 |
| Communication Interfaces | Universal Serial Communication Interface (USCI) including UART, LIN, IrDA, SPI, and I2C |
| Analog-to-Digital Converter (ADC) | 10-Bit 200-ksps ADC with internal reference, sample-and-hold, and autoscan |
| Flash Memory | 16 KB |
| RAM | 512 Bytes |
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 architecture with 62.5-ns instruction cycle time
- Basic clock module configurations with internal frequencies up to 16 MHz
- Internal very-low-power low-frequency (LF) oscillator and 32-kHz crystal
- External digital clock source
- 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, LIN, IrDA, SPI, and I2C
- On-chip comparator for analog signal compare function or slope analog-to-digital (A/D) conversion
- 10-Bit 200-ksps Analog-to-Digital (A/D) Converter with internal reference, sample-and-hold, and autoscan
- Brownout detector and serial onboard programming without external programming voltage
- Programmable code protection by security fuse and on-chip emulation logic with Spy-Bi-Wire interface
Applications
The MSP430G2553IRHB32R is typically used in low-cost sensor systems that capture analog signals, convert them to digital values, and then process the data for display or transmission to a host system. Other applications include:
- Portable measurement devices
- Low-power wireless sensing and control systems
- Medical devices requiring low power consumption
- Industrial automation and control systems
- Consumer electronics with battery-powered devices
Q & A
- What is the operating temperature range of the MSP430G2553IRHB32R?
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 much power does the MSP430G2553IRHB32R consume in active mode?
In active mode, it consumes 230 µA at 1 MHz, 2.2 V.
- What is the instruction cycle time of the MSP430G2553IRHB32R?
The instruction cycle time is 62.5 ns.
- What types of communication interfaces are supported by the MSP430G2553IRHB32R?
The device supports UART, LIN, IrDA, SPI, and I2C through the Universal Serial Communication Interface (USCI).
- Does the MSP430G2553IRHB32R have an analog-to-digital converter (ADC)?
Yes, it has a 10-Bit 200-ksps ADC with internal reference, sample-and-hold, and autoscan.
- How much flash memory and RAM does the MSP430G2553IRHB32R have?
The device has 16 KB of flash memory and 512 Bytes of RAM.
- What are the power-saving modes available on the MSP430G2553IRHB32R?
The device has five power-saving modes.
- How quickly can the MSP430G2553IRHB32R wake up from standby mode?
The device can wake up from standby mode in less than 1 µs.
- Does the MSP430G2553IRHB32R support capacitive-touch enabled I/O pins?
Yes, it supports up to 24 capacitive-touch enabled I/O pins.
- What is the purpose of the on-chip comparator in the MSP430G2553IRHB32R?
The on-chip comparator is used for analog signal compare function or slope analog-to-digital (A/D) conversion.
