Overview
The Texas Instruments MSP430G2553IPW28R 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 MSP430G2553IPW28R features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. It includes built-in 16-bit timers, up to 24 I/O capacitive-touch enabled pins, a versatile analog comparator, and built-in communication capabilities using the universal serial communication interface (USCI).
Key Specifications
| Specification | Value |
|---|---|
| Package Type | TSSOP (28 pins) |
| 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 |
| Analog-to-Digital Converter (ADC) | 10-bit, 200 ksps with internal reference and autoscan |
| Timers | Two 16-bit Timer_A with three capture/compare registers |
| Communication Interfaces | USCI (UART, SPI, I2C), IrDA encoder and decoder |
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
- Internal frequencies up to 16 MHz with four calibrated frequencies
- Internal very-low-power low-frequency (LF) oscillator and 32-kHz crystal
- Up to 24 capacitive-touch enabled I/O pins
- Universal serial communication interface (USCI) supporting UART, SPI, and I2C
- Enhanced UART with auto baudrate detection (LIN), IrDA encoder and decoder
- 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
- On-chip emulation logic with Spy-Bi-Wire interface
Applications
The MSP430G2553IPW28R is suitable for various applications, particularly those requiring low power consumption and extended battery life. 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 such as medical devices, industrial sensors, and consumer electronics.
- Automotive systems where low power and robust communication interfaces are essential.
Q & A
- What is the operating temperature range of the MSP430G2553IPW28R?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the MSP430G2553IPW28R?
The supply voltage range is 1.8 V to 3.6 V.
- How much power does the MSP430G2553IPW28R consume in active mode?
In active mode, it consumes 230 µA at 1 MHz, 2.2 V.
- What are the power consumption values for standby and off modes?
In standby mode, it consumes 0.5 µA, and in off mode (RAM retention), it consumes 0.1 µA.
- What communication interfaces are supported by the MSP430G2553IPW28R?
The device supports USCI (UART, SPI, I2C), IrDA encoder and decoder.
- Does the MSP430G2553IPW28R have built-in analog-to-digital conversion capabilities?
Yes, it features a 10-bit 200-ksps analog-to-digital (A/D) converter with internal reference, sample-and-hold, and autoscan.
- What is the instruction cycle time of the MSP430G2553IPW28R?
The instruction cycle time is 62.5 ns.
- How many capacitive-touch enabled I/O pins does the MSP430G2553IPW28R have?
It has up to 24 capacitive-touch enabled I/O pins.
- Does the MSP430G2553IPW28R support on-chip emulation?
Yes, it supports on-chip emulation logic with Spy-Bi-Wire interface.
- What are some typical applications for the MSP430G2553IPW28R?
Typical applications include low-cost sensor systems, portable measurement applications, and automotive systems.
