Overview
The Texas Instruments MSP430G2553IPW28 is a member of the MSP430 family 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 constant generators that contribute to maximum code efficiency. The MSP430G2553IPW28 is part of the MSP430G2x53 series, which includes built-in 16-bit timers, up to 24 I/O capacitive-touch enabled pins, a versatile analog comparator, and built-in communication capability using the universal serial communication interface (USCI).
Key Specifications
| Parameter | Specification |
|---|---|
| Package | TSSOP-28 |
| Pins | 28 |
| Operating Temperature Range (°C) | -40 to 85 |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Flash Memory | 16 KB |
| Instruction Cycle Time | 62.5 ns |
| Internal Frequencies | Up to 16 MHz with four calibrated frequencies |
| Low-Frequency Oscillator | Internal 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 |
| Analog-to-Digital Converter | 10-bit, 200-ksps with internal reference, sample-and-hold, and autoscan |
| Power Consumption | Active Mode: 230 µA at 1 MHz, 2.2 V; Standby Mode: 0.5 µA; Off Mode (RAM Retention): 0.1 µA |
Key Features
- Low Supply-Voltage Range: 1.8 V to 3.6 V
- 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 and internal frequencies up to 16 MHz
- 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) including enhanced UART, IrDA encoder and decoder, synchronous 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
- On-Chip Emulation Logic With Spy-Bi-Wire Interface
Applications
The MSP430G2553IPW28 is suitable for various applications that require 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.
- Capacitive touch-enabled devices due to its support for up to 24 capacitive-touch enabled I/O pins.
- Communication-intensive applications leveraging the universal serial communication interface (USCI).
Q & A
- What is the operating temperature range of the MSP430G2553IPW28?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the MSP430G2553IPW28?
The supply voltage range is 1.8 V to 3.6 V.
- How much power does the MSP430G2553IPW28 consume in active mode?
In active mode, it consumes 230 µA at 1 MHz, 2.2 V.
- What types of timers are available on the MSP430G2553IPW28?
It features two 16-bit Timer_A with three capture/compare registers.
- Does the MSP430G2553IPW28 support capacitive touch?
Yes, it supports up to 24 capacitive-touch enabled I/O pins.
- What communication interfaces are available on the MSP430G2553IPW28?
The device includes a universal serial communication interface (USCI) with enhanced UART, IrDA encoder and decoder, synchronous SPI, and I2C™.
- What is the resolution of the analog-to-digital converter on the MSP430G2553IPW28?
The device has a 10-bit analog-to-digital (A/D) converter.
- How does the MSP430G2553IPW28 wake up from standby mode?
The device wakes up from standby mode in less than 1 µs.
- What is the instruction cycle time of the MSP430G2553IPW28?
The instruction cycle time is 62.5 ns.
- Does the MSP430G2553IPW28 support on-chip emulation?
Yes, it supports on-chip emulation logic with Spy-Bi-Wire interface.
