Overview
The Texas Instruments MSP430G2553IPW20 is a member of the MSP430 family of ultra-low-power 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 MSP430G2553IPW20 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 capabilities using the universal serial communication interface (USCI).
Key Specifications
| Parameter | Specification |
|---|---|
| Package Type | TSSOP (20 pins) |
| Operating Temperature Range | -40°C to 85°C |
| 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 Power Consumption (RAM Retention) | 0.1 µA |
| CPU Architecture | 16-bit RISC |
| Instruction Cycle Time | 62.5 ns |
| Internal Frequencies | Up to 16 MHz with four calibrated frequencies |
| Memory | 16 KB Flash, 512 B SRAM |
| Analog-to-Digital Converter (ADC) | 10-bit, 200 ksps with internal reference, sample-and-hold, 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 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
- Up to 24 capacitive-touch enabled I/O pins
- Universal serial communication interface (USCI) with enhanced UART, SPI, and I2C
- On-chip comparator for analog signal compare function or slope analog-to-digital (A/D) conversion
- Brownout detector and serial onboard programming with no external programming voltage needed
- Programmable code protection by security fuse and on-chip emulation logic with Spy-Bi-Wire interface
Applications
The MSP430G2553IPW20 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. These applications include:
- Portable measurement devices
- Low-power sensor systems
- Capacitive touch applications
- Embedded systems requiring ultra-low power consumption
Q & A
- What is the operating temperature range of the MSP430G2553IPW20?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the MSP430G2553IPW20?
The supply voltage range is 1.8 V to 3.6 V.
- How much power does the MSP430G2553IPW20 consume in active mode?
The device consumes 230 µA at 1 MHz, 2.2 V in active mode.
- What types of communication interfaces does the MSP430G2553IPW20 support?
The device supports USCI (UART, SPI, I2C), IrDA encoder and decoder.
- Does the MSP430G2553IPW20 have built-in timers?
Yes, it has two 16-bit Timer_A with three capture/compare registers.
- What is the resolution of the analog-to-digital converter (ADC) in the MSP430G2553IPW20?
The ADC is 10-bit with a sampling rate of 200 ksps.
- Can the MSP430G2553IPW20 be programmed without an external programming voltage?
Yes, it supports serial onboard programming without an external programming voltage.
- What is the wake-up time from standby mode for the MSP430G2553IPW20?
The wake-up time from standby mode is less than 1 µs.
- Does the MSP430G2553IPW20 support capacitive touch functionality?
Yes, it has up to 24 capacitive-touch enabled I/O pins.
- What is the package type and pin count of the MSP430G2553IPW20?
The package type is TSSOP with 20 pins.
- Is the MSP430G2553IPW20 RoHS compliant?
Yes, the device is RoHS compliant.
