MSP430G2553IPW28R: 16MHz 16-bit Ultra-Low-Power MCU with 16KB Flash, 512B RAM, 10-bit ADC, Timer, UART/SPI/I2C, On-chip Emulation & Extended Temp Range for Embedded Systems

FEATURES

• LowSupply-Voltage Range: 1.8 V to 3.6 V

• Ultra-Low Power Consumption

– Active Mode: 230 µA at 1 MHz, 2.2 V

– Standby Mode: 0.5 µA

– Off Mode (RAM Retention): 0.1 µA

• Five Power-Saving Modes

• Ultra-Fast Wake-Up From Standby Mode in Less Than 1 µs

• 16-Bit RISC Architecture, 62.5-ns Instruction Cycle Time

• Basic Clock Module Configurations

– Internal Frequencies up to 16 MHz With Four Calibrated Frequency

– Internal Very-Low-Power Low-Frequency (LF) Oscillator

– 32-kHz Crystal

– External Digital Clock Source

• Two16-Bit Timer_A With Three Capture/Compare Registers

• Upto24Capacitive-Touch Enabled I/O Pins

• Universal Serial Communication Interface (USCI)

– Enhanced UART Supporting Auto Baudrate Detection (LIN)

– IrDA Encoder and Decoder

– Synchronous SPI

– 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 (See Table 1)

• Brownout Detector

• Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse

• On-Chip Emulation Logic With Spy-Bi-Wire Interface

• Family Members are Summarized in Table 1

• Package Options– TSSOP: 20 Pin, 28 Pin– PDIP: 20 Pin– QFN:32Pi

Applications

1. Portable Medical and Health Monitoring Devices

Key Advantages Utilized: Ultra-low power (multiple low-power modes, e.g., LPM3/LPM4) extends battery life; the 10-bit ADC directly acquires analog sensor signals.

Typical Applications: Handheld pulse oximeters, digital thermometers, portable glucose meters, entry-level wearable health bands.

2. Consumer Electronics and Personal Portable Devices

Key Advantages Utilized: Small size (TSSOP-28) and low power consumption make it suitable for space- and power-constrained scenarios.

Typical Applications: Remote controls, electric toys, digital toothbrushes, basic smartwatches, portable gadgets.

3. Industrial Sensing and Control Systems

Key Advantages Utilized: Integrated ADC, timers, and communication interfaces (UART/SPI/I2C) connect and control various sensors; extended temperature range supports harsher environments.

Typical Applications: Sensor hubs, data loggers, flow meters, simple motor control, industrial remote controllers.

4. Smart Home and Automation

Key Advantages Utilized: Abundant I/Os and communication interfaces facilitate peripheral connectivity and control; ultra-low power suits battery-powered always-on devices.

Typical Applications: Smart locks, temperature/humidity sensor nodes, smart switches, alarms, garage door controllers.

5. IoT End Nodes

Key Advantages Utilized: Serves as a main controller for collecting sensor data and uploading via serial interfaces (e.g., Bluetooth/Wi-Fi modules); its low power consumption is a key advantage.

Typical Applications: Battery-powered wireless sensor nodes, environmental monitors, agricultural IoT sensors.

DESCRIPTION

The Texas Instruments MSP430 family of ultra-low-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 µs.

The MSP430G2x13 and MSP430G2x53 series are ultra-low-power mixed signal microcontrollers with 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. In addition the MSP430G2x53 family members have a 10-bit analog-to-digital (A/D) converter. For configuration details see Table 1.

Typical applications include low-cost sensor systems that capture analog signals, convert them to digital values, and then process the data for display or for transmission to a host system.

INFORMATION

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