TI MSP430G2453IPW20R

The MSP430 series of ultra-low-power microcontrollers includes a variety of devices, each featuring a distinct set of peripherals tailored for multiple applications. This architecture, combined with five low-power modes, is optimized to extend battery life in portable measurement applications. The device is equipped with a powerful 16-bit RISC CPU, 16-bit registers, and a constant generator that aids in achieving maximum coding efficiency. The Digital Control Oscillator (DCO) can wake up from a low-power mode to an operating mode in less than 1µs.

The MSP430G2x13 and MSP430G2x53 series are ultra-low-power mixed-signal microcontrollers. They come with a built-in 16-bit timer, up to 24 I/O pins supporting touch sensing, a multi-purpose analog comparator, and built-in communication capabilities using a Universal Serial Communication Interface. Additionally, members of the MSP430G2x53 series also feature a 10-bit Analog-to-Digital (A/D) converter.

Typical applications include low-cost sensor systems, which are responsible for capturing analog signals, converting them into digital values, and then processing the data for display or transmission to a host system.

• Supply voltage range: 1.8V to 3.6V
• Ultra-low power consumption
• Active mode: 230μA (at 1MHz, 2.2V)
• Standby mode: 0.5μA
• Off mode (RAM retention): 0.1μA
• 5 power-saving modes
• Ultra-fast wake-up from standby in less than 1μs
• 16-bit RISC architecture, 62.5ns instruction cycle time
• Internal oscillator up to 16MHz with four calibrated frequencies
• Internal ultra-low-power LF oscillator
• 32kHz crystal oscillator
• External digital clock source
• Two 16-bit Timer_A, each with three capture/compare registers
• Up to 24 I/O pins with touch sensing support
• Universal Serial Communication Interface (USCI)
• Enhanced UART with automatic baud rate detection
• IrDA encoder and decoder
• Synchronous SPI
• I²C
• On-chip comparator for analog signal comparison or slope A/D conversion
• 10-bit 200ksps ADC with internal reference, sample-and-hold, and auto-scan
• Brown-out detector
• Serial in-system programming, no external programming voltage required, programmable code protection via security fuse
• On-chip emulation logic with two-wire (Spy-Bi-Wire) interface

• Low-cost sensor systems