Description
The TI MSP family of ultra-low-power microcontrollers consists of several devices featuring different sets ofperipherals targeted for various applications. The architecture, combined with extensive low-power modes, isoptimized to achieve extended battery life in portable measurement applications. The device features a powerful16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. Thedigitally controlled oscillator (DCO) allows the device to wake up from low-power modes to active mode in 3.5 µs(typical).
Applications
• Analog and Digital Sensor Systems
• Digital Motor Controls
• Remote Controls
• Thermostats
• Digital Timers
• Hand-Held Meters
Features
• Low supply voltage range:3.6 V down to 1.8 V
• Ultra-low power consumption
– Active mode (AM):all system clocks active230 µA/MHz at 8 MHz, 3.0 V, flash programexecution (typical)110 µA/MHz at 8 MHz, 3.0 V, RAM programexecution (typical)
– Standby mode (LPM3):real-time clock (RTC) with crystal, watchdog,and supply supervisor operational, full RAMretention, fast wakeup:1.7 µA at 2.2 V, 2.1 µA at 3.0 V (typical)low-power oscillator (VLO), general-purposecounter, watchdog, and supply supervisoroperational, full RAM retention, fast wakeup:1.2 µA at 3.0 V (typical)
– Off mode (LPM4):full RAM retention, supply supervisoroperational, fast wakeup:1.2 µA at 3.0 V (typical)
– Shutdown mode (LPM4.5):0.1 µA at 3.0 V (typical)
• Wake up from standby mode in 3.5 µs (typical)
• 16-bit RISC architecture
– Extended memory
– Up to 25-MHz system clock
• Flexible power-management system
– Fully integrated LDO with programmableregulated core supply voltage
– Supply voltage supervision, monitoring, andbrownout
• Unified clock system
– FLL control loop for frequency stabilization
– Low-power low-frequency internal clock source(VLO)
– Low-frequency trimmed internal referencesource (REFO)
– 32-kHz crystals
– High-frequency crystals up to 32 MHz
• 16-bit timer TA0, Timer_A with five capture/compare registers
• 16-bit timer TA1, Timer_A with three capture/compare registers
• 16-bit timer TB0, Timer_B with seven capture/compare shadow registers
• Up to four universal serial communicationinterfaces (USCIs)
– USCI_A0, USCI_A1, USCI_A2, and USCI_A3each support:
• Enhanced UART supports automatic baudrate detection
• IrDA encoder and decoder
• Synchronous SPI– USCI_B0, USCI_B1, USCI_B2, and USCI_B3each support:
• I2C
• Synchronous SPI
• 12-bit analog-to-digital converter (ADC)
– Internal reference
– Sample-and-hold
– Autoscan feature
– 14 external channels, 2 internal channels
• Hardware multiplier supports 32-bit operations
• Serial onboard programming, no externalprogramming voltage needed
• 3-channel internal DMA
• Basic timer with RTC feature
• Device Comparison summarizes the availablefamily members
The product is in the warehouse and can be shipped immediately
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