MSP430F5503 Datasheet | Texas Instruments

Overview 1.1 Features - Low supply-voltage range: 3.6 V down to 1.8 V - Ultra-low power consumption - Active mode (AM) All system clocks active - 195 µA/MHz at 8 MHz, 3 V, flash program execution (typical) - 115 µA/MHz at 8 MHz, 3 V, RAM program execution (typical) - Standby mode (LPM3) - Real-time clock (RTC) with crystal, watchdog, and supply supervisor operational, full RAM retention, fast wakeup: 1.9 µA at 2.2 V, 2.1 µA at 3 V (typical) - Low-power oscillator (VLO), general-purpose counter, watchdog, and supply supervisor operational, full RAM retention, fast wakeup: 1.4 µA at 3 V (typical) - Off mode (LPM4) Full RAM retention, supply supervisor operational, fast wakeup: 1.1 µA at 3 V (typical) - Shutdown mode (LPM4.5) 0.18 µA at 3 V (typical) - Wake up from standby in less than 5 µs - 16-bit RISC architecture, extended memory, up to 25-MHz system clock - Flexible power-management system - Fully integrated LDO with programmable regulated core supply voltage - Supply voltage supervision, monitoring, and brownout - Unified clock system - FLL control loop for frequency stabilization - Low-power low-frequency internal clock source (VLO) - Low-frequency trimmed internal reference source (REFO) 1.2 Applications - Analog and digital sensor systems - Data loggers - 32-k Hz watch crystals (XT1) - High-frequency crystals up to 32 MHz (XT2) - 16-bit Timer TA0, Timer_A with five capture/pare registers - 16-bit Timer TA1, Timer_A with three capture/pare registers - 16-bit Timer TA2, Timer_A with three capture/pare registers - 16-bit Timer TB0, Timer_B with seven capture/pare shadow registers - Two universal serial munication interfaces (USCIs) - USCI_A0 and USCI_A1 each support: - Enhanced UART with automatic baud-rate detection - Ir DA encoder and decoder - Synchronous SPI - USCI_B0 and USCI_B1 each support: - I2C - Synchronous...