MSP430F5249IRGCR

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

290 µA/MHz at 8 MHz, 3.0 V, Flash Program Execution (Typical)

150 µA/MHz at 8 MHz, 3.0 V, RAM Program E xecution (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 3.0 V (Typical) Low-Power Oscillator (VLO), General-Purpose

Counter, Watchdog, and Supply Supervisor Operational, Full RAM Retention, Fast Wakeup: 1.4 µA at 3.0 V (Typical)

– Off Mode (LPM4): Full RAM Retention, Supply Supervisor Operational, Fast Wakeup:

1.1 µA at 3.0 V (Typical)

– Shutdown Mode (LPM4.5): 0.18 µA at 3.0 V (Typical)

• Wakeup 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 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)

2 Applications

• Analog Sensor Systems

• Digital Sensor Systems

– Low-Frequency Trimmed Internal Reference Source (REFO)

– 32-kHz Watch Crystals (XT1)

– High-Frequency Crystals up to 32 MHz (XT2)

• 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 TA2, Timer_A With Three Capture/Compare Registers

• 16-Bit Timer TB0, Timer_B With Seven Capture/Compare Shadow Registers

• Two Universal Serial Communication Interfaces (USCIs)

– USCI_A0 and USCI_A1 Each Support:

• Enhanced UART With Automatic Baud-Rate Detection

• IrDA Encoder and Decoder

• Synchronous SPI

– USCI_B0 and USCI_B1 Each Support:

• I2C 

• Synchronous SPI

• 10-Bit Analog-to-Digital Converter (ADC) With Internal Reference, Sample-and-Hold

• Comparator

• Hardware Multiplier Supports 32-Bit Operations

• Serial Onboard Programming, No External Programming Voltage Needed

• Three-Channel Internal DMA

• Basic Timer With RTC Feature

• Section 3 Summarizes the Family Members

• For Complete Module Descriptions, See the MSP430x5xx and MSP430x6xx Family User's Guide (SLAU208)

3 Description

The TI MSP430™ family of ultra-low-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with extensive 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 the device to wake up from lowpower modes to active mode in 3.5 µs (typical).

The MSP430F524x series are microcontroller configurations with four 16-bit timers, a high-performance 10-bit ADC, two USCIs, a hardware multiplier, DMA, a comparator, and an RTC module with alarm capabilities.

The MSP430F523x series microcontrollers include all of the peripherals of the MSP430F524x series except for the ADC.

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