MSP430F5438AIPZR

The 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 low-power modes to active mode in 3.5 μs (typical). The MSP430F543xA and MSP430F541xA series are microcontroller configurations with three 16-bit timers, a high-performance 12-bit ADC, up to four universal serial communication interfaces (USCIs), a hardware multiplier, DMA, an RTC module with alarm capabilities, and up to 87 I/O pins. Typical applications for this device include analog and digital sensor systems, digital motor control, remote controls, thermostats, digital timers, and hand-held meters.

Applications

• Analog and Digital Sensor Systems
• Digital Motor Controls
• Remote Controls
• Thermostats
• Digital Timers
• Hand-Held Meters

Key features

• Low Supply Voltage Range: 3.6 V Down to 1.8 V
• Ultra-Low Power Consumption
• Active Mode (AM): All System Clocks Active 230 μA/MHz at 8 MHz, 3.0 V, Flash Program Execution (Typical) 110 μA/MHz at 8 MHz, 3.0 V, RAM Program Execution (Typical)
• Standby Mode (LPM3): Real-Time Clock (RTC) With Crystal, Watchdog, and Supply Supervisor Operational, Full RAM Retention, Fast Wakeup: 1.7 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: 1.2 μA at 3.0 V (Typical)
• Off Mode (LPM4): Full RAM Retention, Supply Supervisor Operational, 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 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)
• 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 Communication Interfaces
• USCI_A0, USCI_A1, USCI_A2, and USCI_A3 Each Support: Enhanced UART Supports Automatic BaudRate Detection, IrDA Encoder and Decoder, Synchronous SPI
• USCI_B0, USCI_B1, USCI_B2, and USCI_B3 Each 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 External Programming Voltage Needed
• Three-Channel Internal DMA
• Basic Timer With RTC Feature