MSP430 microcontroller, 16-bit, 1.8 V, 128 KB, 18MHz, LQFP-100

Description
The MSP430F543xA and MSP430F541xA series are microcontroller configurations with three 16-bit timers, a high-performance 12-bit ADC, up to four USCIs, a hardware multiplier, DMA, an RTC module with alarm capabilities, and up to 87 I/O pins.
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 (USCIs)
- USCI_A0, USCI_A1, USCI_A2, and USCI_A3 Each Support:
Enhanced UART Supports Automatic Baud-Rate 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
- 3-Channel Internal DMA
- Basic Timer With RTC Feature