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MSP430F5438
,
MSP430F5437
,
MSP430F5436
,
MSP430F5435
MSP430F5419, MSP430F5418
SLAS612E –AUGUST 2009–REVISED AUGUST 2014
MSP430F543x and MSP430F541x Mixed-Signal Microcontrollers
1 Device Overview
1.1 Features
1
• Low Supply Voltage Range: 2.2 V to 3.6 V • 16-Bit Timer TA0, Timer_A With Five
Capture/Compare Registers
• Ultralow Power Consumption
• 16-Bit Timer TA1, Timer_A With Three
– Active Mode (AM): All System Clocks Active
Capture/Compare Registers
• 312 µA/MHz at 8 MHz, 3.0 V, Flash Program
• 16-Bit Timer TB0, Timer_B With Seven
Execution (Typical)
Capture/Compare Shadow Registers
• 140 µA/MHz at 8 MHz, 3.0 V, RAM Program
• Up to Four Universal Serial Communication
Execution (Typical)
Interfaces
– Standby Mode (LPM3):
– USCI_A0, USCI_A1, USCI_A2, and USCI_A3
• Real-Time Clock (RTC) With Crystal,
Each Support:
Watchdog, and Supply Supervisor
• Enhanced UART Supports Automatic Baud-
Operational, Full RAM Retention, Fast
Rate Detection
Wakeup: 2.6 µA at 3.0 V (Typical)
• IrDA Encoder and Decoder
• Low-Power Oscillator (VLO), General-
• Synchronous SPI
Purpose Counter, Watchdog, and Supply
Supervisor Operational, Full RAM Retention,
– USCI_B0, USCI_B1, USCI_B2, and USCI_B3
Fast Wakeup: 1.8 µA at 3.0 V (Typical)
Each Support:
– Off Mode (LPM4):
• I
2
C
Full RAM Retention, Supply Supervisor
• Synchronous SPI
Operational, Fast Wakeup:
• 12-Bit Analog-to-Digital Converter (ADC)
1.69 µA at 3.0 V (Typical)
– Internal Reference
• Wakeup From Standby Mode in Less Than 5 µs
– Sample-and-Hold
• 16-Bit RISC Architecture
– Autoscan Feature
– Extended Memory
– 14 External Channels, 2 Internal Channels
– Up to 18-MHz System Clock
• Hardware Multiplier Supporting 32-Bit Operations
• Flexible Power Management System
• Serial Onboard Programming, No External
– Fully Integrated LDO With Programmable
Programming Voltage Needed
Regulated Core Supply Voltage
• Three-Channel Internal DMA
– Supply Voltage Supervision, Monitoring, and
• Basic Timer With RTC Feature
Brownout
• Section 3 Summarizes the Available Family
• Unified Clock System
Members
– FLL Control Loop for Frequency Stabilization
• For Complete Module Descriptions, See the
– Low-Power Low-Frequency Internal Clock
MSP430x5xx and MSP430x6xx Family User's
Source (VLO)
Guide (SLAU208)
– Low-Frequency Trimmed Internal Reference
Source (REFO)
– 32-kHz Crystals
– High-Frequency Crystals up to 32 MHz
1.2 Applications
• Analog and Digital Sensor Systems • Thermostats
• Digital Motor Control • Digital Timers
• Remote Controls • Hand-Held Meters
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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