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MSP430F6438, MSP430F6436, MSP430F6435, MSP430F6433
SLAS720E – AUGUST 2010 – REVISED SEPTEMBER 2018
MSP430F643x Mixed-Signal Microcontrollers
1 Device Overview
1.1 Features
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• Low Supply Voltage Range: 1.8 V to 3.6 V • Ultra-Low Power Consumption
– Active Mode (AM): All System Clocks Active: 270 µA/MHz at 8 MHz, 3.0 V, Flash Program Execution (Typical)
– Standby Mode (LPM3): Watchdog With Crystal and Supply Supervisor Operational, Full RAM Retention, Fast Wakeup: 1.8 µA at 2.2 V, 2.1 µA at 3.0 V (Typical)
– Shutdown Real-Time Clock (RTC) Mode (LPM3.5): Shutdown Mode, Active RTC With Crystal: 1.1 µA at 3.0 V (Typical)
– Shutdown Mode (LPM4.5): 0.3 µA at 3.0 V (Typical)
• Wake up From Standby Mode in 3 µs (Typical) • 16-Bit RISC Architecture, Extended Memory, up to
20-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
• Digital Motor Control
• Remote Controls
– 32-kHz Crystals (XT1) – High-Frequency Crystals up to 32 MHz (XT2) • Four 16-Bit Timers With 3, 5, or 7 Capture/Compare Registers • Two Universal Serial Communication Interfaces (USCIs) – USCI_A0 and USCI_A1 Each Support:
– Enhanced UART Supports Automatic BaudRate Detection
– IrDA Encoder and Decoder – Synchronous SPI – USCI_B0 and USCI_B1 Each Support: – I2C – Synchronous SPI • Integrated 3.3-V Power System • 12-Bit Analog-to-Digital Converter (ADC) With Internal Shared Reference, Sample-and-Hold, and Autoscan Feature • Dual 12-Bit Digital-to-Analog Converters (DACs) With Synchronization • Voltage Comparator • Integrated Liquid Crystal Display (LCD) Driver With Contrast Control for up to 160 Segments • Hardware Multiplier Supports 32-Bit Operations • Serial Onboard Programming, No External Programming Voltage Needed • 6-Channel Internal DMA • RTC Module With Supply Voltage Backup Switch • Device Comparison Summarizes the Available Family Members
• Thermostats
• Digital Timers
• Hand-Held Meters
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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.
MSP430F6438, MSP430F6436, MSP430F6435, MSP430F6433
SLAS720E – AUGUST 2010 – REVISED SEPTEMBER 2018
www.ti.com
1.3 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 five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a po.