MSP430F643x
SLAS720A – AUGUST 2010 – REVISED SEPTEMBER 2011
www.ti.com
MIXED SIGNAL MICROCONTROLLER
FEATURES
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Low Supply Voltage Range: 1.8 V to 3.6 V
Ultralow 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 Wake-Up:
1.8 µA at 2.2 V, 2.1 µA at 3.0 V (Typical)
– Shutdown RTC Mode (LPM3.5):
Shutdown Mode, Active Real-Time Clock
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)
– 32-kHz Crystals (XT1)
– High-Frequency Crystals Up to 32 MHz
(XT2)
Four 16-Bit Timer With 3, 5, or 7
Capture/Compare Registers
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Two Universal Serial Communication
Interfaces
– USCI_A0 and USCI_A1 Each Supporting
– Enhanced UART Supporting
Auto-Baudrate Detection
– IrDA Encoder and Decoder
– Synchronous SPI
– USCI_B0 and USCI_B1 Each Supporting
– I2CTM
– Synchronous SPI
Integrated 3.3-V Power System
12-Bit Analog-to-Digital (A/D) Converter With
Internal Shared Reference, Sample-and-Hold,
and Autoscan Feature
Dual 12-Bit Digital-to-Analog (D/A) Converters
With Synchronization
Voltage Comparator
Integrated LCD Driver With Contrast Control
for up to 160 Segments
Hardware Multiplier Supporting 32-Bit
Operations
Serial Onboard Programming, No External
Programming Voltage Needed
Six-Channel Internal DMA
Real-Time Clock Module With Supply Voltage
Backup Switch
Family Members are Summarized in Table 1
For Complete Module Descriptions, See the
MSP430x5xx/MSP430x6xx Family User's Guide
(SLAU208)
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PRODUCTION DATA information is current as of publication date.
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