1
FEATURES
MSP430F543x, MSP430F541x
MSP430F543xA, MSP430F541xA
www.ti.com
........................................................................................................................................ SLAS612A – DECEMBER 9 2008 – REVISED JANUARY 2009
MIXED SIGNAL MICROCONTROLLER
2
• Low Supply Voltage Range • Up to Four Universal Serial Communication
Interfaces
– 2.2 V to 3.6 V
MSP430F543x, MSP430F541x – Enhanced UART Supporting Auto-Baudrate
Detection
– 1.8 V to 3.6 V
MSP430F543xA, MSP430F541xA – IrDA Encoder and Decoder
• Ultralow Power Consumption – Synchronous SPI
– Active Mode (AM): 165 µ A/MHz at 8 MHz – I
2
C™
– Standby Mode (LPM3 RTC Mode): 2.60 µ A • 12-Bit Analog-to-Digital (A/D) Converter
– Off Mode (LPM4 RAM Retention): 1.69 µ A – Internal Reference
– Shutdown Mode (LPM5): 0.1 µ A – Sample-and-Hold
• Wake-Up From Standby Mode in Less Than – Autoscan Feature
5 µ s
– 12 External Channels, 4 Internal Channels
• 16-Bit RISC Architecture
• Hardware Multiplier Supporting 32-Bit
– Extended Memory Operations
– Up to 18-MHz System Clock • Serial Onboard Programming, No External
MSP430F543x, MSP430F541x Programming Voltage Needed
– Up to 25-MHz System Clock • Three Channel Internal DMA
MSP430F543xA, MSP430F541xA
• Basic Timer With Real-Time Clock Feature
• Flexible Power Management System
• Family Members Include:
– Fully Integrated LDO With Programmable
– MSP430F5438, MSP430F5438A
(1)
Regulated Core Supply Voltage
– 256KB+512B Flash Memory
– Supply Voltage Supervision, Monitoring,
– 16KB RAM
and Brownout
– Four Universal Serial Communication
• Unified Clock System
Interfaces
– FLL Control Loop for Frequency
– MSP430F5437, MSP430F5437A
(1)
Stabilization
– 256KB+512B Flash Memory
– Low-Power/Low-Frequency Internal Clock
– 16KB RAM
Source (VLO)
– Two Universal Serial Communication
– Low-Frequency Trimmed Internal Reference
Interfaces
Source (REFO)
– MSP430F5436, MSP430F5436A
(1)
– 32-kHz Crystals
– 192KB+512B Flash Memory
– High-Frequency Crystals up to 32 MHz
– 16KB RAM
• 16-Bit Timer TA0, Timer_A With Five
– Four Universal Serial Communication
Capture/Compare Registers
Interfaces
• 16-Bit Timer TA1, Timer_A With Three
– MSP430F5435, MSP430F5435A
(1)
Capture/Compare Registers
– 192KB+512B Flash Memory
• 16-Bit Timer TB0, Timer_B With Seven
Capture/Compare Shadow Registers – 16KB RAM
– Two Universal Serial Communication
Interfaces
(1) Product Preview
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2 All trademarks are the property of their respective owners.
UNLESS OTHERWISE NOTED this document contains
Copyright © 2008 – 2009, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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