1.1 Features 1

• Low Supply Voltage Range, 1.8 V to 3.6 V

• Ultra-Low Power Consumption:

– Active Mode: 280 μA at 1 MHz, 2.2 V

– Standby Mode: 1.6 μA

– Off Mode (RAM Retention): 0.1 μA

• Five Power-Saving Modes

• Wakeup From Standby Mode in Less Than 6 μs

• 16-Bit RISC Architecture, 125-ns Instruction Cycle Time

• 12-Bit Analog-to-Digital Converter (ADC) With Internal Reference, Sample-and-Hold, and Autoscan Feature

• 16-Bit Timer_B With Seven Capture/Compare-With-Shadow Registers

• 16-Bit Timer_A With Three Capture/CompareRegisters

• On-Chip Comparator

• Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse

• Serial Communication Interface (USART), Functions as Asynchronous UART or Synchronous SPI Interface

– Two USARTs (USART0, USART1) On MSP430F14x and MSP430F14x1 Devices

– One USART (USART0) On MSP430F13x Devices

• Family Members (Also See Device Comparison)

– MSP430F133

– 8KB + 256 Bytes of Flash Memory, 256 Bytes of RAM

– MSP430F135

– 16KB + 256 Bytes of Flash Memory, 512 Bytes of RAM

– MSP430F147, MSP430F1471

– 32KB + 256 Bytes of Flash Memory, 1KB of RAM

– MSP430F148, MSP430F1481

– 48KB + 256 Bytes of Flash Memory, 2KB of RAM

– MSP430F149, MSP430F1491

– 60KB + 256 Bytes of Flash Memory, 2KB of RAM