h1_key

• Low Supply-Voltage Range, 1.8 V to 3.6 V
• Ultralow-Power Consumption:
  • Active Mode: 280 µA at 1 MHz, 2.2 V
  • Standby Mode: 1.1 µA
  • Off Mode (RAM Retention): 0.1 µA
• Five Power Saving Modes
• Wake-Up From Standby Mode in Less Than 6 µs
• 16-Bit RISC Architecture, 125-ns Instruction Cycle Time
• 12-Bit A/D Converter With Internal Reference, Sample-and-Hold and
  Autoscan Feature
• 16-Bit Timer_B With Three⁽¹⁾ or Seven⁽²⁾ Capture/Compare-With-Shadow Registers
• 16-Bit Timer_A With Three Capture/Compare Registers
• On-Chip Comparator
• Serial Communication Interface (USART), Select Asynchronous UART or
  Synchronous SPI by Software:
  • Two USARTs (USART0, USART1)⁽¹⁾
  • One USART (USART0)⁽²⁾
• Brownout Detector
• Supply Voltage Supervisor/Monitor With Programmable Level Detection
• Serial Onboard Programming, No External Programming Voltage Needed
  Programmable Code Protection by Security Fuse
• Integrated LCD Driver for up to 160 Segments
• Bootstrap Loader
• Family Members Include:
  • MSP430F435, MSP430F4351⁽³⁾:
    • 16KB+256B Flash Memory
    • 512B RAM
  • MSP430F436, MSP430F4361⁽³⁾:
    • 24KB+256B Flash Memory
    • 1KB RAM
  • MSP430F437, MSP430F4371⁽³⁾:
    • 32KB+256B Flash Memory
    • 1KB RAM
  • MSP430F447:
    • 32KB+256B Flash Memory
    • 1KB RAM
  • MSP430F448, MSP430F4481⁽³⁾:
    • 48KB+256B Flash Memory
    • 2KB RAM
  • MSP430F449, MSP430F4491⁽³⁾:
    • 60KB+256B Flash Memory
    • 2KB RAM
• For Complete Module Descriptions, See The MSP430x4xx Family User’s Guide, Literature Number SLAU056

⁽¹⁾ MSP430F43x, and MSP430F43x1 devices
⁽²⁾ MSP430F44x, and MSP430F44x1 devices
⁽³⁾ The MSP430F43x1 and MSP430F44x1 devices are identical to the MSP430F43x and MSP430F44x devices, respectively – with the exception that the ADC12 module is not implemented.