Features

• Low Supply Voltage Range 2.5 V ro 5.5 V
• Low Operation Current, 400 uA at 1 MHz, 3 V
• Ultralow-Power Consumption:
  • Standby Mode: 2 uA
  • RAM Retention Off Mode: 0.1 uA
• Five Power-Saving Modes
• Wake-Up From Standby Mode in 6 us
• 16-Bit RISC Architecture, 300 ns Instruction Cycle Time
• Single Common 32 kHz Crystal, Internal System Clock up to 3.8 MHz
• Integrated LCD Driver for up to 120 Segments
• Integrated Hardware Multiplier Performs Signed, Unsigned on Multiply, and MAC Operations for Operands up to 16 � 16 Bits
• Serial Communication Interface (USART), Select Asynchronous UART or Synchronous SPI by Software
• Slope A/D Converter Using External Components
• 16-Bit Timer With Five Capture/Compare Registers
• Serial Onboard Programming
• Programmable Code Protection by Security Fuse
• Family Members Include:
  • MSP430C336 � 24 KB ROM, 1 KB RAM
  • MSP430C337 � 32 KB ROM, 1 KB RAM
  • MSP430P337A � 32 KB OTP, 1 KB RAM
• EPROM Version Available for Prototyping:
  PMS430E337A
• Available in the Following Packages:
  • 100 Pin Quad Flat-Pack (QFP)
  • 100 Pin Ceramic Quad Flat-Pack (CFP) (EPROM Version)

Description

The Texas Instruments MSP430 is an ultralow-power mixed signal microcontroller family consisting of several devices featuring different sets of modules targeted to various applications. The controller is designed to be battery-operated for an extended application lifetime. With the 16-bit RISC architecture, 16 integrated registers on the CPU, and a constant generator, the MSP430 achieves maximum code efficiency. The digital-controlled oscillator, together with the frequency lock loop (FLL), provides a wake-up from a low-power mode to an active mode in less than 6 us. The MSP430x33x series microcontrollers have built-in hardware multiplication and communication capability using asynchronous (UART) and synchronous protocols.

Typical applications of the MSP430 family include electronic gas, water, and electric meters and other sensor systems that capture analog signals, convert them to digital values, process, displays, or transmits data to a host system.

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