MSP430F5437AIPN datasheet by Texas Instruments

MSP430F5437AIPN Frequently Asked Questions (FAQs)

• What is the maximum clock frequency of the MSP430F5437AIPN?
  The maximum clock frequency of the MSP430F5437AIPN is 18 MHz.
• How do I configure the MSP430F5437AIPN to use an external crystal oscillator?
  To configure the MSP430F5437AIPN to use an external crystal oscillator, connect the crystal to the XIN and XOUT pins, and set the FLLUNLOCK bit in the UCSCTL6 register to 1. Then, set the SELOSC bit in the UCSCTL4 register to 1 to select the external crystal oscillator as the clock source.
• What is the maximum current consumption of the MSP430F5437AIPN?
  The maximum current consumption of the MSP430F5437AIPN is approximately 2.1 mA at 3V and 18 MHz.
• How do I use the built-in UART module on the MSP430F5437AIPN?
  To use the built-in UART module on the MSP430F5437AIPN, configure the UART module by setting the UCMODE bit in the UCAxCTL0 register to 0x03 for asynchronous mode. Then, set the baud rate by writing to the UCAxBR0 and UCAxBR1 registers. Finally, enable the UART module by setting the UCTXE and UCRXE bits in the UCAxCTL1 register.
• Can I use the MSP430F5437AIPN with a 5V power supply?
  No, the MSP430F5437AIPN is not 5V tolerant and should only be used with a power supply between 1.8V and 3.6V.