MSP430F5244IRGZR datasheet by Texas Instruments

MSP430F5244IRGZR Frequently Asked Questions (FAQs)

• What is the maximum clock frequency of the MSP430F5244IRGZR?
  The maximum clock frequency of the MSP430F5244IRGZR is 25 MHz.
• How do I configure the MSP430F5244IRGZR to use an external crystal oscillator?
  To configure the MSP430F5244IRGZR to use an external crystal oscillator, set the XT2OFF bit in the FLLUNLOCK register to 0, and connect the crystal to the XIN and XOUT pins. Then, configure the FLL control registers to select the external crystal oscillator as the clock source.
• What is the maximum current consumption of the MSP430F5244IRGZR?
  The maximum current consumption of the MSP430F5244IRGZR is approximately 2.1 mA at 25 MHz and 3.3 V.
• How do I use the built-in UART module on the MSP430F5244IRGZR?
  To use the built-in UART module on the MSP430F5244IRGZR, configure the UART module by setting the UART control registers, enable the UART module, and use the UART transmit and receive functions to send and receive data.
• Can I use the MSP430F5244IRGZR with a 5V power supply?
  No, the MSP430F5244IRGZR is not 5V tolerant and should only be used with a power supply between 1.8 V and 3.6 V.