MSP430F1222IPW datasheet by Texas Instruments

MSP430F1222IPW Frequently Asked Questions (FAQs)

• What is the maximum clock frequency of the MSP430F1222IPW?
  The maximum clock frequency of the MSP430F1222IPW is 8 MHz.
• How do I configure the MSP430F1222IPW to use an external clock source?
  To use an external clock source, connect the clock signal to the XIN pin and set the UCSSELx bits in the UCSCTL6 register to select the external clock source.
• What is the purpose of the RST/NMI pin on the MSP430F1222IPW?
  The RST/NMI pin is a dual-function pin that can be used as either a reset input (RST) or a non-maskable interrupt (NMI) input.
• How do I use the watchdog timer on the MSP430F1222IPW?
  The watchdog timer can be enabled by setting the WDTCTL register. The watchdog timer can be configured to reset the device or trigger an interrupt when it times out.
• What is the maximum current that can be sourced or sunk by the GPIO pins on the MSP430F1222IPW?
  The maximum current that can be sourced or sunk by the GPIO pins on the MSP430F1222IPW is 4 mA.