TM4C1237E6PMIR datasheet by Texas Instruments

TM4C1237E6PMIR Frequently Asked Questions (FAQs)

• What is the maximum clock frequency of the TM4C1237E6PMIR?
  The maximum clock frequency of the TM4C1237E6PMIR is 80 MHz, but it can be overclocked to 120 MHz with some limitations.
• How do I configure the pin muxing on the TM4C1237E6PMIR?
  The pin muxing on the TM4C1237E6PMIR can be configured using the PinMux utility in the TI Resource Explorer or by writing to the appropriate registers in the System Control module.
• What is the maximum amount of current that can be sourced or sunk by the GPIO pins?
  The maximum amount of current that can be sourced or sunk by the GPIO pins on the TM4C1237E6PMIR is 4 mA per pin, but it's recommended to limit it to 2 mA per pin to ensure reliable operation.
• How do I use the internal oscillator on the TM4C1237E6PMIR?
  The internal oscillator on the TM4C1237E6PMIR can be enabled by setting the OSCSRC bit in the RCC register to 1, and then configuring the oscillator frequency using the OSCTrim register.
• What is the purpose of the NMI pin on the TM4C1237E6PMIR?
  The NMI (Non-Maskable Interrupt) pin on the TM4C1237E6PMIR is used to trigger an NMI interrupt, which is a high-priority interrupt that cannot be masked or disabled.