The maximum clock frequency of the TM4C123GH6PGEIR is 80 MHz.
The pin muxing on the TM4C123GH6PGEIR can be configured using the Pin Mux Utility tool provided by Texas Instruments or by manually setting the registers according to the datasheet.
The maximum current consumption of the TM4C123GH6PGEIR is approximately 350 mA at 80 MHz with all peripherals enabled.
The ADC on the TM4C123GH6PGEIR can be used by configuring the ADC registers, selecting the input channel, and triggering the conversion using the ADC software trigger or a timer.
Yes, the TM4C123GH6PGEIR can be used with an external crystal oscillator. The oscillator frequency can be set to 16 MHz, 20 MHz, or 24 MHz.