Some pins are shared with GPIO to provide maximum flexibility for system designers. The MT7621 provides up to 49 GPIO pins. Users can configure SYSCFG and GPIOMODE registers in the System Control block to specify the pin function, or they can use the registers specified below. For more information, see the Programmer’s AL
2.3 Pin Sharing Schemes
Guide. Unless specified explicitly, all the GPIO pins are in input mode after reset.
I
