OUTOVER=NORMAL, IRQOVER=NORMAL, INOVER=NORMAL, OEOVER=NORMAL
| FUNCSEL | 0-31 -> selects pin function according to the gpio table 31 == NULL 1 (spi0_sclk): undefined 2 (uart1_cts): undefined 3 (i2c1_sda): undefined 4 (pwm_a_3): undefined 5 (siob_proc_6): undefined 6 (pio0_6): undefined 7 (pio1_6): undefined 8 (pio2_6): undefined 10 (usb_muxing_overcurr_detect): undefined 11 (uart1_tx): undefined 31 (null): undefined |
| OUTOVER | 0 (NORMAL): drive output from peripheral signal selected by funcsel 1 (INVERT): drive output from inverse of peripheral signal selected by funcsel 2 (LOW): drive output low 3 (HIGH): drive output high |
| OEOVER | 0 (NORMAL): drive output enable from peripheral signal selected by funcsel 1 (INVERT): drive output enable from inverse of peripheral signal selected by funcsel 2 (DISABLE): disable output 3 (ENABLE): enable output |
| INOVER | 0 (NORMAL): don’t invert the peri input 1 (INVERT): invert the peri input 2 (LOW): drive peri input low 3 (HIGH): drive peri input high |
| IRQOVER | 0 (NORMAL): don’t invert the interrupt 1 (INVERT): invert the interrupt 2 (LOW): drive interrupt low 3 (HIGH): drive interrupt high |