OUTOVER=NORMAL, OEOVER=NORMAL, IRQOVER=NORMAL, INOVER=NORMAL
FUNCSEL | 0-31 -> selects pin function according to the gpio table 31 == NULL 1 (spi1_rx): undefined 2 (uart1_tx): undefined 3 (i2c0_sda): undefined 4 (pwm_a_4): undefined 5 (siob_proc_8): undefined 6 (pio0_8): undefined 7 (pio1_8): undefined 8 (pio2_8): undefined 9 (xip_ss_n_1): undefined 10 (usb_muxing_vbus_en): 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 |