JH7110_PADCFG_PD
enabled = padcfg & JH7110_PADCFG_PD;
#define JH7110_PADCFG_BIAS (JH7110_PADCFG_PD | JH7110_PADCFG_PU)
value = (value & ~JH7110_PADCFG_BIAS) | JH7110_PADCFG_PD;
value = JH7110_PADCFG_PD;