PSH3PWR_PLUG_OUT
_reg_write_1(SH7709_SCPDR, scpdr | PSH3PWR_PLUG_OUT);
_reg_write_1(SH7709_SCPDR, scpdr & ~PSH3PWR_PLUG_OUT);
return _reg_read_1(SH7709_SCPDR) & PSH3PWR_PLUG_OUT;