PFCKBD_HP_PECR_MASK
(uint16_t)(PFCKBD_HP_PECR_MASK & 0xffff), \
(uint16_t)(PFCKBD_HP_PECR_MASK & (~(1 << (2*(n)+1)))), \
ec = _reg_read_2(SH7709_PECR) & ~PFCKBD_HP_PECR_MASK;
_reg_write_2(SH7709_PECR, ec | (0x5555 & PFCKBD_HP_PECR_MASK));