URE_PLA_MISC_1
ure_write_2(un, URE_PLA_MISC_1, URE_MCU_TYPE_PLA,
ure_read_2(un, URE_PLA_MISC_1, URE_MCU_TYPE_PLA) &
ure_write_2(un, URE_PLA_MISC_1, URE_MCU_TYPE_PLA,
ure_read_2(un, URE_PLA_MISC_1, URE_MCU_TYPE_PLA) |