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This IC includes both registers that can be read and registers that can be written. These registers can be accessed using either the serial interface (CCB) or the parallel interface. The SP pin switches between these interfaces. The initial values of the write registers are the data loaded into internal registers when a reset signal (RST) is received. These values are recommended values that do not need to be changed during normal operation. If the parallel interface is used, applications must hold the address fixed at OOH when reading out data to which error correction has been applied. If the CCB interface is used, the application needs only to specify the CCB address (#FB). The address OOH is an invalid address for writing. The addresses other than those specified below are control addresses particular to the lC. Applications must not specify those addresses.