Toshiba H1 Series Data Book page 263

4. ID Read
The ID read routine is as follows:
ldw
ld
ldw
ld
ldw
ld
ld
(ndfmcr0),20B0h ; WE Enable, CLE enable
(ndfdtr0),90h ; Write ID read command
(ndfmcr0),20D0h ; ALE enable, CLE disable
(ndfdtr0),00h ; Write 00
(ndfmcr0),2010h ; WE disable, CLE disable
xx,(ndfdtr0) ; Read 1'st ID maker code
xx,(ndfdtr0) ; Read 2'nd ID device code
92CZ26A-260
TMP92CZ26A