Toshiba TR PMIU, User Manual, Page: 85 / 182

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5 5 5 5. . . .1 1 1 1. . . .2 2 2 2
Register length
Usually length is 1 word, you can set register length in “Add Tag” windows.
Half word
Contain 8bits (1byte). The value up to 255 can be stored. One register tag includes 2 tags (There is 1 tag in
high-order, and 1 tag in low-order).
Single word
Contain 16bits (2 byte). The value up to 65,535 can be stored (in unsigned integer).
This is the most basic register tag.
Double word
Contain 32bits (4byte). The value up to 4,294,967,295 can be stored (in unsigned integer). 1 double word
register tag is stored by dividing into 2 consecutive tag numbers (high-order 16bits : tag 1,
low-order 16bits : tag number), and you can edit each tag independently. Only double word instruction and
operation with carry can handle the data of these tags as double word.