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Bit specification of word devices (DT*.n, LD*.n)
● As for data register DT and link register LD, specific bits in 16-bit data can be extracted and
used as bit data, by specifying the device type, device number, and bit number.
● The device number and the bit number should be separated by a period (.).
● This can only be used with basic instruction and communication instruction. Refer to
"Available devices" of the respective instructions.
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Device no.: Decimal
Bit no.: Hexadecimal
Device type
DT, LD
1, 2, 3…
0, 1, 2 … 9, A, B … F
<Example> For word devices DT*.n
DT0.0, DT0.1, ------- DT0.F,
DT10.0, DT10.1, ---- DT10.F
DT20.0, DT20.1, ---- DT20.F
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How to count memory area numbers
The numbers of respective memory areas (e.g. data register DT) should be specified by
decimal numbers. (This excludes index registers.)
<Example> For data register DT
DT0, DT1,-----------DT9
DT10, DT11, -------DT19
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2.4 Specification of Device Numbers
2-16 WUME-FP7CPUPGR-12
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