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4.2 The Input/Output Data Area
This area stores data to be exchanged between the DN211 and slave devices. Output data from
the T2/T2E/T2N is written in this area, while input data is read from this area.
This area also have the output and input semaphore registers used for synchronous
communications between the DN211 and slave devices. The addresses in Figure 4.2 indicate the
word addresses seen from the T2/T2E/T2N.
0000H
Polling/Bit strobe input data area
128 words/2048 bits
007FH
0080H
Polling output data area
128 words/2048 bits
00FFH
0100H
Bit strobe output data area
4 words/64 bits
0103H
0104H Bit strobe output data semaphore (1 word)
0105H Polling output data semaphore (1 word)
0106H Input data semaphore (1 word)
Figure 4.2 Input/Output Data Area Configuration