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4.5 The Semaphore Area
This area is used for issuing a request from the T2/T2E/T2N for operating the DN211, or for
reading the DN211's response to a request. The addresses in Figure 4.9 indicate the word
addresses seen from the T2/T2E/T2N.
02CFH Reserved (1 word)
02D0H
Acknowledgement area (100 words)
0334H
Request area (200 words)
03FCH Acknowledgement flag register (1 word)
03FDH Request flag register (1 word)
03FEH Reserved (1 word)
03FFH Request register (1 word)
Figure 4.9 The Semaphore Area Configuration