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CHAPTER 3 FEATURES OF ARCHITECTURE AND MEMORY MAP
53
User’s Manual U10676EJ3V0UM
Figure 3-7.
µ
PD754244 I/O Map (2/8)
Hardware name (symbol)
Number of bits that
Bit
Address R/W
can be manipulated
manipulation Remarks
b3 b2 b1 b0 1-bit 4-bit 8-bit
addressing
F90H Timer counter 2 mode register (TM2) R/W
(W) – –
Bit manipulation can be performed only on bit 3
–– –
F92H
TOE2 REMC NRZB NRZ
R/W
– Bit 3 can only be written
Timer counter 2 control register (TC2)
0 –––
–– Only 0 can be written to bit 3
F94H Timer counter 2 count register (T2) R ––
–
F96H Timer counter 2 modulo register (TMOD2) R/W ––
–
F98H Unmounted
to
F9FH
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