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8XC196NP, 80C196NU USER’S MANUAL
3-4
3.3 ACCUMULATOR REGISTER (ACC_0
x
)
The 32-bit accumulator register (Figure 3-1) resides at locations 0C–0FH. Read from or write to
the accumulator register as two words at locations 0CH and 0EH.
ACC_0
x
x
= 0, 2 (80C196NU)
Address:
Reset State:
0EH, 0CH
00H
The 32-bit accumulator register (ACC_0
x
) resides at locations 0C–0FH. You can read from or write to
the accumulator register as two words at locations 0CH and 0EH.
80C196NU 15 8
Accumulator Value (word 1, high byte)
7 0
ACC_02
Accumulator Value (word 1, low byte)
15 8
Accumulator Value (word 0, high byte)
7 0
ACC_00
Accumulator Value (word 0, low byte)
Bit
Number
Function
15:0 Accumulator Value
You can read this register to determine the current value of the accumulator. You can
write to this register to clear or preload a value into the accumulator.
Figure 3-1. Accumulator (ACC_0
x
) Register