Hitachi AP1 Data Book page 124

4-bit single-chip microcomputer
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HMCS47C,HMCS47CL-------------------------------------------------------
"V
15 14
X~
15 14
0
0
--
N
N
M
M
or or
It)
It)
(I)
(I)
" "
co co
al
al
..
~ ~
:: ::
~ ~
~ ~~
~
~
~ ~~
It)
or
!!! !!!
it it
2
2
13 12 11 10
9
8
7
6
5
4
3
13 12 11 10
9
8
7
6
5
4
3
M
N
...
0
al
co
"
(I)
It)
or
M
it it it it
a: a: a: a: a: a: a:
2
2
2
2
2
2
2
2
2
2
2
Figure 12 RAM Address Space
2
3
22
21
n
:
:01
0
M(O)
:
:0:
I
M(1)
:0:
I
2
M(2)
10:
I
3
M(3)
n • Bit Assignment No. (Operand)
Figure 13 RAM Bit and Operand n
122
2
1
2
1
N
a:
it
2
2
0
0
0
a:
2
V register
Digit No.

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