Hitachi AP1 Data Book page 85

-----------------------------------------------------HMcS46c,HMcS~CL
• BLOCK DIAGRAM
ROM
4.096 x 10 bit
(program memory and
Pattern memory)
<"r
PC (12bitl
ft
~1
Stack Register
(4 x 1·2 bit)
~
A
B
X
In,
SPX
IT
I
Timer/Counter
1
/ " I
/ j
~
Inter-
rupt
l
.
R5
~7
Instruction
Decoder
Jll
-!1=
-
~[J
A
...
:::>
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<{
A-
Y
'---~
Spy
..:
~ddressin~
'7
f - -
c
0
.~
RAM
:;
256x 4 bit
0.
'c
~~
.
R4 and R6 can be used
as general purpose registers •
•• Power-on Reset Circuit (ACL)
is not built in HMCS46CL.
83
R4
11
VI
:::>
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0,
0,
-0
0
0
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NO
~G
~H
LT
~T
--OR ESET
0 SC,
~O
SC,
: : I/O Common
'- _ _ _ _ .J