Bus Structure - Advanced Micro Computers Am96/4016 User Manual

I/O--+t
R/W -----...
DS
os
I/O R/VV' lOR lOW
0 0 0 1 0
0 0 1 0 1
1 X X 1
1
x:
1
X
1 1
Figure 4-1. IOR* and IOW* Decoding
,..------------------------------------------------,
-
/
Breakpoint
Comparator
~_I/_O
_ _.. -
8/
~
_
' ~ I
_
,--_M_e_m_o_r_
y
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1 ~ /
1'09
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I
o
0
roO
c: -
L . . -
Q) VI
E~
NMI*
~
L
a
~
t
C
h
CPU
~
T
r
a
n
~
s
-
-
C
e
i
v
e
r
I
Address Bus
~
INH*
L-::.",scl"""e_iv_e_r
-----~
- - - - - - -
,~
Data Bus (DO-D15)
P2
Figure 4-2. Bus Structure
4-3