Datron 1061 - Page 49

f
ir
i1
*1
tT
r?
41
Íl
ti
+r
Et
ï{
d
t]
#
t
#
37
:j.
'-
.
,''
.
.
::
.. :..
29
at-to
I
A15
M45
415
o13
vMA.02
I
eeoo
I
M53
A15
D,oqt
uu,r 4o
Di
ROrì¡
¡io
DO
I
o7
R/w
1k
bytes
RAM
M19/ M20
R/W cs
9o
zso
uv,""
J7
RAM
A7
M35
?o
¿r ¡r,"
AP
cj7
RoM
air
M30
9o
¿r u"tu
J7
RoM
âìf
415
VMA
415 to
À1O
A6
A7
CAL
n/w
From
O14
of
Power-uP
/ Down
CircuilrY
A12
A14
Ã'iE
2
VMA
P
R
o
c
E
s
s
o
i
I
u
s
o
A
Y
A
INPUT /
OUTP
BUFFERS
VM
All
A14
Ã-15cMos
INPUT/OUTPUT
DEVICE
DECOOE
CMOS
DATA BUS
TO
DISPLAY
DRIVER
ASSEMELY
DIGIiAL
INTERFAC€
ASSEÀ/
TY
ANO
A-O
SECTION
Fig. 3.37
S¡MPL¡FIED
DIAGRAM OF
MEMORY CIRCUITS