Sharp MZ-5500 Tehnical Manual page 51

,
~OOOOH
DREo. 3
EOP
\.
Circuit example
The analog waveform is converted into the digital signal via the A/D
converter, and data of 32KB are transferred to the main memory area,
to 47FFFH at every 100 microseconds.
A/D convert.er
8
ftß8
IAl
1 - - _ - - '
tth1
DO
v-~--------------~ADB
~
.-------------~AD7
D7
-t-5V
6&1<
AOO
1
1'\&
' 1
Do
I
~DO
DIS
rORl
4McLK
D7
Di~
Arowc
Aq
A~
A7
AG
A5
A4
1~3
}---IR-2G
A2
(\1
8
Counter
Qt------I
r-------~----~D
--------~----~
'- ( } - - - - DAck,3
a:r:-c<}--
RESbl
+5V
~R5TSW
D
g
CLR
Fig.1 Circuit example