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Funktionspegel IC 101/102
steht
L Pegel < 0,5V
H Pegel 2 2,2V
IC 10
Pegel an den Pin's
1
« Oszillator
1,2Vss
11
+ 29'Impuls
_J LL. 30msech
17
_
18
+L 3,7V
23* « ZahlerStopp
VL
L
24
« Letter
LI
L
25* »
Korrektur
| |
:
L
38
+L
"L-—
Display-Freigabe
Function level IC 101/102
Pin onIC 101
Pin on IC 102
42
113
|5* 1 6* |12*|13*%
516
Sp
eee
pepe fete
L
Playback
L
Fast Forward
:
Fast Rewind
L
Search forward
L
Search rewind
L
L
Tel. Listening
|
H
Tel. Recording
H
Fast erase fwd.
L
Fast erase rewd.
L
Start micro.
L
Record start micro.
H
Backspace
L
End of letter
H
Index signal
LJtte
Eject
ae
ae a
ee ee
1): When simultaneously microphone
is in the position "Start®
L level = 0,5V
H level = 2,2V
IC 10
Pin
1
+ Oscillator
1,2Vss
2
« Oscillator
3,2Vss
f=32,768 MHz
17
2
18
+L 3,7V
23* «
Counter Stop
U
L
25
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