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12
ALAS Rr RATE Ti OR EE
ul atin el ai AiBRORRE
3-4-2.
Block diagram
UP/DOWN
COUNTER
PGo
Co
RELZILZIZLE?,
RAM
—
OECODER
INSTRUCTION — 8US
Sbit
CONTPOL
&
OECODE
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KZZZZZ77777
PEs-0<
—
| CLZLZZZLLLL
ROM
AEXESSSSS
SESS
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MP0S54: 1000x8
4
y
Z
'
LLL
;
4
PDs-0C 9 0 K
Z
y
al y
Ly
|
o v a t e )
o KABA
sl
a
PCs-0C
NC KS
4
=
Z
g
y
y
Z
4
LLL LL
DP: data pointer
PC: program counter
CLeO
CLOCK
O
$
ALU: arithmetic & logical unit
C: carry flip-flop
CuO
GENERATOR
__
INT
= RES
é
Acc: accumulator
Fig. 3-7.
Block diagram
3-4-3. Control program and function addresses
PT
Address
TS
Autopresent
|
Operating button
fee fe lole@[
&
+i
|
Ps
FS rt
PET [CHT PLAY at he bgining of tape winding | Operatngbuton input PAUSE |
H(t [nes
"SSTS*dCrating
ton inp REC MUTE
=
| H |
CUE signal input terminal
REC SAFETY input (H enables recording)
"lel
Ga
rc
| 1 |
| 2 |
| 3
| 4 |
{5 |
| 6 |
Ir
Table 3-6. Operating functions and addresses
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