Raytheon DIDS-400 Series Technical Manual page 94

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MASTER
W
L
OSCILLATOR
MINOR
VERTICAL
EXPANSION
1.3MHz
2.4576 MHz
~
OI4,Xl,OI5
A26.12
L
1.3MHz
1
12Hz OSCILLATOR
t:
6Hz
L _ _ _ _ _ _ _ _ - - '
12Hz
"'11
PHASE
COUNTER
EIGHT 8TH CHARACTER SOTH
)J2 BIT COUNTER CTS CHARACTER CHAR COUNTER CHAR
~ A20. 12, A20. 9,~ COUNTER I----I~ A4.12, A4.9,
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A26.9 ANDAI9.9 AI5.12,AI5.9 A5.12,AND
L
03
~04
,01
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L-_ _ _
~~
012
,0
A GATE
ANDAlO.12 A5.9
~ CTS
'--1-*
CTS+T
L-_-+-~ CTS + 4 & 5
L
7TH CHAR
~ STH CHAR
LSOTH CHAP
~HORIZ
DRIVE
, - -
~S ------~~;
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1 1
1--.
BINARY BINARY
I
1
COUNTER
~
COUNTER
SET
,0
A GATE
I A36 A37
LOGIC
CIRCUITS
I
.,. 14
LINE
COUNTER
A6.9, A6.12,
Al1.9, AND
All. 12
l
LN 1
V DRIVE
,0A
10 - BIT DECIMAL
f----
STP IL
1200-BAUD CIRCUITRY
J
- - - - - - - - - - - - -
COUNTER L - - - STT
' - A33.12, A33.9, I
~
PIO A 12
A32.12, AND A32.9
f----
PAR
Figure 4-18. Timing Circuits. Block Diagram
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tj
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