EIP 545A - Page 95

Fig'ure 106a. Count Chain Functional Diagram
1 F
OUTPUT
r
---------
COUNT CHAIN
BAND2
51
IF
-
-
I U2 -
Q8.09, 010 U4 U5
1
INPUT SIGNAL 1 ST ECL 2ND 3RD
DECADE
SELECTOR
' CONDITION-
* DECADE
- TOTTL - DECADE - COUNTER
BAND3
J2
4
ING CONVERTER
COUNTER
1 F 1.
A
r PI PIN 35 GATE
I
LPUT INPUT 2
RTC RESET
4
U6
6 DECADE COUNTER
FROM
COUNTER
INTERCONNECT
A1 00
L
/I4
A
-
v
/
-
v
4 -
-
L
PERIPHERAL INTERFACE ADAPTOR
U81U9
l& ms
PI PIN 34 100 kHz
V
4 DECADE
COUNTER
1
L
A
14
/ 3 CONTROL
U10
+
112 PORT B
w +
PORTA 112PORTB
v
/ R 56
+12 ACTIVE
,+5v
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