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Page Title:
Table XIII. CIU Serial Transmissin Address Assignments |
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|  MIL-N-81604C(AS)
TABLE XIII. CIU SERIAL TRANSMISSION
ADDRESS ASSIGNMENTS
*
Function
LSB
Load
Status Word
01
011
100
Load
Right Display
01
011
101
Load
Left Display
01
011
110
Load
and Read Status Word
11
011
100
Load and Read Right Display
11
011
101
Load and Read Left Display
11
011
110
Read Command Word
11
011
111
Address shall be transmitted LSB first.
1.
The trailing edge of the eighth address bit
2.
shall coincide with the leading edge of the
control pulse.
Para 3.4.4.4
(cont)
Heading Slew - This CIU output to the CAU shall be
b.
routed directly through the ANCU for use in develop-
ing grid heading in the free mode [3.4.1.1.3c(2)] .
This switch output shall have a minimum current rat-
ing of 250 ma resistive and 100 ma inductive at
*
28 volts d-c. The line receivers in the CAU shall
be Type B circuits.
*
Heading Slew Sign - In the CIU, the heading
(1)
*
slew sign line shall be connected to the
heading-slew return line when slewing in either *
the high or low DCR (decrease) direction. There
shall be no break in the connection when switch-
ing from high to low DCR.
*
(2)
Heading Fast Slew - In the CIU, the heading
fast slew line shall be connected to the heading
*
slew return line when slewing at either the DCR
*
or INCR (increase) high slew rates. Refer to
*
Appendix I, as the slew rates are a function
of the aircraft unique CAU.
73
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