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Page Title:
Table 5-3. Homogeneous Port Addresses to R.A.M. |
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 T.O. 31W2-2GSC24-2
TM 11-5805-688-14-1
NAVELEX 0967-LP-545-3010
5-279. Read Function.
generated for the active ports in the system. To obtain
the near-homogeneous readout of the channel
5-280. The major function of the read circuits is to
addresses for the active ports, the weights of the binary
generate the 5-bit read port addresses that select and
bits from the read port address counter to the read/write
read out the 4-bit channel addresses stored in the
port address selector are reversed (LSB becomes MSB,
R.A.M. for each active port. The read circuits are
etc). The result is a near-homogeneous selection of
configured so that the 5-bit read port addresses to the
channel addresses for the active ports as shown in table
R.A.M. are applied, not in sequential order, but in the
5-3.
near-homogeneous sequence as described below.
5-282. The decimal state of the reverse binary codes
5-281. As the read port address counter is incremented
listed in table 5-3 shows that some of the forward binary
by RIO, sequential 5-bit read port addresses are
numbers for ports greater than
Table 5-3. Homogeneous Port Addresses to R.A.M.
Read Port Address
Read Port Address to
Equivalent
Counter 5-Bit Binary
Decimal
R.A.M. After Reversal
Decimal
Output
State
of Binary Weights
State
MSB LSB
MSB LSB
00000
0
00000
0
00001
1
10000
16
00010
2
01000
8
00011
3
11000
24
00100
4
00100
4
00101
5
10100
20
00110
6
01100
12
00111
7
11100
28
01000
8
00010
2
01001
9
10010
18
01010
10
01010
10
01011
11
11010
26
5-70
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