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Page Title:
Figure 129. Format of Peripheral IDR Word |
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|  MIL-D-81347C(AS)
BINARY
OCTAL
Enable IDR Monitor EI - The DMS shall enable, per Field F,
from one to eight of the input peripherals to access the com-
puter via an IDR when the peripheral is not selected. The
access to the computer shall be via an External Interrupt gen-
e rated by the DMS identifying which peripheral has raised the
IDR. No data shall be transmitted from the peripheral to the
computer and the peripheral's IDR shall not be cleared.
Enable Peripheral EI and IDR Monitor EI - The DMS shall per-
form both an Enable Peripheral EI and an Enable XDR Monitor
EI as described previously.
Select Input and Output and Enable Peripherals EI and IDR
Monitor EI - The DMS shall perform the four functions as pre-
viously described.
Multiplexer Status Request - The DMS shall transmit a DMS
Status EI to the computer as described in the Word Format
3.5.4.4.1.6.1(4).
Set DM External Channel Test.
Reset DM External Channel Test.
Spare 1 Test, Spare 2 Test, Spare 3 Test, Spare 4 Test and
Spare 5 Test - The DMS shall make available at its connector
interface five signals, one for each instruction, indicating
compute r test request that may be used for future subunit ex-
pansion. Two of these instructions may be used to initiate tests
in existing subunits.
Interface Requirements - Refer to Figure 137, the Functional
Flow Diagram for the DMS.
Format of Input Words to Computer from the DMS
3.5.4.4.1.6.1
(1) Peripheral IDR - Refer to word format shown in Figure 129.
.
Field A - Bits 29 through 0 - shall represent the data bits
from the peripheral equipment being serviced by the selected DMS channel.
EI - Refer to format shown in Figure 130.
(2) Peripheral
Figure 129.
Format of Peripheral IDR Word
232
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