參數(shù)資料
型號: NHI-1598ET/883
廠商: NATIONAL HYBRID INC
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), MIL-STD-1553 CONTROLLER, CPGA69
封裝: 1.100 X 1.100 INCH, CERAMIC, PLUG IN, PGA-69
文件頁數(shù): 62/89頁
文件大?。?/td> 569K
代理商: NHI-1598ET/883
-
64
8.2.1.2
CONFIGURATION REG 1
Address: 9
Mode select - RT, BC, MT.
Start MT.
Select default frame A or B.
Select Message or Word monitor.
8.2.1.3
FRAME “A” POINTER
Address: 13
Holds address of a selected MT message list.
8.2.1.4
FRAME “A” LENGTH
Address: 14
Holds number of messages in frame A message list.
End of frame A options - Stop, Repeat , Go Alternate.
Interrupt at end of frame.
8.2.1.5
FRAME “B” POINTER
Address: 16
Holds address of a selected MT message list.
8.2.1.6
FRAME “B” LENGTH
Address: 17
Holds number of messages in frame B message list.
End of frame B options - Stop, Repeat, Go Alternate.
Interrupt at end of frame.
8.2.1.7
CONDITION REGISTER
Address: 19
Current BC frame A or B.
End of frame A.
End of frame B.
Current frame busy.
8.2.1.8
CONFIGURATION REGISTER 3
Address:
21
Enable tag word option.
Enable time tag option.
8.2.1.9
ADDRESS FILTER (0- 15)
Address:
22
Masks terminal addresses 0 - 15.
A "1" will mask the address.
8.2.1.10
ADDRESS FILTER (16- 31)
Address: 26
Masks terminal addresses 16 - 31.
A "1" will mask the address.
8.2.2
MESSAGE MONITOR RAM
The Message Monitor ram is used to store message lists and message tables in much the same
manner as the BC. A message list is a block of consecutive memory locations, each of which
contains the address of a message table. This list can contain any number of message table
addresses up to a maximum of 1024. Many message lists can be stored in the ram, limited only
by ram size, each one containing a different scenario.
8.2.3
MESSAGE MONITOR MESSAGE TABLE
A message table is a block of consecutive memory which contains all the components of one
message. These components include:
Tag word control word.
Command word or Status word.
32 bit time tag( two words).
Data words.
The format of a Message Table is a function of the type of command stored in ram. These
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