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): 32/89頁
文件大?。?/td> 569K
代理商: NHI-1598ET/883
-
37
BUS CONTROLLER MEMORY ORGANIZATION
FRAME A/B ADDRESS
MESSAGE LIST
RECEIVE MESSAGE TABLE
REGISTER
4.4.1
BC CONTROL WORD
The BC CONTROL WORD contains information which is specific to the message in its data table.
The word has certain bits which are controlled by the CPU and others are controlled by the ET.
This dual functionality provides a more a friendly and uncomplicated user inter face. Bits( 9: 0)
are defined by the CPU and provide message setup detail, while Bits( 15: 10) are controlled by
the ET and report operation information.
15
14
13
12
11
10
9
8
EOM
RETRY
STATSET
ERROR
NORESP
SOM
LCLRTRY
1
LCLRTRY
0
7
6
5
4
3
2
1
0
BUS
TFRSVINS
SRQ
BCST
BUSY3
SSF
MSGERR
RT-RT
EOM
Bits: 15
1= Set by the ET.
Message has been transmitted and completed.
RETRY
Bits: 14
1= Set by the ET.
A Retry has been attempted for this message.
See LOCAL and
GLOBAL retry setups for the scenario.
STATSET
Bits: 13
1= Set by the ET.
The Status word(s) returned by the RT had bits set that aren't
"Don't Cares" or had the wrong RT address .
ERROR
Bits: 12
1= Set by the ET.
The message returned by the RT contained an error.
MESSAGE LIST
ADDRESS
POINTER 2
POINTER 1
CONTROL WORD
RECEIVE COMMAND WORD
MESSAGE GAP WORD
TIME TAG MS WORD
TIME TAG LS WORD
DATA WORD
STATUS RESPONSE
POINTER N
MESSAGE LIST
SIZE N
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