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參數(shù)資料
| 型號(hào)： | 2561 |
| 廠商： | Aeroflex Inc. |
| 英文描述： | CT2561 Bus Controller, Remote Terminal and BUS Monitor FOR MIL-STD-1553B |
| 中文描述： | CT2561總線控制器，遠(yuǎn)程終端和總線監(jiān)測(cè)的MIL - STD - 1553B總線 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大?。?/td> | 103K |
| 代理商： | 2561 |
Aeroflex Circuit Technology
3
SCDCT2561 REV A 8/16/99 Plainview NY (516) 694-6700
Table 1A – Pin Function Table (78 Pin Plug-In)
Pin #
Symbol
I/O
Description
1
RT/BC
I
Mode Select input - logic "1" for RT mode, logic “0” for BC mode.
2
MT
I
Monitor mode enable. When unit is operating as a BC, a logic “0” will select
monitor mode.
3
STATEN
O
Output signal in RT mode that indicates status word is being transferred on the
internal bus.
4
TIMEOUT
O
Indicates No Response Timeout has occurred during BC and RTU (RT to RT
transfer).
5
HSFAIL
O
Output in RT mode indicating the DMA transfer did not occur in time to allow
proper operation on the 1553 bus.
6
DBACCEPT
I
Input signal used to set DBACCEPT bit in status register for response to a valid
mode command on the 1553 bus.
7
SSFLAG
I
Input which controls the SSFLAG bit in the status register.
8
SVCREQ
I
Input which controls the service request bit in the status word.
9
INCMD
O
Output signal indicating the RT is currently in a message transfer sequence.
10
SSER
I
Input which controls the subsystem error bit in the status register.
11
TESTOUT
-
Factory test point. Do not connect.
12
WC1
O
WC bit 1 - latched output of command word.
13
WC3
O
WC bit 3 - latched output of command word.
14
TXINH B
O
Transmitter inhibit output for channel B.
15
T/R
O
Output indicating T/R bit of current command word in RT mode.
16
CHA/CHB
O
Output indicating current selected channel (0 = Channel A).
17
CS
O
Chip Select output for subsystem memory control.
18
OE
O
Output Enable output for subsystem memory control.
19
BUSREQ
O
Output signal used to initiate transfer to/from subsystem.
20
+5V
I
+5 Volt DC input.
21
DB0(LSB)
I/O
Least significant bit - 16 bit parallel data bus.
22
DB2
I/O
Bit 2 of data bus.
23
DB4
I/O
Bit 4 of data bus.
24
DB6
I/O
Bit 6 of data bus.
25
DB8
I/O
Bit 8 of data bus.
26
DB10
I/O
Bit 10 of data bus.
27
DB12
I/O
Bit 12 of data bus.
28
DB14
I/O
Bit 14 of data bus.
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