參數(shù)資料
型號: CT2565-FP
廠商: Aeroflex Inc.
英文描述: CT2565 Bus Controller, Remote Terminal and BUS Monitor FOR MIL-STD-1553B
中文描述: CT2565總線控制器,遠(yuǎn)程終端和總線監(jiān)測的MIL - STD - 1553B總線
文件頁數(shù): 25/31頁
文件大小: 356K
代理商: CT2565-FP
Aeroflex Circuit Technology
25
SCDCT2565 REV B 8/10/99 Plainview NY (516) 694-6700
Table 9A – Pin Function Table (78 Pin DDIP)
Pin #
Symbol
Description
1
RT/BC
Mode Select input - logic "1" for RT mode, logic “0” for BC mode.
2
MT
Monitor mode enable. When unit is operating as a BC, a logic “0” will select monitor
mode.
3
STATEN
Output signal in RT mode that indicates status word is being transferred on the
internal bus.
4
TIMEOUT
Indicates No Response Timeout has occured during BC and RTU (RT to RT transfer).
5
HSFAIL
Output in RT mode indicating the DMA transfer did not occur in time to allow proper
operation on the 1553 bus.
6
DBACCEPT
Input signal used to set DBACCEPT bit in status register for response to a valid mode
command on the 1553 bus.
7
SSFLAG
Input which controls the SSFLAG bit in the status register.
8
SVCREQ
Input which controls the service request bit in the status word.
9
INCMD
Output signal indicating the RT is currently in a message transfer sequence.
10
SSER
Input which controls the subsystem error bit in the status register.
11
TESTOUT
Factory test point. Do not connect.
12
WC1
WC bit 1 - latched output of command word.
13
WC3
WC bit 3 - latched output of command word.
14
TXINH B
Transmitter inhibit output for channel B.
15
T/R
Output indicating T/R bit of current command word in RT mode.
16
CHA/CHB
Output indicating current selected channel (0 = Channel A).
17
CS
Chip Select output for subsystem memory control.
18
OE
Output Enable output for subsystem memory control.
19
BUSREQ
Output signal used to initiate transfer to/from subsystem.
20
+5V
+5 Volt DC input.
21
DB0
Least significant bit - 16 bit parallel data bus.
22
DB2
Bit 2 of data bus.
23
DB4
Bit 4 of data bus.
24
DB6
Bit 6 of data bus.
25
DB8
Bit 8 of data bus.
26
DB10
Bit 10 of data bus.
27
DB12
Bit 12 of data bus.
28
DB14
Bit 14 of data bus.
29
LWORD
Last word output during BC mode indicates last data word of the current message
transfer has been transferred on the parallel bus.
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