參數(shù)資料
型號： CT1990-1-20
廠商： Aeroflex Inc.
英文描述： MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
中文描述： 符合MIL - STD - 1553B總線遠(yuǎn)程終端，總線控制器，監(jiān)視器或被動(dòng)混合控制的狀態(tài)字
文件頁數(shù)： 11/29頁
文件大?。?/td> 232K
代理商： CT1990-1-20
Aeroflex Circuit Technology
SCDCT1990 REV B 8/21/00 Plainview NY (516) 694-6700
11
NBGT
OUTPUT
New Bus Grant
- Pulses low whenever a new command is accepted by the
ASIC.
MEREQ
INPUT
Message Error Request
- Positive-going edge will cause Message Error Bit in
Status Word to be set.
TX/RX
OUTPUT
Transmit/Receive
- The state of this line informs the subsystem whether it is
to transmit or receive data The signal is valid while INCMD is low.
INCMD
OUTPUT
In Command
- Goes low when the RT is servicing a valid command. The
subaddress and word count lines are valid while the signal is low.
WC0-WC4
OUTPUT
Word Count
- These five lines specify the requested number of data words to
be received or transmitted. Valid when INCMD is low.
SA0-SA4
OUTPUT
Sub Address
- These five lines are a label for the data being transferred. Valid
when INCMD is low.
CWC0-CWC4
OUTPUT
Current Word Count
- These five lines define which data word in the message
is currently being transferred.
SYNC
OUTPUT
Synchronize
- Goes low when a synchronize mode code is being serviced.
VECTEN/DWEN
OUTPUT
Vector Word Enable/DataWord Enable
- In the RT mode, this signal is
provided to enable the contents of the vector word latch (which is situated in
the subsystem) onto the ASIC’s internal highway. This signal, when in the Bus
Controller mode, is used to enable mode code data from the subsystem onto
the internal highway.
RESET
OUTPUT
Reset
- This line pulses low for 500ns on completion of the servicing of a valid
and legal mode command to reset remote terminal.
SSERR
INPUT
Subsystem Error
- By taking this line low, the subsystem can set the
Subsystem Flag in the Status Word.
BUSY
INPUT
Busy
- This signal should be driven low if the subsystem is not ready to
perform a data transfer to or from the ASIC.
SERVREQ
INPUT
Service Request
- This signal should be driven low to request an
asynchronous transfer and left low until the transfer has taken place.
INCLK
OUTPUT
Internal Clock (2 MHz)
- This is made available for synchronization use by the
subsystem if required. However, many of the outputs to the subsystem are
asynchronous.
EOT
OUTPUT
End of Transmission
- Goes low if a valid sync plus two data bits do not
appear in time to be contiguous with preceding word.
RTADER
OUTPUT
Remote Terminal Address Error
- This line goes low if an error is detected in
the RT address parity of the selected receiver. Any receiver detecting an error
in the RT address will turn itself off.
HSFAIL
OUTPUT
Handshake Failure
- This line pulses low if the allowable time for DTAK
response has been exceeded during the ASIC/subsystem data transfer
handshaking.
LSTCMD/CWEN
OUTPUT
Last Command/Command Word Enable
- This line pulses low when
servicing a valid and legal mode command to transmit last command. When in
RT mode this line must not be used to enable data from the subsystem. This
line also pulses low, when in the Bus Control mode, when a command word is
required for transmission.
Pin Description (Cont.)
Signal
Direction
Signal Description
相關(guān)PDF資料
PDF描述
CT19901 MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
CT1995 MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
CT1995-20 MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
CT1995-20-2 MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
CT1995-20-3 MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CT1990-SERIES 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Interface IC
CT1991-1-20 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
CT1995 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
CT1995-20 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
CT1995-20-2 制造商:AEROFLEX 制造商全稱:AEROFLEX 功能描述:MIL-STD-1553B Remote Terminal, Bus Controller, or Passive Monitor Hybrid with Status Word Control
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