参数资料
型号: CORE1553BRT-AR
厂商: Microsemi SoC
文件页数: 15/74页
文件大小: 0K
描述: IP MODULE CORE1553 REMOTE TERM
标准包装: 1
系列: *
Core1553BRT v4.0 Handbook
I/O Signal Descriptions
Table 3-2 lists the signals for the 1553B bus interface. Table 3-3 on page 15 lists the control and status
signals.
Double flip-flop metastability synchronizers are implemented on the following inputs: RTADDR[4:0],
RTADDRP, BUSAINP, BUSAINN, BUSBINP, and BUSBINN.
Table 3-2 ? 1553B Bus Interface
Port Name
RTADDR[4:0]
RTADDRP
Type
In
In
Description
Sets the RT address; RT address can be set to ‘11111’ for normal operation
only when BCASTEN is set to 0.
RT address parity input. This input should be set HIGH or LOW to achieve
odd parity on the RTADDR and RTADDRP inputs. If RTADDR is '00000', the
RTADDRP input should be 1.
RTADERR
BUSAINEN
Out Indicates that the RTADDR and RTADDRP inputs have incorrect parity, or
broadcast is enabled, and the RT address is set to 31. When active (HIGH), the RT
is disabled and will ignore all 1553B traffic.
Out Active high output that enables for the A receiver
BUSAINP
BUSAINN
In
In
Positive data input from the A receiver
Negative data input from the A receiver
BUSBINEN
Out Active high output that enables for the B receiver
BUSBINP
BUSBINN
In
In
Positive data input from the bus to the B receiver
Negative data input from the bus to the B receiver
BUSAOUTIN
BUSAOUTP
BUSAOUTN
BUSBOUTIN
BUSBOUTP
BUSBOUTN
Out Active high transmitter inhibit for the A transmitter
Out Positive data output to the bus A transmitter (held HIGH when no transmission)
Out Negative data output to the bus A transmitter (held HIGH when no transmission)
Out Active high transmitter inhibits the B transmitter
Out Positive data output to the bus B transmitter (held HIGH when no transmission)
Out Negative data output to the bus B transmitter (held HIGH when no transmission)
Table 3-3 ? Control and Status Signals
Port Name
CLK
RSTn
SREQUEST
RTBUSY
SSFLAG
TFLAG
VWORD[15:0]
Type
In
In
In
In
In
In
In
Description
Master clock input (12, 16, 20, or 24 MHz)
Reset input asynchronous (active low)
Directly controls the Service Request bit in the 1553B status word
Directly controls the Busy bit in the 1553B status word
Directly controls the Subsystem Flag bit in the 1553B status word
Controls the Terminal Flag bit in the 1553B status word. This can be masked by the
"inhibit terminal flag bit" mode code.
Provides the 16-bit vector value for the "transmit vector word" mode command
BUSY
Out Indicates that the 1553BRT is either receiving or transmitting data or handling a
mode command
Note: All control inputs except RSTn are synchronous and sampled on the rising edge of the clock. All
status outputs are synchronous to the rising edge of the clock.
Revision 3
15
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