參數(shù)資料
型號(hào)： BU-6486NEW
英文描述： MIL-STD-1553 Components |Mini-ACE? Mark3
中文描述： 符合MIL - STD - 1553模塊|迷你ACE論壇？ Mark3
文件頁(yè)數(shù)： 16/60頁(yè)
文件大?。?/td> 410K
代理商： BU-6486NEW
BC GENERAL PURPOSE QUEUE POINTER
The BC General Purpose Queue Pointer provides a means for
initializing the pointer for the General Purpose Queue, for the
Enhanced BC mode. In addition, this register enables the host to
determine the current location of the General Purpose Queue
pointer, which is incremented internally by the Enhanced BC
message sequence control engine.
RT/MT INTERRUPT STATUS QUEUE POINTER
The RT/MT Interrupt Status Queue Pointer provides a means for
initializing the pointer for the Interrupt Status Queue, for RT, MT,
and RT/MT modes. In addition, this register enables the host to
determine the current location of the Interrupt Status Queue
pointer, which is incremented by the RT/MT message processor.
BUS CONTROLLER (BC) ARCHITECTURE
The BC functionality for the Mini-ACE Mark3 includes two sepa-
rate architectures: (1) the older, non-Enhanced Mode, which pro-
vides complete compatibility with the previous ACE and Mini-
ACE (Plus) generation products; and (2) the newer, Enhanced
BC mode. The Enhanced BC mode offers several new powerful
architectural features.These include the incorporation of a high-
ly autonomous BC message sequence control engine, which
greatly serves to offload the operation of the host CPU.
FIGURE 2. BC MESSAGE SEQUENCE CONTROL
OP CODE
PARAMETER
(POINTER)
DATA BLOCK
MESSAGE
CONTROL/STATUS
BLOCK
BC INSTRUCTION
LIST
BC INSTRUCTION
LIST POINTER REGISTER
BC CONTROL
WORD
COMMAND WORD
(Rx Command for
RT-to-RT transfer)
DATA BLOCK POINTER
TIME-TO-NEXT MESSAGE
TIME TAG WORD
BLOCK STATUS WORD
LOOPBACK WORD
RT STATUS WORD
2nd (Tx) COMMAND WORD
(for RT-to-RT transfer)
2nd RT STATUS WORD
(for RT-to-RT transfer)
INITIALIZE BY REGISTER
0D (RD/WR); READ CURRENT
VALUE VIA REGISTER 03
(RD ONLY)
16
Data Device Corporation
www.ddc-web.com
BU-64743/64843/64863
C-03/03-300
Mark3 memory; LSB filtering for the Synchronize (with data) time
tag operations; and enabling a watchdog timer for the Enhanced
BC message sequence control engine.
BC CONDITION CODE REGISTER
The BC Condition Code Register is used to enable the host
processor to read the current value of the Enhanced BC
Message Sequence Control Engine's condition flags.
BC GENERAL PURPOSE FLAG REGISTER
The BC General Purpose Flag Register allows the host proces-
sor to be able to set, clear, or toggle any of the Enhanced BC
Message Sequence Control Engine's General Purpose condition
flags.
BIT TEST STATUS REGISTER
The BIT Test Status Register is used to provide read-only access
to the status of the protocol and RAM built-in self-tests (BIT).
NOTE: Please see Appendix “F” of the Enhanced Mini-ACE
Users Guide for important information applicable only to RT
MODE operation, enabling of the interrupt status queue and
use of specific non-message interrupts.
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BU-6586NEW MIL-STD-1553 Components |PCI Mini-ACE? Mark3
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