參數(shù)資料
型號(hào)： BU-61743G3-652W
廠商： DATA DEVICE CORP
元件分類： 微控制器/微處理器
英文描述： 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
封裝： 25.40 X 25.40 MM, 3.94 MM HEIGHT, CERAMIC, FP-72
文件頁(yè)數(shù)： 6/60頁(yè)
文件大?。?/td> 700K
代理商： BU-61743G3-652W
14
Data Device Corporation
www.ddc-web.com
BU-6174X/6184X/6186X
Rev. C
COMMAND WORD CONTENTS ERROR
0(LSB)
RT-to-RT 2ND COMMAND ERROR
1
RT-to-RT GAP / SYNC / ADDRESS ERROR
2
RT-to-RT TRANSFER
INVALID WORD
3
INCORRECT SYNC
4
WORD COUNT ERROR
5
RESERVED
6
DATA STACK ROLLOVER
7
GOOD DATA BLOCK TRANSFER
8
NO RESPONSE TIMEOUT
9
FORMAT ERROR
10
ERROR FLAG
12
CHANNEL B/A
13
SOM
14
EOM
15(MSB)
DESCRIPTION
BIT
11
TABLE 33. MESSAGE MONITOR MODE BLOCK
STATUS WORD
TERMINAL FLAG
0(LSB)
DYNAMIC BUS CONTROL ACCEPTANCE
1
SSFLAG
2
REMOTE TERMINAL ADDRESS BIT 0
BUSY
3
BROADCAST COMMAND RECEIVED
4
RESERVED
5
RESERVED
6
RESERVED
7
SERVICE REQUEST
8
INSTRUMENTATION
9
MESSAGE ERROR
10
REMOTE TERMINAL ADDRESS BIT 1
12
REMOTE TERMINAL ADDRESS BIT 2
13
REMOTE TERMINAL ADDRESS BIT 3
14
REMOTE TERMINAL ADDRESS BIT 4
15(MSB)
DESCRIPTION
BIT
11
TABLE 35. 1553B STATUS WORD
NON-TEST REGISTER FUNCTION SUMMARY
A summary of the Enhanced Mini-ACE's 24 non-test registers
follows.
Interrupt Mask Registers #1 and #2 are used to enable and
disable interrupt requests for various events and conditions.
Configuration Registers #1 and #2 are used to select the
Enhanced Mini-ACE's mode of operation, and for software con-
trol of RT Status Word bits, Active Memory Area, BC Stop-On-
Error, RT Memory Management mode selection, and control of
the Time Tag operation.
Start/Reset Register is used for "command" type functions such
as software reset, BC/MT Start, Interrupt reset, Time Tag Reset,
Time Tag Register Test, Initiate protocol self-test, Initiate RAM
self-test, Clear self-test register, and Clear RT Halt. The
Start/Reset Register also includes provisions for stopping the BC
in its auto-repeat mode, either at the end of the current message
or at the end of the current BC frame.
BC/RT Command Stack Register allows the host CPU to deter-
mine the pointer location for the current or most recent message.
BC Instruction List Pointer Register may be read to determine
the current location of the Instruction List Pointer for the
Enhanced BC mode.
BC Control Word/RT Subaddress Control Word Register: In
BC mode, allows host access to the current word or most recent
BC Control Word. The BC Control Word contains bits that select
the active bus and message format, enable off-line self-test,
“1” FOR MESSAGE INTERRUPT EVENT
”0” FOR NON-MESSAGE INTERRUPT EVENT
0
END-OF-MESSAGE (EOM)
RAM PARITY ERROR
1
SUBADDRESS CONTROL
WORD EOM
PROTOCOL SELF-TEST
COMPLETE
2
RT CIRCULAR BUFFER 50%
ROLLOVER
NOT USED
MODE CODE INTERRUPT
RT ADDRESS PARITY
ERROR
3
FORMAT ERROR
TIME TAG ROLLOVER
4
HANDSHAKE FAIL
NOT USED
5
RT COMMAND (DESCRIPTOR)
STACK ROLLOVER
NOT USED
6
RT COMMAND (DESCRIPTOR)
STACK 50% ROLLOVER
NOT USED
7
MONITOR COMMAND
(DESCRIPTOR) STACK
ROLLOVER
NOT USED
8
MONITOR COMMAND
(DESCRIPTOR) STACK 50%
ROLLOVER
NOT USED
9
RT CIRCULAR BUFFER
ROLLOVER
NOT USED
10
MONITOR DATA STACK
ROLLOVER
NOT USED
12
MONITOR DATA STACK 50%
ROLLOVER
NOT USED
13
ILLEGAL COMMAND
NOT USED
14
TRANSMITTER TIMEOUT
NOT USED
15
DEFINITION FOR MESSAGE
INTERRUPT EVENT
DEFINITION FOR
NON-MESSAGE
INTERRUPT EVENT
BIT
11
TABLE 34. RT/MONITOR INTERRUPT STATUS WORD
(FOR INTERRUPT STATUS QUEUE)
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