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參數(shù)資料
| 型號： | BU-65142D2-870Z |
| 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, CQIP78 |
| 封裝： | CERAMIC, QIP-78 |
| 文件頁數(shù)： | 2/26頁 |
| 文件大?。?/td> | 247K |
| 代理商： | BU-65142D2-870Z |
10
Data Device Corporation
www.ddc-web.com
BU-65142 and BUS-65142 SERIES
U-05/02-0
~ ~
1553 BUS
CMD 1514131211 10 9 8 7 6 5 4 3 2 1 0 P DATA 15 1413 12 1110 9 8 7 6 5 4 3 2 1 0 P DATA 15141312 1110 9 8 7 6 5 4 3 2 1 0 P
RECEIVE 2 WORDS
3.4 ± 5
s
3.5 ± 5
s
300ns max
100-150ns
200ns min
3.4 ± 5
s
10.5 ± 5
s
~ ~
NBGT
INCMD
DTREQ
DTGRT
DTACK
R/W
DTSTR
A10 (T/R BIT)
DAT/CMD
A9-A5
200-400ns
PREV SUB
PREVIOUS
WORD COUNT
COMMAND WORD SUBADDRESS FIELD
A4-A0
D15-D0
STATEN
GBR
BITEN
ME
HS FAIL
RTFAIL
START OF NEW
COMMAND WORD
INITIALIZATION
A10-A0
ARE VALID
(COMMAND
WORD)
ILLCMD STROBED IN
A4-A0 0 (CURRENT
WORD COUNTER)
RTU REQUESTS DATA
BUS FOR COMMAND
WORD TRANSFER
200ns min
100-150ns
825-925ns
100-150ns
2.85s max
2.1s max
300ns max
50ns min
450-550ns
PREVIOUS
MESSAGE
WORD
COUNT
note 7
100ns max
CURRENT WORD COUNT = 00000
100ns max
825-925ns
COMMAND WORD
TRANSFER TO SUBSYSTEM
475-550ns
RTU DATA VALID
225-275ns
50ns min
225-275ns
1st DATA WORD IS
RECEIVED &
VALIDATED
RTU REQUESTS DATA
BUS FOR DATA WORD
TRANSFER
STATUS INPUTS
STROBED IN
DTGRT IS
RECOGNIZED
note 7
100ns max
250ns min Setup time
HOLD TIME 600ns min
SRQ
BUSY
SSFLAG
ADBC
RTFLAG
DTGRT IS
RECOGNIZED
DATA TRANSFER
STARTS
1st DATA WORD
TRANSFER
FIGURE 5. RECEIVE TIMING DIAGRAM
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