參數(shù)資料
型號: BUS-65164-130K
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, CDFP70
封裝: 1.900 X 1 INCH, 0.215 INCH HEIGHT, FP-70
文件頁數(shù): 19/40頁
文件大?。?/td> 349K
代理商: BUS-65164-130K
26
MIN
MAX
3.0
SYMBOL
t11(@12MHz)
DESCRIPTION
TYP
UNITS
t1(@12MHz)
DATA HOLD TIME FOLLOWING RISING EDGE OF CS
DMA REQUEST TO DMA GRANT (COMMAND WORD)
s
t1(@16MHz)
DMA REQUEST TO DMA GRANT (COMMAND WORD)
s
t1(@12MHz)
ns
DMA REQUEST TO DMA GRANT (DATA WORD)
s
t1(@16MHz)
t14
DMA REQUEST TO DMA GRANT (DATA WORD)
s
t2
DT_ACK HIGH DELAY TO ADDRESS, WRT, CS HIGH IMPEDANCE (Note 1)
DMA GRANT PULSE WIDTH
ns
t3
DMA GRANT DELAY TO DMA ACKNOWLEDGE
ns
t4
ns
DT_ACK PULSE WIDTH
ns
t5
DT_ACK LOW DELAY TO A0 LOW (UPPER BYTE TRANSFER CYCLE TIME
ns
t6(@12MHz)
45
START OF BYTE TRANSFER CYCLETO RISING EDGE OF CS
ns
t6(@16MHz)
t11(@16MHz)
START OF BYTE TRANSFER CYCLETO RISING EDGE OF CS
ns
t7
DATA HOLD TIME FOLLOWING RISING EDGE OF CS
DATA TRI-STATE HOLD TIME FOLLOWING START OF BYTE TRANSFER
???ns
70
t8
DT_ACK LOW DELAY TO ADDRESS, WRT, CS ENABLED (Note 1)
???ns
t9(@12MHz)
ns
DATA SETUP TIME PRIOR TO RISING EDGE OF CS
ns
t9(@16MHz)
t12
DATA SETUP TIME PRIOR TO RISING EDGE OF CS
ns
t10(@12MHz)
DATA TRI-STATE SETUP TIME PRIOR TO END OF BYTE TRANSFER CYCLE
CS PULSE WIDTH
ns
t10(@16MHz)
CS PULSE WIDTH
ns
3.3
3.5
3.7
130
985
1015
485
515
315
365
360
410
50
35
195
255
150
170
ns
FIGURE 12. DMA WRITE 8-BIT
50
10
t13
DT_REQ HIGH DELAY TO ADDRESS UPDATE (Note 1)
ns
60
,
,
t1
t2
t4
t5
t8
t10
t14
t11
valid
t3
DT_REQ
DT_GRT
DT_ACK
WR
(SEE NOTE 1)
CS
(SEE NOTE 1)
A05-A01
DB15-DB00
(OUTPUT)
ADDR. WINDOW
(SEE NOTE 1)
t13
t6
t10
t6
A00
valid
t9
t11
t9
t17
t12
UPPER BYTE
(15..8)
t12
LOWER BYTE
(7..0)
t17
,
Note:
1)Diagram assumes ADDR_ENA is set to logic “0”. If is was set to logic “1”, then A13-A00, CS, and WRT would normally be high impedance until activated by DT_ACK as
shown by “ADDR. WINDOW” timing.
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