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參數(shù)資料
| 型號： | BU-64703B9-300 |
| 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, CBGA80 |
| 封裝： | CERAMIC, BGA-80 |
| 文件頁數(shù)： | 4/48頁 |
| 文件大小： | 405K |
| 代理商： | BU-64703B9-300 |
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12
Data Device Corporation
www.ddc-web.com
BU-64703
D-03/06-0
t1
Mid-parity crossing of received command word delay to
SA4-SA0, L-BRO, T/R Bit, and WC/MC valid
ALL
s
t2
Mid-parity crossing of received command word delay to
falling edge of INCMD
ALL
s
t3
Mid-parity crossing of received command word delay to
MSG_ERR and HS_FAIL rising
ALL
s
t4
ILLEGAL, SRV_RQST, SSFLAG, BUSY input access time from
SA4-SA0, L-BRO, T/R, and CWC/MC valid
ALL
ns
t5
L_BRO, T/R, SA4-0, and WC/MC4-0 valid prior to INCMD low.
ALL
500
ns
t6
ILLEGAL, SRV_RQST, SSFLAG, BUSY hold time following falling
edge of INCMD
ALL
300
ns
t7
Mid-parity crossing of first data word to WC/CWC valid data of 1Fh
ALL
s
t8
Duration of WC/CWC data value of 1Fh
ALL
ns
t9
RT Response time.
ALL
4
s
t10
CWC transition to next word following mid-parity of subsequent
received data words.
ALL
s
t11
Mid-parity crossing of last data word to DTREQ falling edge
(requesting data word burst write transfer)
ALL
4
s
t12
Mid-Sync crossing of Status response to RT_FAIL rising
ALL
s
t13
CWC valid following falling edge of DTREQ
ALL
ns
t14
GBR pulse width (see Note 1)
20 MHz
ns
REF
DESCRIPTION
CLOCK
FREQUENCY
RESPONSE TIME
UNITS
TABLE FOR FIGURE 4. RT RECEIVE COMMAND TIMING (BURST MODE)
t15
Mid-parity crossing of status word to INCMD rising
ALL
s
MIN
TYP
MAX
1.5
2
1.5
400
1
200
6.5
7
1
4.5
5.25
1.5
30
100
3
16 MHz
ns
125
12 MHz
ns
167
10 MHz
ns
200
(1)
If the RX message is a Broadcast message then the rising edge of INCMD is referenced from the rising edge of GBR.
1553 BUS
RX COMMAND
DATA #2
DATA #1
STATUS
L-BRO, T/R, SA4-SA0
WC/MC/CWC
INCMD
DTREQ
DTGRT
DTACK
GBR
MEMWR
MEMOE
D15-D0
RT_FAIL
MSG_ERR
HS_FAIL
MID-PARITY
MID-SYNC
BURST
DATA
WRITE
TRANSFER
t1
t11
t12
t6
t2
t15
t9
PREVIOUS MSG
cwc
ILLEGAL, SRV_RQST
SSFLAG, BUSY
VALID
t3
t5
t4
t8
WC / MC
CWC = 0
CWC = 1
RT RECEIVE COMMAND (BURST MODE)
1F
t7
t14
t13
t10
NOTE 1
: If the RX message is a Broadcast message then the rising edge of INCMD
is referenced from the rising edge of GBR.
(Refer to FIGURE 10)
FIGURE 4. RT RECEIVE COMMAND (BURST MODE) TIMING
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