1575PCI Ver la hoja de datos (PDF) - Holt Integrated Circuits
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1575PCI Datasheet PDF : 12 Pages
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HI-1575
TIMING DIAGRAMS
BIT PERIOD
BIT PERIOD
BIT PERIOD
BUSA - BUSA
(BUSB - BUSB)
BUSA - BUSA
(BUSB - BUSB)
BUSA - BUSA
(BUSB - BUSB)
t R1
t R1
COMMAND SYNC
t R1
t R1
DATA SYNC
t R3
t R2
t R2
ONE
t R3
t R2
ZERO
ONE
FIGURE 8. MIL-STD-1553 BUS RECEIVER TIMING
MID-SYNC
1553
BUS
RCVA(B)
ERROR
STRB
MID-SYNC
MID-PARITY
MID-PARITY MID-SYNC
MID-PARITY
COMMAND
tFH
DATA
tFH
WORD WITH ERROR
tFH
tFR
tFR
tRF
tRF
(Read RXA)
(Read RXA)
FIGURE 9. HI-1575 RECEIVER TIMING
tFR
tRF
(Read SAM)
REG
tRWS
STRB
D15:0
SYNC
CHA/CHB
tDWS
tCHWS
VALID
tSTR
tRWH
VALID
tDWH
tCHWH
R/W
tRWWS
tRWWH
Figure 10. DATABUS TIMING - WRITE.
REG
tRRS
STRB
VALID
tSTR
tRRH
tDRV
tDRT
D15:0
SYNC
CHA/CHB
tCHRS
VALID
tCHRH
R/W
tRWRS
tRWRH
Figure 11. DATABUS TIMING - READ
HOLT INTEGRATED CIRCUITS
7
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