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SMP7500 Theory of Operation
57
USER CONNECTOR
DATA
GND_CLK
GLOBAL
CLK
Off To All Other Ports
47K
User Selectable
HW Jumpers
120
100pf
2
2
Output
Drivers
Over
Current
Sense /
Control
Over Current Sense
Shut Down
ISENSE
Double
Buffered
Latched
Output
Data
Buffer
R/B
Control
Writes to
Specific Port
Addresses
Control
Control
Relay Req. 000Ch Write Event
WR EVENT
R/B
I/O Data
Buffer
Data
Control
SMIP INTERFACE
MODULE
DATA
ADDRESS
CONTROL
BUSYN
TTL
TRIGGER
BUS
0-7
DATA
ADDRESS
CONTROL
VXI
BA
CKP
L
ANE
SMP7500 MODULE
Over Current
Reset
Control
Trace
Memory
Backplane Load
F
IGURE
5-1:
W
RITE
M
ODE
B
UFFER
C
ONFIGURATION
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