SMC Networks SMC91C95 User Manual
Page 129
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129
FIGURE 38 - MEMORY READ TIMING
FIGURE 39 - MEMORY WRITE TIMING
ADDRESS
POINTER
REGISTER
DATA
REGISTER
nIOWR
nIORD
IOCHRDY/
nWAIT (Z)
t44
t44
Pointer Register Reloaded to a Word of Data
Prefetched into Data Register
Parameter
min
typ
max
units
ns
2 * t20
Note: If t44 is not met, IOCHRDY will be negated for the required time. This parameter can be ignored if
IOCHRDY is connected to the system.
ADDRESS
DATA
REGISTER
POINTER
REGISTER
nIOWR
t45
t45
Last Access to Data Register to Pointer
Reloaded
Parameter
min
typ
max
units
ns
2 * t20
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