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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