JA80386EXTC25 Datasheet, PDF (54/56 Pages) Intel Corporation – Intel386™ EX Embedded Microprocessor

Intel386™ EX Embedded Microprocessor
Figure 27. Basic Refresh Cycle
CLK2
Idle
Cycle 1
Idle
Nonpipelined
External
(Read)
Cycle 2
Refresh
Ti T1 T2 Ti T1 T2 T2
Idle
Ti
Ti
Cycle 3
Nonpipelined
External
(Write)
[Late Ready]
T1 T2
CLKOUT
UCS#, CS6:0#,
BHE#, BLE#
M/IO#, D/C#
A25:1
Valid 1
Valid 1
Valid 2
Valid 3
Valid 3
REFRESH#
W/R#
WR#
RD#
ADS#
NA#
READY#
LBA#
LOCK#
D15:0
Valid 1
In
Float
Valid 2
Out
HOLD
HLDA
A2491-02
54
Datasheet