JA80386EXTC25 Datasheet, PDF (51/56 Pages) Intel Corporation – Intel386™ EX Embedded Microprocessor

Intel386™ EX Embedded Microprocessor
Figure 24. Basic External Bus Cycles
State
CLK2
CLKOUT
A25:1, BHE#
BLE#, D/C#
M/IO#
REFRESH#
W/R#
WR#
RD#
ADS#
NA#
READY#
LBA#
BS8#
LOCK#
D15:0
Cycle 1
Nonpipelined
External
(Write)
[Late Ready]
Cycle 2
Nonpipelined
External
(Read)
Idle
Cycle
Cycle 3
Nonpipelined
External
(Write)
[Late Ready]
Cycle 4
Nonpipelined
External
(Read)
T1 T2 T1 T2 Ti T1 T2 T1 T2
Valid 1
Valid 2
Valid 3
Valid 4
Valid 1
Out 1
Valid 2
In 2
Valid 3
Out 3
Valid 4
In 4
A2305-02
Datasheet
51