Intel 386 - Manual (Page 143)

Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL
6-30
Figure 6-12. Refresh Cycle During HOLD/HLDA
A2493-02
D15:0
HOLD
CLK2
BHE#, BLE#
M/IO#, D/C#
Floating Floating
RD#
READY#
Ti Th Th Th Ti T1 T2 Ti Ti Th
HOLD
Acknowledge
Cycle 1
Refresh
CLKOUT
Idle Idle Idle
Th
ADS#
NA#
REFRESH#
W/R#
WR#
LBA#
LOCK#
HOLD
Acknowledge
A25:1
HLDA
Floating
Due to refresh pending.
Floating Floating
Floating Floating
Floating Floating
Valid 1