Intel 80C186EA User Manual page 113

BUS INTERFACE UNIT
CLKOUT
ALE
S2:0
AD15:0
[AD7:0]
[A15:8]
A19:16
BHE
RFSH
NOTES:
1. Previous bus cycle value.
2. Only occurs for BHE on the first refresh bus cycle after entering HALT.
3. BHE = 1 for 16-bit device, RFSH = 0 for 8-bit device.
Figure 3-27. Returning to HALT After a Refresh Bus Cycle
3-32
Addr
Note 1
Note 1 Addr
Note 2
Address
A19 = 1, A18:16 = 0
Note 3
A1051-0A