Intel 80C188EC User Manual page 118

CLKOUT
ALE
S2:0
AD15:0
[AD7:0]
[A15:8]
A19:16
Note 1
BHE
Note 2
RFSH
NOTE:
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
Addr
Address
Note 1
Addr A19 = 1, A18:16 = 0
BUS INTERFACE UNIT
Note 3
A1091-0A
3-33