CLKOUT
ALE
S2:0
AD15:0
[AD7:0]
[A15:8]
BHE
[RFSH = 1]
A19:16
NMI, INTx
NOTE: Previous bus cycle address value.
Figure 3-29. Exiting HALT (Powerdown Mode)
8 1/2 clocks to first vector fetch
Note
Time is determined by PDTMR
(4 1/2 clocks min.)
BUS INTERFACE UNIT
A1092-0A
3-35