Intel 8086 Computer Hardware User Manual


 
8086
WAVEFORMS (Continued)
MAXIMUM MODE (Continued)
231455–16
NOTES
1 All signals switch between V
OH
and V
OL
unless otherwise specified
2 RDY is sampled near the end of T
2
T
3
T
W
to determine if T
W
machines states are to be inserted
3 Cascade address is valid between first and second INTA cycle
4 Two INTA cycles run back-to-back The 8086 LOCAL ADDRDATA BUS is floating during both INTA cycles Control for
pointer address is shown for second INTA cycle
5 Signals at 8284A or 8288 are shown for reference only
6 The issuance of the 8288 command and control signals (MRDC
 MWTC AMWC IORC IOWC AIOWC INTA and DEN)
lags the active high 8288 CEN
7 All timing measurements are made at 15V unless otherwise noted
8 Status inactive in state just prior to T
4
23