SPRS079E – OCTOBER 1998 – REVISED AUGUST 2000
48
POST OFFICE BOX 1443
•
HOUSTON, TEXAS 77251–1443
ready timing for externally generated wait states (continued)
IOSTRB
MSC
READY
D[15:0]
A[19:0]
CLKOUT
th(RDY)
Wait State Generated
by READY
Wait States
Generated
Internally
tv(RDY)IOSTRB
tsu(RDY)
tv(MSCH)
tv(MSCL)
th(RDY)IOSTRB
NOTE A: A[19:16] are always driven low during accesses to I/O space.
Figure 20. I/O Write With Externally Generated Wait States