18
18-13
Rev.1.0
WAIT CONTROLLER
18.3 Typical Operation of the Wait Controller
Figure 18.3.6 Read/Write Timing (for Access with 4 Internal and 1 External Wait Cycles)
Note : Circles
above indicate points at which signals are sampled.
"H"
(Don't Care)
"H"
(Don't Care)
"H"
4 internal wait cycles
Read (6 cycles)
BCLK
A12 - A30
CS0, CS1, CS2, CS3
BHW, BLW
DB0 - DB15
WAIT
RD
Read
Write (6 cycles)
BCLK
A12 - A30
CS0, CS1, CS2, CS3
BHW, BLW
DB0 - DB15
WAIT
RD
Write
4 internal wait cycles
"L"
1 external
wait cycle
1 external
wait cycle