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| XC228X Datasheet, PDF (102/110 Pages) Infineon Technologies AG – 16/32-Bit Single-Chip Microcontroller with 32-Bit Performance | |||
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Preliminary
XC2287 / XC2286 / XC2285
XC2000 Family Derivatives
Electrical Parameters
CLKOUT
RD, WR
D15-D0
(read)
D15-D0
(write)
READY
Synchronous
READY
Asynchron.
tpD
tp E
tpRDY
tpF
tc10
tc 20
tc31
tc 30
Data In
tc 25
Data Out
tc31
tc31
tc 30
tc30
Not Rdy READY
tc 31
tc30
tc31
tc 30
Not Rdy READY
MCT05559
Figure 22 READY Timing
Note: If the READY input is sampled inactive at the indicated sampling point (âNot Rdyâ)
a READY-controlled waitstate is inserted (tpRDY),
sampling the READY input active at the indicated sampling point (âReadyâ)
terminates the currently running bus cycle.
Note the different sampling points for synchronous and asynchronous READY.
This example uses one mandatory waitstate (see tpE) before the READY input is
evaluated.
Data Sheet
100
V0.91, 2007-02
Draft Version
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