XC2285 データシートの表示（PDF） - Infineon Technologies

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XC2285

16/32-Bit Single-Chip Microcontroller with 32-Bit Performance

Infineon Technologies 

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 (“Not Rdy”)

a READY-controlled waitstate is inserted (tpRDY),

sampling the READY input active at the indicated sampling point (“Ready”)

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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