ZR36067 データシートの表示（PDF） - Unspecified

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ZR36067

AV PCI CONTROLLER

Unspecified 

AV PCI CONTROLLER

15.3 GuestBus Timing

Table 21: GuestBus Interface Timing

Symbol

tCARW

tRWCA

tRWDUR

Parameter

GCSn / GADR2..0 setup

GCSn / GADR2..0 hold

GWR / GRD low

Min

Max

16

16

90

tRWREC

tPD

tGDH

tGRS

tGRH

tGIRQ

tGWS

GWR / GRD high

Propagation delay, PCICLK to output signal

Write data hold, GWR / GRD to data float

Read data setup

Read data hold

GIRQ1..0 high / low

Wait state setup, GWS delay after GWR/GRD

90

1

tPCI - 16

11

0

2 * tPCI

tGWL

Wait state low [1]

tPCI

tGWH

Wait state hold, GWS to GWR/GRD

tPCP + tPD + tGRS

1. For each period of tPCI the duration of the transfer will be extended for one PCI clock period.

16

tPCI + 16

(tDUR -1) * tPCP

- tPD - tGRS

Unit

ns

ns

ns Determined by parameter Tdur

and signal GWS

ns Determined by parameter Trec

ns Typical output load 70 pF

ns Typical output load 70 pF

ns

ns

ns

ns

ns

ns

PCICLK

GCSn

1

2

3

4

5

6

7

8

9

10

11

12

13

tPD

GADR[2:0]

GWR

GRD

tCAR

tRWDUR

tRWC

tRWREC

tCAR

tRWDU

tRWC

GWS

GDAT[7:0]

tGDH

Data Valid from ZR36067

tGRS

tGRH

Data Valid from Guest n

Wait-State Timing

GRD/GWR

GWS

tRWDUR

tGWS

tGWL

tGWH

Figure 13. GuestBus Timing

39

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