ZR36057PQC Просмотр технического описания (PDF) - Zoran Corporation

Номер в каталоге

Компоненты Описание

Список матч

ZR36057PQC

ENHANCED PCI BUS MULTIMEDIA CONTROLLER

Zoran Corporation 

Enhanced PCI Bus Multimedia Controller

14.3 GuestBus Timing

Table 19: GuestBus Interface Timing

Symbol

Parameter

Min

tCARW

GCSn / GADR2..0 setup

16

tRWCA

GCSn / GADR2..0 hold

16

tRWDUR

GWR / GRD low

90

tRWREC

GWR / GRD high

90

tPD

Propagation delay. PCICLK to output signal

1

tGDH

Write data hold. GWR / GRD to data float

tGRS

Read data setup

11

tGRH

Read data hold

0

tGIRQ

GIRQ1..0 high / low

2 * tPCI

tGWS

tGWL

Wait state setup. GWS to GWR/GRD

Wait state low [1]

(tDUR -1) * tPCP -tPD -

tGRS

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.

Max

16

16

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 ZR36057

tGRS

tGRH

Data Valid from Guest n

Wait-State Timing

GRD/GWR

GWS

tDUR

tRWDUR

tGWS

tGWL

tGWH

Figure 13. GuestBus Timing

39

Share Link: