Cirrus-logic CS61584A Manuel d'utilisateur télécharger pdf (Page 3)

CS61584A

TB261PP1 3

PLCC pin TQFP pin CS61584 CS61584A

Hardware Mode

7 63 RLOOP RLOOP1

6 62 LLOOP1 RLOOP2

5 61 LLOOP2 LLOOP

Host Mode - Parallel Port

44 33 IPOL IPOL/DTACK

Host Mode - Serial Port

24 15 N/C ZTX1

45 34 N/C ZTX2

Table 1. Pinout Differences Between CS61584, CS61584A

Parameter Symbol CS61584 (ns) CS61584A (ns)

Setup Time

20 50

setup for RAM/ROM

csr

-130

Hold Time

020

Write Data Hold Time

dhw

Delay Time AS or ALE to WR

, RD

ased

20 40

DTACK

Delay Time

dkd

-5

DTACK

Hold Time

dkh

-5

AS/ALE Min Low for RAM/ROM

aamir

-50

Table 2. Timing Differences Between CS61584, CS61584A

1 2 3 4

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Cirrus-logic CS61584A Manuel d'utilisateur Page 3