CS47048 Data Sheet

Audio SOC Processor Family

DS787A7

Copyright 2008 Cirrus Logic

15

5.6 Digital Switching Characteristics— RESET

5.7 Digital Switching Characteristics — XTI

Parameter

Symbol

Min

Max

Unit

RESET minimum pulse width low

1-

μs

All bidirectional pins high-Z after RESET low

-100

ns

Configuration pins setup before RESET high

50

-

ns

Configuration pins hold after RESET high

20

-

ns

Parameter

Symbol

Min

Max

Unit

1. Part characterized with the following crystal frequency values: 11.2896, 12.288, 18.432, 24.576, & 27 MH.z

11.2896

27

MHz

XTI period

37

89

ns

XTI high time

13.3

-

ns

XTI low time

13.3

-

ns

this range should be avoided. The crystal oscillator circuit design should follow the crystal manufacturer’s

recommendation for load capacitor selection.

10

18

pF

External Crystal Equivalent Series Resistance

ESR

50

Ω

RESET

HS[3:0]

All Bidirectional

Pins

XTI