CS48DV2B Data Sheet
32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby
5.8 Switching Characteristics — Internal Clock
Parameter
Symbol
Min
Max
Unit
Internal DCLK frequency1
Internal DCLK period1
Fdclk
-
CS48DV2B-CQZ
Fxtal
CS48DV2B-DQZ
Fxtal
DCLKP
-
CS48DV2B-CQZ
6.7
CS48DV2B-DQZ
6.7
150
150
1/Fxtal
1/Fxtal
MHz
ns
1. After initial power-on reset, Fdclk = Fxtal. After initial kickstart commands, the PLL is locked to max Fdclk and remains locked until
the next power-on reset.
DRAFT
CONFIDENTDIEALLPHI
DS875F1
Copyright 2008 Cirrus Logic
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CONFIDENTIAL