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CS4970X4 Datasheet(PDF) 18 Page - Cirrus Logic

Part No. CS4970X4
Description  32-bit High Definition Audio Decoder DSP Family
Download  36 Pages
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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CS4970X4 Datasheet(HTML) 18 Page - Cirrus Logic

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Copyright 2008 Cirrus Logic
DS752PP7
CS4970x4 Data Sheet
32-bit High Definition Audio Decoder DSP Family
Figure 7. Parallel Control Port - Intel Mode Read Cycle
Figure 8. Parallel Control Port - Intel Mode Write Cycle
1.The system designer should be aware that the actual maximum speed of the communication port may be limited by the
firmware application. Hardware handshaking on the PCP_BSY# pin/bit should be observed to prevent overflowing the
input data buffer. CS4970x4 System Designer’s Guide should be consulted for the firmware speed limitations.
P CP_ A [3 :0 ]
PC P_ D [7 :0 ]
t ias
t icdr
t iah
t idd
t irpw
t idhr
t idis
t ird
t irdtw
PC P_ C S #
PC P _ W R #
PC P _ R D #
PC P _ IR Q #
tirdirqh
LS P
MS P
t ias
t icdw
t iah
t iw pw
t idhw
t iw d
t iwtrd
t idsu
tiwrbsyl
P C P _ D [7 :0 ]
PC P_ C S #
PC P_ W R #
P C P _ RD#
PC P _ A[3 :0 ]
PC P _ BSY#
LS P
M S P


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