CS47014-CVZR CIRRUS [Cirrus Logic], CS47014-CVZR Datasheet - Page 24

• Manufacturer Part Number: CS47014-CVZR
• Description: High Definition Audio Decoder DSP Family with Dual 32-bit DSP Engine Technology
• Manufacturer: CIRRUS [Cirrus Logic]

CS4970x4 Data Sheet
32-bit High Definition Audio Decoder DSP Family
5.19 Switching Characteristics — SDRAM Interface
(SD_CLKOUT = SD_CLKIN)
24
SD_CLKIN high time
SD_CLKIN low time
SD_CLKOUT rise/fall time
SD_CLKOUT Frequency
SD_CLKOUT duty cycle
SD_CLKOUT rising edge to signal valid
Signal hold from SD_CLKOUT rising edge
SD_CLKOUT rising edge to SD_DQMn valid
SD_DQMn hold from SD_CLKOUT rising edge
SD_DATA valid setup to SD_CLKIN rising edge
SD_DATA valid hold to SD_CLKIN rising edge
SD_CLKOUT rising edge to ADDRn valid
Refer to
DAOn_DATAn
DAO_LRCLK
DAO_SCLK
Figure 15
Figure 14. Digital Audio Output Timing, Slave Mode (Relationship LRCLK to SCLK)
Note: In these diagrams, Falling edge is the inactive edge of DAO_SCLK
Parameter
through
Figure
t
daosstlr
18.
t
daosclk
Copyright 2009 Cirrus Logic
Symbol
t
t
t
t
t
sdcmdv
sdcmdh
t
t
t
sdclkrf
sdclkh
t
t
sdclkl
sddqv
sddqh
sddsu
sddh
sdav
-
DAO_LRCLK
DAO_SCLK
Min
1.38
1.38
2.3
2.3
1.3
45
-
-
-
-
Typical
150
1.1
3.8
3.8
t
daoslrts
t
daosclk
Max
3.8
55
1
-
-
-
-
-
-
-
-
t
daosdv
MHz
Unit
DS752PP8
ns
ns
ns
%
ns
ns
ns
ns
ns
ns
ns