Symbol
Parameter
Min
Typ
Max
Unit
t
ssu
WS valid to SCK high set-up
time
20
-
-
ns
t
sh
SCK high to WS invalid hold
time
2.5
-
-
ns
t
opd
SCK low to SD_OUT valid delay
time
-
-
20
ns
t
isu
SD_IN valid to SCK high set-up
time
20
-
-
ns
t
ih
SCK high to SD_IN invalid hold
time
2.5
-
-
ns
Table 9.10: I²S Slave Mode Timing
G-TW
-0000
231.2
.2
SD_OUT
SD_IN
t
t
t
t
t
t
WS(Input)
SCK(Input)
ch
opd
ih
sh
ssu
cl
isu
t
Figure 9.21: Digital Audio Interface Slave Timing
Advance Information
This material is subject to CSR's non-disclosure agreement
© Cambridge Silicon Radio Limited 2011
Page 58 of 110
CS-209182-DSP1
CSR8640 BGA
Data Sheet
