BCM43455 Preliminary Data Sheet
I2S Interface
Note: The time periods specified in Figure 18 and Figure 19 are defined by the transmitter speed. The
receiver specifications must match transmitter performance.
2
Figure 18: I S Transmitter Timing
T
tRC
*
tLC > 0.35T
tHC > 0.35T
V
H = 2.0V
SCK
VL = 0.8V
thtr > 0
totr < 0.8T
SD and WS
T = Clock period
Ttr = Minimum allowed clock period for transmitter
T = Ttr
* tRC is only relevant for transmitters in slave mode.
2
Figure 19: I S Receiver Timing
T
tLC > 0.35T
tHC > 0.35
VH = 2.0V
VL = 0.8V
SCK
tsr > 0.2T
thr > 0
SD and WS
T = Clock period
Tr = Minimum allowed clock period for transmitter
T > Tr
Broadcom®
November 5, 2015 • 43455-DS109-R
Page 59
BROADCOM CONFIDENTIAL
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