BCM43455 Datasheet, PDF (60/159 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 and FM Receiver

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.
Figure 18: I²S Transmitter Timing
SCK
T
tRC*
thtr > 0
totr < 0.8T
tLC > 0.35T
tHC > 0.35T
VH = 2.0V
VL = 0.8V
SD and WS
T = Clock period
T_tr = Minimum allowed clock period for transmitter
T = Ttr
* tRC is only relevant for transmitters in slave mode.
Figure 19: I²S Receiver Timing
T
t_LC > 0.35T
SCK
t_HC > 0.35
SD and WS
t_sr > 0.2T
t_hr > 0
V_H = 2.0V
V_L = 0.8V
T = Clock period
T_r = Minimum allowed clock period for transmitter
T > T_r
Broadcom^®
November 5, 2015 • 43455-DS109-R
BROADCOM CONFIDENTIAL
Page 59