EP7309_05 Datasheet, PDF (21/51 Pages) Cirrus Logic – High-performance, Low-power, System-on-chip with Enhanced Digital Audio Interface

SSI2 Interface
Parameter
SSICLK period (slave mode)
SSICLK high time
SSICLK low time
SSICLK rise/fall time
SSICLK rising edge to RX and/or TX frame sync high time
SSICLK rising edge to RX and/or TX frame sync low time
SSIRXFR and/or SSITXFR period
SSIRXDA setup to SSICLK falling edge time
SSIRXDA hold from SSICLK falling edge time
SSICLK rising edge to SSITXDA data valid delay time
SSITXDA valid time
EP7309
High-Performance, Low-Power System on Chip
Symbol
t_{clk_per}
t_{clk_high}
t_{clk_low}
t_clkrf
t_FRd
t_FRa
t_{FR_per}
t_RXs
t_RXh
t_TXd
t_TXv
Min
185
925
925
3
-
-
960
3
3
-
960
Max
2050
1025
1025
18
3
8
990
7
7
2
990
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SSI
CLK
t
FRd
S S IR X F R /
SSITXFR
SSI
RXDA
t_TXd
SSI
TXDA
t_{clk_per}
t_clkrf
t_FRa
t_RXh
t_RXs
D7
t_{clk_high}
t_{FR_per}
t_{clk_low}
D2
D1
D0
D7
D2
D1
D0
t_TXv
Figure 8. SSI2 Interface Timing Measurement
DS507F1
©Copyright Cirrus Logic, Inc. 2005
(All Rights Reserved)
21