ep7309 Cirrus Logic, Inc., ep7309 Datasheet - Page 21

• Manufacturer Part Number: ep7309
• Description: Ep7309 Data Sheet
• Manufacturer: Cirrus Logic, Inc.

SSI2 Interface
DS507F1
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
S S IR X F R /
R X D A
T X D A
S S IT X F R
C L K
S S I
S S I
S S I
t
FR d
t
TXd
Parameter
t
D 7
D 7
TXv
t
t
R Xs
t
R Xh
clk_per
Figure 8. SSI2 Interface Timing Measurement
©
Copyright Cirrus Logic, Inc. 2005
t
FR a
(All Rights Reserved)
t
clkrf
t
FR _per
t
clk_high
D 2
D 2
High-Performance, Low-Power System on Chip
Symbol
t
t
t
t
clk_high
FR_per
clk_per
clk_low
t
t
t
t
t
t
t
clkrf
FRd
FRa
RXs
RXh
TXd
TXv
D 1
D 1
Min
185
925
925
960
960
3
3
3
-
-
-
t
clk_low
D 0
D 0
Max
2050
1025
1025
990
990
18
3
8
7
7
2
Unit
EP7309
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
21