ep7312 Cirrus Logic, Inc., ep7312 Datasheet - Page 27

• Manufacturer Part Number: ep7312
• Description: High-performance, Low-power, System-on-chip With Sdram & Enhanced Digital Audio Interface
• Manufacturer: Cirrus Logic, Inc.

SSI2 Interface
DS508F1
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
SSIRXFR/
RXDA
TXDA
SSITXFR
CLK
SSI
SSI
SSI
t
FRd
t
TXd
Parameter
t
D7
D7
TXv
t
t
RXs
t
RXh
clk_per
Figure 12. SSI2 Interface Timing Measurement
©
Copyright Cirrus Logic, Inc. 2005
t
FRa
(All Rights Reserved)
t
clkrf
t
FR_per
t
clk_high
D2
D2
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
D1
D1
Min
185
925
925
960
960
3
3
3
-
-
-
t
clk_low
D0
D0
Max
2050
1025
1025
990
990
18
3
8
7
7
2
Unit
EP7312
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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