CS61880-IQZ Cirrus Logic Inc, CS61880-IQZ Datasheet - Page 60

• Manufacturer Part Number: CS61880-IQZ
• Description: IC Octal E1 Line Interface Unit
• Manufacturer: Cirrus Logic Inc

19.10 Switching Characteristics - Serial Port
Notes: 21. If SPOL = 0, then CS should return high no sooner than 20 ns after the 16
60
SDI to SCLK Setup Time
SCLK to SDI Hold Time
SCLK Low Time
SCLK High Time
SCLK Rise and Fall Time
CS to SCLK Setup Time
SCLK to CS Hold Time
CS Inactive Time
SDO Valid to SCLK
CS to SDO High Z
SCLK
CLKE=0
CLKE=1
SDI
CS
SCLK
SDO
SDO
SDI
CS
a serial port read.
t
dc
Parameter
t
cc
LSB
LAST ADDR BIT
t
ch
Figure 24. Serial Port Write Timing Diagram
Figure 23. Serial Port Read Timing Diagram
t
cdv
t
cl
Note
Note
21
21
D0
Symbol
t
t
cdh
D0
t
cdv
t
t
t
t
t
t
cwh
t
cdh
r
t
cch
cdv
cdz
t
LSB
dc
ch
, t
cc
cl
f
D1
D1
t
cdh
Min.
-
-
-
-
-
-
-
-
-
-
D6
D6
Typ.
20
20
50
50
15
20
20
70
60
50
th
MSB
rising edge of SCLK during
D7
D7
t
cch
Max
-
-
-
-
-
-
-
-
-
-
CS61880
t
cwh
HIGH Z
t
cdz
DS450PP3
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns