CS61884-IQZ Cirrus Logic Inc, CS61884-IQZ Datasheet - Page 61
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CS61884-IQZ
Manufacturer Part Number
CS61884-IQZ
Description
IC,PCM TRANSCEIVER,OCTAL,CEPT PCM-30/E-1,QFP,144PIN,PLASTIC
Manufacturer
Cirrus Logic Inc
Specifications of CS61884-IQZ
Rohs Compliant
YES
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19.10 Switching Characteristics - Serial Port
Notes: 23. If SPOL = 0, then CS should return high no sooner than 20 ns after the 16
DS485F1
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 25. Serial Port Write Timing Diagram
Figure 24. Serial Port Read Timing Diagram
t
cdv
t
cl
Note
Note
23
23
D0
Symbol
t
cdh
t
D0
t
cdv
t
t
t
t
t
t
t
cwh
cdh
r
t
t
cch
cdv
cdz
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
-
-
-
-
-
-
-
-
-
-
CS61884
t
cwh
HIGH Z
t
cdz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
61