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鍨嬭櫉锛� CS42L51-CNZ
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DS679F1
23
CS42L51
SWITCHING CHARACTERISTICS - SPI CONTROL PORT
(Inputs: Logic 0 = DGND, Logic 1 = VL)
20. Data must be held for sufficient time to bridge the transition time of CCLK.
21. For fsck <1 MHz.
Parameter
Symbol
Min
Max
Units
CCLK Clock Frequency
fsck
06.0
MHz
RESET Rising Edge to CS Falling
tsrs
20
-
ns
CS Falling to CCLK Edge
tcss
20
-
ns
CS High Time Between Transmissions
tcsh
1.0
-
s
CCLK Low Time
tscl
66
-
ns
CCLK High Time
tsch
66
-
ns
CDIN to CCLK Rising Setup Time
tdsu
40
-
ns
CCLK Rising to DATA Hold Time
tdh
15
-
ns
Rise Time of CCLK and CDIN
tr2
-100
ns
Fall Time of CCLK and CDIN
tf2
-100
ns
CS
CCLK
CDIN
RST
t
srs
t
scl
t
sch
t
css
t
r2
t
f2
t
csh
t
dsu
t
dh
Figure 7. Control Port Timing - SPI Format
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