cs4382 Cirrus Logic, Inc., cs4382 Datasheet - Page 12

• Manufacturer Part Number: cs4382
• Description: 114 Db, 192 Khz 8-channel D/a Converter
• Manufacturer: Cirrus Logic, Inc.

12
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI
(For KQZ T
Notes:
CCLK Clock Frequency
RST Rising Edge to CS Falling
CCLK Edge to CS Falling
CS High Time Between Transmissions
CS Falling to CCLK Edge
CCLK Low Time
CCLK High Time
CDIN to CCLK Rising Setup Time
CCLK Rising to DATA Hold Time
Rise Time of CCLK and CDIN
Fall Time of CCLK and CDIN
22. t
23. Data must be held for sufficient time to bridge the transition time of CCLK.
24. For F
A
spi
= -10°C to +70°C; VLC = 1.8 V to 5.5 V; Inputs: Logic 0 = GND, Logic 1 = VLC, C
only needed before first falling edge of CS after RST rising edge. t
SCK
< 1 MHz.
CCLK
Parameter
CDIN
RST
CS
Figure 4. Control Port Timing - SPI Format
t srs
t spi
t r2
t css
(Note 22)
(Note 23)
(Note 24)
(Note 24)
t scl
t f2
t dsu t
t sch
Symbol
dh
f
t
t
t
t
t
t
t
sclk
t
csh
css
sch
dsu
t
t
srs
spi
scl
dh
r2
f2
---------------- -
MCLK
---------------- -
MCLK
Min
500
500
1.0
20
40
15
-
1
1
-
-
spi
= 0 at all other times.
™
FORMAT
t csh
L
= 30 pF)
MCLK
---------------- -
Max
100
100
2
-
-
-
-
-
-
-
-
CS4382
DS514F2
Unit
MHz
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns