cs4365 Cirrus Logic, Inc., cs4365 Datasheet - Page 18

• Manufacturer Part Number: cs4365
• Description: 114 Db, 192 Khz 6-channel D/a Converter
• Manufacturer: Cirrus Logic, Inc.

18
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT
Inputs: Logic 0 = GND, Logic 1 = VLC, C
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
18. t
19. Data must be held for sufficient time to bridge the transition time of CCLK.
20. For F
spi
is only needed before first falling edge of CS after RST rising edge. t
CCLK
CDIN
SCK
RST
CS
< 1 MHz.
Parameter
t srs
t spi
Figure 5. Control Port Timing - SPI Format
t r2
t css
L
= 20 pF.
t scl
(Note 18)
(Note 19)
(Note 20)
(Note 20)
t f2
t dsu t
t sch
dh
Symbol
f
t
t
t
t
t
t
t
sclk
t
csh
css
sch
dsu
t
t
srs
spi
scl
dh
r2
f2
Min
500
500
1.0
20
66
66
40
15
-
-
-
spi
= 0 at all other times.
t csh
Max
100
100
6
-
-
-
-
-
-
-
-
CS4365
DS670F2
Unit
MHz
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns