cs4228a Cirrus Logic, Inc., cs4228a Datasheet - Page 10

• Manufacturer Part Number: cs4228a
• Description: 24-bit, 96 Khz Surround Sound Codec
• Manufacturer: Cirrus Logic, Inc.

SWITCHING CHARACTERISTICS - CONTROL PORT
Notes: 18. Data must be held for sufficient time to bridge the transition time of CCLK.
10
SPI Mode (SDOUT > 47 kΩ to GND)
CCLK Clock Frequency
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
19. For F
SCK
< 1 MHz
Parameter
C S
C C L K
C D IN
t r2
t css
Figure 3. SPI Control Port Timing
t scl
t f2
t dsu
(Note 18)
(Note 19)
(Note 19)
t s ch
t dh
Symbol
f
t
t
t
t
t
t
dsu
sck
csh
css
sch
t
t
scl
dh
r2
f2
(Inputs: Logic 0 = 0V, Logic 1 = VL)
t csh
Min
1.0
20
66
66
40
15
-
Max
100
30
6
CS4228A
Units
MHz
µs
ns
ns
ns
ns
ns
ns
ns