CS43122-KS CIRRUS [Cirrus Logic], CS43122-KS Datasheet - Page 11

• Manufacturer Part Number: CS43122-KS
• Description: 122dB, 24-Bit, 192kHz DAC for Digital Audio
• Manufacturer: CIRRUS [Cirrus Logic]

SWITCHING CHARACTERISTICS - CONTROL PORT
(T
Notes: 9. t
SPI Mode
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
CCLK Falling to CDOUT valid
A
= 25° C; VD = 5.25 V to 3.0 Volts; Inputs: logic 0 = AGND, logic 1 = VD, C
10. Data must be held for sufficient time to bridge the transition time of CCLK.
11. For F
spi
CCLK
only needed before first falling edge of CS after RST rising edge. t
CDIN
RST
CS
SCK
< 1 MHz
Parameter
t srs
t spi
t r2
t css
Figure 3. SPI Control Port Timing
t scl
(Note 10)
(Note 11)
(Note 11)
t f2
t dsu t
(Note 9)
t sch
dh
Symbol
f
t
t
t
t
t
t
t
t
sclk
dsu
t
csh
sch
t
t
css
srs
spi
scl
dh
ov
r2
f2
L
= 30 pF)
Min
500
500
1.0
20
66
66
40
15
45
-
-
-
spi
= 0 at all other times.
t csh
Max
100
100
6
-
-
-
-
-
-
-
-
CS43122
MHz
Unit
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
11