CS4811MXR-01 Ver la hoja de datos (PDF) - Cirrus Logic
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CS4811MXR-01 Datasheet PDF : 24 Pages
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CS4811
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI MASTER (TA = 25° C,
VA, VD = 5 V; Inputs: logic 0 = DGND, logic 1 = VD, CL = 30 pF)
Parameter
Symbol
Min
Typ
Max
Units
SPI Master (Self-Boot) Mode (SPI/I2C = 0, SCPM/S = 1)
CCLK Clock Frequency
fsck
CCLK Low Time
tscl
CCLK High Time
tsch
CCLK Rise Time
(Note 10)
tr2
CCLK Fall Time
(Note 10)
tf2
RST rising to CS falling
tsrs
CS High Time Between Transmissions
tcsh
CS Falling to CCLK Edge
tcss
CS Falling to CDOUT valid
tdv
CCLK Falling to CDOUT valid
tpd
CDIN to CCLK Rising Setup Time
tdsu
CCLK Rising to DATA Hold Time
tdh
CCLK Falling to CS rising
tclcs
-
Fs
-
kHz
-
1/(2*Fs)
-
ns
-
1/(2*Fs)
-
ns
-
12
-
ns
-
12
-
ns
-
42
-
µs
37
-
-
µs
5
-
-
µs
-
-
50
ns
-
-
100
ns
80
-
-
ns
80
-
-
ns
40
-
-
ns
Notes: 10. Measured with a 2.2 kΩ pullup resistor to VD.
RST
t srs
CS
CCLK
CDIN
CDOUT
t css
t scl t sch
t r2
t f2
t dsu t dh
t clcs
t csh
t dv
t pd
Figure 1. SPI Control Port Timing
DS486PP2
7
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