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WM8994ECS/R Datenblatt(PDF) 41 Page - Cirrus Logic

Teilenummer WM8994ECS/R
Bauteilbeschribung  Multi-channel Audio Hub CODEC for Smartphones
PDF  363 Pages
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Hersteller  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8994ECS/R Datenblatt(HTML) 41 Page - Cirrus Logic

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WM8994
Rev 4.6
41
4-WIRE (SPI) CONTROL MODE
CS
(input)
SCLK
(input)
SDA
(input)
tCSU
tSCH
tSCL
tSCY
tDHO
tDSU
tCHO
Figure 10 Control Interface Timing - 4-wire (SPI) Control Mode (Write Cycle)
SCLK
(input)
SDOUT
(output)
tDL
CS
(input)
Figure 11 Control Interface Timing - 4-wire (SPI) Control Mode (Read Cycle)
Test Conditions
The following timing information is valid across the full range of recommended operating conditions.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
CS
¯¯ falling edge to SCLK rising edge
tCSU
40
ns
SCLK falling edge to CS
¯¯ rising edge
tCHO
10
ns
SCLK pulse cycle time
tSCY
200
ns
SCLK pulse width low
tSCL
80
ns
SCLK pulse width high
tSCH
80
ns
SDA to SCLK set-up time
tDSU
40
ns
SDA to SCLK hold time
tDHO
10
ns
Pulse width of spikes that will be suppressed
tps
0
5
ns
SCLK falling edge to SDOUT transition
tDL
40
ns



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