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WM8945ECS/R Scheda tecnica(PDF) 19 Page - Wolfson Microelectronics plc

Il numero della parte WM8945ECS/R
Spiegazioni elettronici  Mono Low-Power CODEC with Video Buffer and Touch Panel Controller
PDF  169 Pages
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Produttore elettronici  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8945ECS/R Scheda tecnica(HTML) 19 Page - Wolfson Microelectronics plc

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Production Data
WM8945
w
PD, May 2011, Rev 4.1
19
CONTROL INTERFACE TIMING
Figure 5 Control Interface Timing – 2-wire (I2C) Control Mode
Test Conditions
DCVDD = 1.8V, DBVDD = LDOVDD = SPKVDD = 3.3V, LDOVOUT = 3.0V, GND = 0V,
TA = +25
oC, 1kHz signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
SCLK Frequency
400
kHz
SCLK Low Pulse-Width
t1
1300
ns
SCLK High Pulse-Width
t2
600
ns
Hold Time (Start Condition)
t3
600
ns
Setup Time (Start Condition)
t4
600
ns
Data Setup Time
t5
100
ns
SDA, SCLK Rise Time
t6
300
ns
SDA, SCLK Fall Time
t7
300
ns
Setup Time (Stop Condition)
t8
600
ns
Data Hold Time
t9
900
ns
Pulse width of spikes that will be suppressed
tps
0
5
ns



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