WM8740SEDS/RV Ver la hoja de datos (PDF) - Wolfson Microelectronics plc
Número de pieza
componentes Descripción
Fabricante
WM8740SEDS/RV Datasheet PDF : 27 Pages
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WM8740
SCKI
tSCKIL
tSCKIH
tSCKY
Production Data
Figure 2 System Clock Timing Requirements
Test Conditions
AVDD, DVDD = 5V, AGND, DGND = 0V, TA = +25oC, fs = 48kHz, SCKI = 256fs unless otherwise stated.
PARAMETER
SYMBOL
System Clock Timing Information
System clock pulse width high
System clock pulse width low
System clock cycle time
tSCKIH
tSCKIL
tSCKY
TEST CONDITIONS
MIN
TYP
10
10
27
MAX
UNIT
ns
ns
ns
ML/I2S
MC/DM1
MD/DM0
tMCY
tMCH
tMCL
tMDS
tMDH
tMLL
tMHH
tMLD
tMLS
LSB
Figure 3 Program Register Input Timing – SPI Compatible Serial Control Mode
Test Conditions
AVDD, DVDD = 5V, AGND, DGND = 0V, TA = +25oC, fs = 48kHz, SCKI = 256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
Program Register Input Information
MC/DM1 pulse cycle time
tMCY
80
MC/DM1 pulse width low
tMCL
32
MD/DM0 pulse width high
tMCH
32
MD/DM0 set-up time
tMDS
10
MC/DM1 hold time
tMDH
10
ML/I2S pulse width low
tMLL
10
ML/I2S pulse width high
tMHH
10
ML/I2S set-up time
tMLS
10
ML/I2S delay from MC
tMLD
10
MAX
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
w
PD, Rev 4.4, April 2010
8
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