WM8778SEDS(2004) 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8778SEDS Datasheet PDF : 50 Pages
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3-WIRE MPU INTERFACE TIMING
CE
tSCY
tSCH
tSCL
CL
WM8778
tCSL
tCSH
tCSS
tSCS
DI
LSB
tDSU
tDHO
Figure 6 SPI Compatible (3-wire) Control Interface Input Timing (MODE=1)
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND, DGND = 0V, TA = +25oC, fs = 48kHz, MCLK = 256fs unless otherwise stated
PARAMETER
CL rising edge to CE rising edge
CL pulse cycle time
CL pulse width low
CL pulse width high
DI to CL set-up time
CL to DI hold time
CE pulse width low
CE pulse width high
CE rising to CL rising
SYMBOL
tSCS
tSCY
tSCL
tSCH
tDSU
tDHO
tCSL
tCSH
tCSS
MIN
60
80
30
30
20
20
20
20
20
Table 4 3-wire SPI Compatible Control Interface Input Timing Information
TYP
MAX
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
w
PP Rev 1.7 June 2004
11
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