WM8771EFT 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8771EFT Datasheet PDF : 43 Pages
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MPU INTERFACE TIMING
RESETB
tRCSU tRCHO
CE
CL
tSCY
tSCH
tSCL
WM8771
tCSL
tCSH
tCSS
tSCS
DI
LSB
tDSU
tDHO
Figure 6 SPI compatible Control Interface Input Timing
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND = 0V, DGND = 0V, TA = +25oC, fs = 48kHz, MCLK = 256fs unless otherwise stated
PARAMETER
CE to RESETB hold time
RESETB to CL setup time
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
tRCSU
tRCHO
tSCS
tSCY
tSCL
tSCH
tDSU
tDHO
tCSL
tCSH
tCSS
MIN
20
20
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
ns
ns
w
PP Rev 2.2 December 2002
11
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