WM8739 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8739 Datasheet PDF : 35 Pages
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WM8739 / WM8739L
MPU INTERFACE TIMING
CSB
SCLK
tCSL
tSCY
tSCH
tSCL
Advanced Information
tCSH
tSCS
tCSS
SDIN
tDSU
tDHO
LSB
Figure 6 Program Register Input Timing – 3-Wire MPU Serial Control Mode
Test Conditions
AVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 3.3V, DGND = 0V, TA = +25oC, Slave Mode, fs = 48kHz, XTI/MCLK = 256fs
unless otherwise stated.
PARAMETER
SYMBOL
Program Register Input Information
SCLK rising edge to CSB rising
tSCS
edge
SCLK pulse cycle time
tSCY
SCLK pulse width low
tSCL
SCLK pulse width high
tSCH
SDIN to SCLK set-up time
tDSU
SCLK to SDIN hold time
tDHO
CSB pulse width low
tCSL
CSB pulse width high
tCSH
CSB rising to SCLK rising
tCSS
TEST CONDITIONS
MIN
500
80
20
20
20
20
20
20
20
TYP
MAX
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
t3
t
5
t3
SDIN
t4
t6
t2
t8
SCLK
t1
t7
t9
Figure 7 Program Register Input Timing – 2-Wire MPU Serial Control Mode
AI Rev 2.2 September 2001
9
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