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WM8731SEDS/R 数据表(PDF) 18 Page - Wolfson Microelectronics plc

部件名 WM8731SEDS/R
功能描述  Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates
PDF  63 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8731SEDS/R 数据表(HTML) 18 Page - Wolfson Microelectronics plc

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WM8731 / WM8731L
Production Data
w
PD Rev 4.3 August 2006
18
MPU INTERFACE TIMING
CSB
SCLK
SDIN
t
CSL
t
DHO
t
DSU
t
CSH
t
SCY
t
SCH
t
SCL
t
SCS
LSB
t
CSS
Figure 7 Program Register Input Timing - 3-Wire MPU Serial Control Mode
Test Conditions
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25
oC, Slave Mode, fs = 48kHz, XTI/MCLK =
256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Program Register Input Information
SCLK rising edge to CSB rising
edge
tSCS
60
ns
SCLK pulse cycle time
tSCY
80
ns
SCLK pulse width low
tSCL
20
ns
SCLK pulse width high
tSCH
20
ns
SDIN to SCLK set-up time
tDSU
20
ns
SCLK to SDIN hold time
tDHO
20
ns
CSB pulse width low
tCSL
20
ns
CSB pulse width high
tCSH
20
ns
CSB rising to SCLK rising
tCSS
20
ns



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