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WM8721 Datasheet(PDF) 8 Page - Wolfson Microelectronics plc

Part # WM8721
Description  Internet Audio DAC with Integrated Headphone Driver
PDF  34 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8721 Datasheet(HTML) 8 Page - Wolfson Microelectronics plc

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WM8721
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WOLFSON MICROELECTRONICS LTD
PP Rev 1.3 November 2000
8
MPU INTERFACE TIMING
t
RSL
CSB
SCLK
SDIN
t
CSL
RESETB
t
DHO
t
DSU
t
CSH
t
SCY
t
SCH
t
SCL
t
RSD
t
SCS
LSB
t
CSS
Figure 4 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, MCLK =
256fs unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Program Register Input Information
RESETB rising edge to CSB
falling edge
tRSL
500
ns
SCLK rising edge to CSB rising
edge
tSCS
60
ns
RESETB rising edge to SDIN
edge
tRSD
20
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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