XWM8721EDS(2000) Ver la hoja de datos (PDF) - Wolfson Microelectronics plc
Número de pieza
componentes Descripción
Fabricante
XWM8721EDS
(Rev.:2000)
(Rev.:2000)
Wolfson Microelectronics plc
XWM8721EDS Datasheet PDF : 34 Pages
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WM8721
MPU INTERFACE TIMING
Product Preview
RESETB
CSB
tRSL
SCLK
tCSL
tSCY
tSCH
tSCL
tCSH
tSCS
tCSS
SDIN
tRSD
tDSU
tDHO
LSB
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 = +25oC, Slave Mode, fs = 48kHz, MCLK =
256fs unless otherwise stated.
PARAMETER
SYMBOL
Program Register Input Information
RESETB rising edge to CSB
tRSL
falling edge
SCLK rising edge to CSB rising
tSCS
edge
RESETB rising edge to SDIN
tRSD
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
TYP
MAX
UNIT
500
ns
60
ns
20
ns
80
ns
20
ns
20
ns
20
ns
20
ns
20
ns
20
ns
20
ns
WOLFSON MICROELECTRONICS LTD
PP Rev 1.3 November 2000
8
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