WM8731L WOLFSON [Wolfson Microelectronics plc], WM8731L Datasheet - Page 18

• Manufacturer Part Number: WM8731L
• Description: Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

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