WM8734SEFL Wolfson Microelectronics, WM8734SEFL Datasheet - Page 14

• Manufacturer Part Number: WM8734SEFL
• Description: Audio CODECs Stereo CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8734SEFL

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-28
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8734
MPU INTERFACE TIMING
Figure 6 Program Register Input Timing – 3-Wire MPU Serial Control Mode
w
Test Conditions
AVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 3.3V, DGND = 0V, T
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
C, Slave Mode, fs = 48kHz, MCLK = 256fs unless
MIN
60
80
20
20
20
20
20
20
20
LSB
t
SCS
TYP
t
CSS
PD, Rev 4.3, January 2009
t
CSH
MAX
Production Data
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
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