WM8711BL Wolfson Microelectronics, WM8711BL Datasheet - Page 11

• Manufacturer Part Number: WM8711BL
• Description: Ultra-Small Audio DAC
• Manufacturer: Wolfson Microelectronics

Production Data
Figure 3 Digital Audio Data Timing – Slave Mode
Figure 4 Program Register Input Timing - 3-Wire MPU interface Timing
w
DIGITAL AUDIO INTERFACE – SLAVE MODE
MPU INTERFACE TIMING
Test Conditions
AVDD, HPVDD, DVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
unless otherwise stated.
PARAMETER
Audio Data Input Timing Information
BCLK cycle time
BCLK pulse width high
BCLK pulse width low
DACLRC set-up time to
BCLK rising edge
DACLRC hold time from
BCLK rising edge
DACDAT set-up time to
BCLK rising edge
DACDAT hold time from
BCLK rising edge
SCLK
SDIN
CSB
SYMBOL
t
t
t
t
t
LRSU
t
BCY
BCH
t
BCL
LRH
DH
DS
t
DSU
t
SCH
t
DHO
TEST CONDITIONS
t
SCY
t
t
SCL
CSL
A
= +25
LSB
o
t
C, slave mode, fs = 48kHz, MCLK = 256fs
MIN
50
20
20
10
10
10
10
SCS
TYP
t
CSS
t
CSH
PD, Rev 4.1, April 2007
MAX
WM8711BL
UNIT
ns
ns
ns
ns
ns
ns
ns
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