wm8952 Wolfson Microelectronics plc, wm8952 Datasheet - Page 11

• Manufacturer Part Number: wm8952
• Description: Mono Adc With Microphone Pre-amplifier
• Manufacturer: Wolfson Microelectronics plc

Pre Production
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AUDIO INTERFACE TIMING – SLAVE MODE
Note:
BCLK period should always be greater than or equal to MCLK period.
Test Conditions
DVDD=1.8V, AVDD= 3.3V, DGND=AGND =0V, T
stated.
PARAMETER
Audio Data Input Timing Information
FRAME propagation delay from BCLK falling edge
ADCDAT propagation delay from BCLK falling edge
Test Conditions
DVDD=1.8V, AVDD=3.3V, DGND=AGND =0V, T
stated.
PARAMETER
Audio Data Input Timing Information
BCLK cycle time
BCLK pulse width high
BCLK pulse width low
FRAME set-up time to BCLK rising edge
FRAME hold time from BCLK rising edge
ADCDAT propagation delay from BCLK falling edge
Figure 3 Digital Audio Data Timing – Slave Mode
A
=+25
A
=+25
o
C, Slave Mode, fs=48kHz, MCLK= 256fs, 24-bit data, unless otherwise
o
C, Slave Mode, fs=48kHz, MCLK=256fs, 24-bit data, unless otherwise
SYMBOL
t
t
SYMBOL
t
t
LRSU
t
BCH
t
BCY
BCL
LRH
DD
t
t
DDA
DL
81.38
32.55
32.55
10
10
MIN
MIN
TYP
TYP
PP, Rev 3.0, December 2008
MAX
MAX
10
15
15
WM8952
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
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