wm8982gefl-v Wolfson Microelectronics plc, wm8982gefl-v Datasheet - Page 13

• Manufacturer Part Number: wm8982gefl-v
• Description: Mono Codec With Speaker Driver And Video Buffer
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
AUDIO INTERFACE TIMING – SLAVE MODE
Note:
BCLK period should always be greater than or equal to MCLK period.
w
Test Conditions
DCVDD=1.8V,
MCLK=256fs, 24-bit data, unless otherwise stated.
PARAMETER
Audio Data Input Timing Information
FRAME propagation delay from BCLK falling edge
ADCDAT propagation delay from BCLK falling edge
DACDAT setup time to BCLK rising edge
DACDAT hold time from BCLK rising edge
Test Conditions
DCVDD=1.8V, DBVDD=AVDD=SPKVDD=3.3V, DGND=AGND=SPKGND=0V, T
MCLK= 256fs, 24-bit data, unless otherwise 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
DACDAT hold time from BCLK rising edge
DACDAT setup time to BCLK rising edge
ADCDAT propagation delay from BCLK falling edge
DBVDD=AVDD=SPKVDD=3.3V,
Figure 3 Digital Audio Data Timing – Slave Mode
DGND=AGND=SPKGND=0V,
SYMBOL
SYMBOL
t
t
t
t
LRSU
t
BCH
t
t
BCY
BCL
LRH
t
DH
DD
Ds
t
t
t
t
DDA
DST
DHT
DL
A
=+25
MIN
MIN
T
10
10
50
20
20
10
10
10
10
A
=+25
o
C, Slave Mode, fs=48kHz,
o
C,
TYP
TYP
Master
PP, Rev 3.2, September 2008
Mode,
MAX
MAX
10
10
10
WM8982
fs=48kHz,
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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