WM8980CGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM8980CGEFL/RV Datasheet - Page 16

• Manufacturer Part Number: WM8980CGEFL/RV
• Description: Stereo CODEC with Speaker Driver and Video Buffer
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8980
AUDIO INTERFACE TIMING – SLAVE MODE
Note:
BCLK period should always be greater than or equal to MCLK period.
w
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
LRC 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
LRC set-up time to BCLK rising edge
LRC hold time from BCLK rising edge
DACDAT hold time from BCLK rising edge
ADCDAT propagation delay from BCLK falling edge
Figure 3 Digital Audio Data Timing – Slave Mode
SYMBOL
SYMBOL
t
t
t
t
t
LRSU
t
t
BCY
BCH
LRH
BCL
DH
DD
t
t
t
t
DDA
DHT
DST
DL
A
=+25
A
=+25
MIN
MIN
o
10
10
50
20
20
10
10
10
C, Master Mode, fs=48kHz,
o
C, Slave Mode, fs=48kHz,
TYP
TYP
PP, Rev 3.8, May 2012
MAX
MAX
10
10
10
Pre-Production
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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