wm8903 Wolfson Microelectronics plc, wm8903 Datasheet - Page 18

• Manufacturer Part Number: wm8903
• Description: Ultra Low Power Codec For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

WM8903
Note: BCLK period must always be greater than or equal to MCLK period.
w
Audio Interface Timing – Slave Mode
PARAMETER
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
DACDAT set-up time to BCLK rising edge
SLAVE MODE
Figure 3 Audio Interface Timing – Slave Mode
SYMBOL
t
t
t
t
t
LRSU
t
t
t
BCY
BCH
BCL
LRH
DH
DD
DS
MIN
50
20
20
10
10
10
TYP
PP, Rev 3.1, August 2009
MAX
10
40
Pre-Production
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
18