wm9711lgefl-v Wolfson Microelectronics plc, wm9711lgefl-v Datasheet - Page 47

• Manufacturer Part Number: wm9711lgefl-v
• Description: Low Power Audio Codec For Portable Applications
• Manufacturer: Wolfson Microelectronics plc

Production Data
w
INTERFACE TIMING
Test Characteristics:
DBVDD = 3.3V, DCVDD = 3.3V, DGND1 = DGND2 = 0V, T
CLOCK SPECIFICATIONS
Figure 9 Clock Specifications (50pF External Load)
DATA SETUP AND HOLD
Figure 10 Data Setup and Hold (50pF External Load)
Note:
1.
Note:
1. Worst case duty cycle restricted to 45/55
BITCLK frequency
BITCLK period
BITCLK output jitter
BITCLK high pulse width (Note 1)
BITCLK low pulse width (Note 1)
SYNC frequency
SYNC period
SYNC high pulse width
SYNC low pulse width
Setup and hold times for SDATAIN are with respect to the AC’97 controller, not the
WM9711L.
BITCLK
SYNC
PARAMETER
t
SYNC_HIGH
A
t
CLK_PERIOD
t
= -25°C to +85°C, unless otherwise stated.
CLK_HIGH
t
t
SYNC_PERIOD
t
t
SYMBOL
CLK_PERIOD
t
SYNC_HIGH
t
SYNC_LOW
CLK_HIGH
CLK_LOW
t
SYNC_PERIOD
t
CLK_LOW
t
SYNC_LOW
MIN
36
36
12.288
81.4
40.7
40.7
20.8
19.5
TYP
1.3
48
PD Rev 4.3 August 2006
MAX
750
WM9711L
45
45
UNIT
MHz
kHz
ns
ps
ns
ns
µs
µs
µs
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