WM8522 Wolfson Microelectronics plc, WM8522 Datasheet - Page 10

• Manufacturer Part Number: WM8522
• Description: 24-bit, 192khz 6-channel Dac With 1.7vrms Line Driver
• Manufacturer: Wolfson Microelectronics plc

WM8522
MPU INTERFACE TIMING
Figure 6 SPI Compatible Control Interface Input Timing
Table 4 3-Wire SPI Compatible Control Interface Input Timing Information
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Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND, DGND = 0V, T
SCLK/IWL rising edge to CSB/I2S rising edge
SCLK/IWL pulse cycle time
SCLK/IWL pulse width low
SCLK/IWL pulse width high
SDIN/DM to SCLK/IWL set-up time
SCLK/IWL to SDIN/DM hold time
CSB/I2S pulse width low
CSB/I2S pulse width high
CSB/I2S rising to SCLK/IWL rising
PARAMETER
A
= +25
SYMBOL
t
t
t
t
t
t
t
t
t
o
SCH
DSU
DHO
CSH
SCS
SCY
SCL
CSL
CSS
C, fs = 48kHz, MCLK = 256fs unless otherwise stated
MIN
60
80
30
30
20
20
20
20
20
TYP
PD, Rev 4.1, July 2009
MAX
Production Data
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
10