wm8770 Wolfson Microelectronics plc, wm8770 Datasheet - Page 12

• Manufacturer Part Number: wm8770
• Description: 24-bit, 192khz 8-channel Codec With Volume Control
• Manufacturer: Wolfson Microelectronics plc

WM8770
MPU INTERFACE TIMING
Figure 6 SPI Compatible Control Interface Input Timing
Table 4 3 Wire SPI Compatible Control Interface Input Timing Information
w
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND = 0V, DGND = 0V, T
otherwise stated.
CE to RESETB hold time
RESETB to CL setup time
CL rising edge to CE rising edge
CL pulse cycle time
CL pulse width low
CL pulse width high
DI to CL set-up time
CL to DI hold time
CE pulse width low
CE pulse width high
CE rising to CL rising
RESETB
CL
CE
DI
PARAMETER
t
RCSU
t
RCHO
t
DSU
SYMBOL
t
A
SCH
t
t
t
RCHO
t
t
t
t
t
t
t
= +25
RCSU
t
t
DHO
SCH
DSU
DHO
CSH
SCS
SCY
SCL
CSL
CSS
t
SCY
o
t
C, fs = 48kHz, MCLK = 256fs, ADC/DAC in Slave Mode unless
SCL
MIN
20
20
60
80
30
30
20
20
20
20
20
LSB
t
t
SCS
CSL
TYP
t
CSS
t
CSH
PD Rev 4.2 March 2008
MAX
Production Data
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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