WM8753 Wolfson Microelectronics plc, WM8753 Datasheet - Page 16

• Manufacturer Part Number: WM8753
• Description: HI FI AND TELEPHONY DUAL CODEC
• Manufacturer: Wolfson Microelectronics plc

Advanced Information
CONTROL INTERFACE TIMING – 3-WIRE MODE
w
Test Conditions
DCVDD = 1.42V, DBVDD = AVDD = HPVDD = SPKRVDD = PLLVDD = 3.3V, DGND = AGND = PLLGND = 0V, T
Slave Mode, fs = 48kHz, MCLK = 256fs, 24-bit data, unless otherwise stated.
PARAMETER
Program Register Input Information
SCLK rising edge to CSB rising edge
SCLK pulse cycle time
SCLK pulse width low
SCLK pulse width high
SDIN to SCLK set-up time
SCLK to SDIN hold time
CSB pulse width low
CSB pulse width high
CSB rising to SCLK rising
SCLK falling to SDOUT propagation delay
Pulse width of spikes that will be suppressed
Figure 4 Control Interface Timing – 3-Wire Serial Control Mode
SDOUT
SCLK
SDIN
CSB
Note:
SDOUT is not an external pin. For data readback SDOUT may be selected to be ADCDAT, GP1, GP2,
GPIO3 or GPIO4
t
DD
t
DSU
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
SCS
SCH
DSU
DHO
CSH
CSS
SCH
SCY
SCL
CSL
t
DD
ps
t
DHO
t
SCY
t
t
SCL
CSL
200
80
80
80
40
40
40
40
40
MIN
5
LSB
LSB
t
SCS
TYP
t
CSS
t
CSH
AI Rev 3.1 June 2004
MAX
10
WM8753L
A
= +25
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
o
16
C,