cs47028-dqz Cirrus Logic, Inc., cs47028-dqz Datasheet - Page 23

• Manufacturer Part Number: cs47028-dqz
• Description: System-on- A-chip Asoc Processors
• Manufacturer: Cirrus Logic, Inc.

5.12 Digital Switching Characteristics — Serial Control Port - I
DS787PP5
SCP_CLK frequency
SCP_CLK rise time
SCP_CLK fall time
SCP_CLK low time
SCP_CLK high time
SCP_CLK rising to SCP_SDA rising or falling for START or
STOP condition
START condition to SCP_CLK falling
SCP_CLK falling to STOP condition
Bus free time between STOP and START conditions
Setup time SCP_SDA input valid to SCP_CLK rising
Hold time SCP_SDA input after SCP_CLK falling
SCP_CLK low to SCP_SDA out valid
1.f
SCP_CLK
SCP_SDA
maximum speed of the communication port may be limited by the firmware application.
iicck
indicates the maximum speed of the hardware. The system designer should be aware that the actual
t
iicstscl
t
iicckcmd
1
t
Parameter
iicsu
Figure 10.
A6
0
t
iich
1
t
iicckh
t
Serial Control Port - I
iicckl
A0
6
Copyright 2011 Cirrus Logic
t
iicr
R/W
7
t
iicdov
ACK
8
t
iicf
2
MSB
C Master Mode Timing
Symbol
0
t
iicckcmd
t
t
t
iicstscl
t
t
f
t
t
iicckh
iicdov
iicckl
iicstp
t
t
iicbft
iicsu
iicck
t
iich
iicr
iicf
1
1/
f
iicck
6
1.25
1.25
1.25
1.25
Min
110
100
2.5
2
3
-
-
-
-
C Master Mode
LSB
7
Audio SOC Processor Family
ACK
8
CS470xx Data Sheet
Max
400
150
150
36
t
-
-
-
-
-
-
iicstp
t
iicckcmd
t
Units
iicbft
kHz
ns
ns
µs
µs
µs
µs
µs
µs
ns
ns
ns
23