AK4601VQ Datasheet, PDF (34/111 Pages) Asahi Kasei Microsystems – Audio HUB CODEC with Digital Mixer

[AK4601]
5. I²C Interface
(Ta=-40~85C; AVDD=VREFH=3.0~3.6V; LVDD=3.0~3.6V; TVDD=1.7~3.6V; AVSS=VREFL=DVSS1
=DVSS2=0V)
<I²C: Fast Mode>
Parameter
I²C Timing
SCL clock frequency
Bus Free Time Between Transmissions
Start Condition Hold Time (prior to first Clock pulse)
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling
SDA Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
Fall Time of Both SDA and SCL Lines
Setup Time for Stop Condition
Pulse Width of Spike Noise Suppressed By Input Filter
Capacitive load on bus
Symbol
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
tSP
Cb
Min.
1.3
0.6
1.3
0.6
0.6
0
0.1
0.6
0
Typ.
Max. Unit
400 kHz
s
s
s
s
s
s
s
0.3 s
0.3 s
s
50 ns
400 pF
<I²C: Fast Mode Plus>
Parameter
I²C Timing
SCL clock frequency
Bus Free Time Between Transmissions
Start Condition Hold Time (prior to first Clock pulse)
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling
SDA Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
Fall Time of Both SDA and SCL Lines
Setup Time for Stop Condition
Pulse Width of Spike Noise Suppressed By Input Filter
Capacitive load on bus
Symbol
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
tSP
Cb
Min.
0.5
0.26
0.5
0.26
0.26
0
0.05
0.26
0
Typ.
Max. Unit
1 MHz
s
s
s
s
s
s
s
0.12 s
0.12 s
s
50 ns
550 pF
SDA
tBUF
tLOW tR
tHIGH tF
SCL
tHD:STA
Stop Start
tHD:DAT
tSU:DAT tSU:STA
Start
Figure 12. I²C BUS Interface Timing
VIH2
VIL2
tSP
VIH2
VIL2
tSU:STO
Stop
016000391-E-01
- 34 -
2016/12