AK7770EQ Datasheet, PDF (17/22 Pages) Asahi Kasei Microsystems – Audio DSP with Multi-Channel Audio CODEC

[AK7770]
■ Microcontroller Interface (I2CBUS Interface)
(Ta=-10°C ~70°C; AVDD=HVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; VSS1= VSS2 = VSS3=0V)
Parameter
Symbol
min
typ max Unit
I²C Timing
SCL clock frequency
fSCL
400 kHz
Bus Free Time Between Transmissions
tBUF
1.3
μs
Start Condition Hold Time
(prior to first Clock pulse)
tHD:STA
0.6
μs
Clock Low Time
tLOW
1.3
μs
Clock High Time
tHIGH
0.6
μs
Setup Time for Repeated Start Condition
tSU:STA
0.6
μs
SDA Hold Time from SCL Falling
tHD:DAT
0
0.9
μs
SDA Setup Time from SCL Rising
tSU:DAT
0.1
μs
Rise Time of Both SDA and SCL Lines
tR
0.3
μs
Fall Time of Both SDA and SCL Lines
tF
0.3
μs
Setup Time for Stop Condition
tSU:STO
0.6
μs
Pulse Width of Spike Noise Suppress By Input Filter tSP
0
50
ns
Capacitive load on bus
Cb
400
pF
Note 33. I2C is a registered trademark of Philips Semiconductors.
MS0699-E-01-PB
- 17 -
2008/06