AK7752 Datasheet, PDF (16/23 Pages) Asahi Kasei Microsystems – Audio/Hands Free DSP with Stereo CODEC

[AK7752]
5) I²CBUS Interface
(Ta=-40ºC~85ºC; AVDD, DVDD=3.0~3.6V)
Parameter
I²C Timing
Symbol
min
SCL Clock Frequency
fSCL
Bus Free Time Between Transmissions
tBUF
1.3
Start Condition Hold Time
tHD:STA
0.6
(prior to first Clock pulse)
Clock Low Time
tLOW
1.3
Clock High Time
tHIGH
0.6
Setup Time for Repeated Start Condition
tSU:STA
0.6
SDA Hold Time from SCL Falling
tHD:DAT
0
SDA Setup Time from SCL Rising
tSU:DAT
0.1
Rise Time of Both SDA and SCL Lines
tR
Fall Time of Both SDA and SCL Lines
tF
Setup Time for Stop Condition
tSU:STO
0.6
Pulse Width of Spike Noise Suppressed
tSP
0
By Input Filter
Capacitive Load on Bus
Cb
typ max Units
400 KHz
μs
μs
μs
μs
μs
0.9
μs
μs
0.3
μs
0.3
μs
μs
50
ns
400
pF
Note 35. I²C is a registered trademark of Philips Semiconductors.
6) EEPROM Interface
(Ta=-40ºC ~ 85ºC; AVDD, DVDD=3.0 ~ 3.6V; CL=20pF)
Parameter
Symbol min
EEPROM→AK7752
EESO Latch Setup Time (EESEL pin = “H”)
tEESOS 160
EESO Latch Hold Time (EESEL pin = “H”)
tEESOH 160
Time from EESEL “↑” to EECS_N, EECK, EESI
Hi-Z release (Iout=±360μA)
tESLHR
Time from EESEL “↓” to EECS_N, EECK, EESI
Hi-Z set (Iout=±360μA)
tESLHS
typ
max
Units
ns
ns
600
ns
600
ns
MS0578-E-01-PB
- 16 -
2007/09