AK8826 Datasheet, PDF (22/157 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

(7) I²C Timing
(7-1) Timing 1
SDA
SCL
tBUF ^tHD:STA
tR
tF
tR
tLOW
[AK8826VN]
tF
tSU:STO
tSU:STA
Fig. 18 I²C Timing 1
parameter
symbol
min
max
unit
Bus Free Time
tBUF
1.3
usec
Hold Time (Start Condition)
tHD:STA
0.6
usec
Clock Pulse Low Time
tLOW
1.3
usec
Input Signal Rise Time
tR
300
nsec
Input Signal Fall Time
tF
300
nsec
Setup Time(Start Condition)
tSU:STA
0.6
usec
Setup Time(Stop Condition)
tSU:STO
0.6
usec
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The above I2C Bus related timings are I2C Bus specifications, and they are not the device limits.
For details, refer to I2C Bus Specifications.
(7-2) Timing 2
tHD:DAT
SDA
tHIGH
SCL
tSU:DAT
Fig. 19 I²C Timing 2
parameter
Data Setup Time
Data Hold Time
Clock Pulse High Time
symbol
tSU:DAT
tHD:DAT
tHIGH
min
100 (note1)
0.0
0.6
max
0.9 (note2)
unit
nsec
usec
usec
note 1 : when to use in I2C Bus Standard mode, tSU : DAT > = 250 nsec must be satisfied.
note 2 : when the AK8826 is used on not-extended tLOW Bus (used at tLOW = minimum specification),
this condition must be satisfied.
R/W operation to the register is possible without Clock input to CLKIN-pin.
MS0972-E-01
22
2008/12