Rainbow Electronics ATVaultIC200 - Manual (Page 13)

13
TPR0460AX–SMS–02/10
ATVaultIC200
3.4 Timings
3.4.1 I²C Timings
The table below describes the requirements for devices connected to the I²C Bus. The
ATVaultIC200 I²C Interface meets or exceeds these requirements under the noted conditions.
Timing symbols refer to Figure 3.4.2 .
Table 3-4. I²C Requirements
Figure 3-1. I²C Timings
Symbol Parameter Condition Min Max Unit
t
r
Rise Time for both SDA and SCL TBD TBD ns
t
of
Output Fall Time from V
IHmin
to V
ILmax
TBD TBD ns
f
SCL
SCL Clock Frequency TBD 100 kHz
t
HD;STA
Hold Time (repeated) START Condition TBD TBD μs
t
LOW
Low Period of the SCL Clock TBD TBD μs
t
HIGH
High period of the SCL clock TBD TBD μs
t
SU;STA
Set-up time for a repeated START condition TBD TBD μs
t
HD;DAT
Data hold time TBD TBD μs
t
SU;DAT
Data setup time TBD TBD ns
t
SU;STO
Setup time for STOP condition TBD TBD μs
t
BUF
Bus free time between a STOP and START
condition
TBD TBD μs
t
SU;STA
t
LOW
t
HIGH
t
LOW
t
of
t
HD;STA
t
HD;DAT t
SU;DAT
t
SU;STO
t
BUF
SCL
SDA
t
r