EVAL-ADUC831QSZ Datasheet, PDF (71/76 Pages) Analog Devices – MicroConverter®, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU

Parameter
Min
I²C COMPATIBLE INTERFACE TIMING
t_L
SCLOCK Low Pulsewidth
4.7
t_H
SCLOCK High Pulsewidth
4.0
t_SHD
Start Condition Hold Time
0.6
t_DSU
Data Setup Time
100
t_DHD
Data Hold Time
t_RSU
Setup Time for Repeated Start
0.6
t_PSU
Stop Condition Setup Time
0.6
t_BUF
Bus Free Time Between a STOP
1.3
Condition and a START Condition
t_R
Rise Time of Both SCLOCK and SDATA
t_F
t_SUP*
Fall Time of Both SCLOCK and SDATA
Pulsewidth of Spike Suppressed
*Input filtering on both the SCLOCK and SDATA inputs suppresses noise spikes less than 50 ns.
Max
0.9
300
300
50
ADuC831
Unit
Figure
µs
74
µs
74
µs
74
µs
74
µs
74
µs
74
µs
74
µs
74
ns
74
ns
74
ns
74
t_BUF
t_SUP
SDATA (I/O)
MSB
LSB
ACK
t_PSU
t_DSU
t_SHD
t_DHD
t_DSU
t_H
t_DHD
t_RSU
SCLK (I)
PS
STOP
START
CONDITION CONDITION
1
2-7
8
9
t_L
t_SUP
Figure 74. I ²C Compatible Interface Timing
S(R)
REPEATED
START
t_R
MSB
t_F
t_R
1
t_F
REV. 0
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