Analog Devices MicroConverter ADuC812 User Manual page 51

Parameter
2
I C-COMPATIBLE INTERFACE TIMING
t SCLOCK Low Pulsewidth
L
t SCLOCK High Pulsewidth
H
t Start Condition Hold Time
SHD
t Data Setup Time
DSU
t Data Hold Time
DHD
t Setup Time for Repeated Start
RSU
t Stop Condition Setup Time
PSU
t Bus Free Time between a STOP
BUF
Condition and a START Condition
t Rise Time of Both SCLOCK and SDATA
R
t Fall Time of Both SCLOCK and SDATA
F
1
t Pulsewidth of Spike Suppressed
SUP
NOTE
1
Input filtering on both the SCLOCK and SDATA inputs suppress noise spikes which are less than 50 ns.
t
SDATA (I/O)
t
PSU
SCLK (I)
PS
STOP
CONDITION
BUF
MSB
t
DSU
t
DHD
t
SHD
1
START
CONDITION
Min
4.7
4.0
0.6
100
0
0.6
0.6
1.3
t
SUP
LSB ACK
t
DSU
t
H
2-7 8
t
t
SUP
L
ADuC812
Max Unit
µs
µs
µs
ns
µs
0.9
µs
µs
µs
300 ns
300 ns
50 ns
t
R
MSB
t
DHD
t
RSU
9 1
S(R)
t
F
REPEATED
START
Figure
56
56
56
56
56
56
56
56
56
56
56
t
R