5.5.3 I C Slave Port
78M6610+PSU Data Sheet
2
Table 21: I C Slave Port Timing
2
2
Parameter
t BUF Bus Idle (Free) time between
transmissions (Stop/Start)
Condition
Min
1500
Typ
-
Max
Unit
ns
I C input Fall Time
20
I C input Rise Time
20
t ICF
t ICR
2
2
1
1
300
300
ns
ns
t STH
I C Start or repeater Start
t STS
I C Start or repeater Start
2
condition hold time
2
condition setup time
500
600
ns
ns
I C clock high time
I C clock low time
I C serial data setup time
I C serial data hold time
t SCH
t SCL
t SDS
t SDH
2
2
2
2
600
1300
100
10
ns
ns
ns
ns
I C Valid data time:
t VDA
-
2
SCL low to SDA output valid
900
ns
-
Notes:
ACK signal from SCL low to
SDA (out) low
1
2
Dependent on bus capacitance.
Guaranteed by design, not subject to test.
t BUF
t ICR
t SDS
t SDH
t VDA
SDA
t I C F
t SCH t SCL
SCL
Stop
t STH
Start
t ICR
t ICF
t STS
Repeat
Start
Condition
t SPS
Stop
Condition
Figure 23: I C (Slave) Port Timing
2
Rev 1
57
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