Datasheet

78M6610+PSU Data Sheet
5.5.3 I
2
C Slave Port
Table 5-1: I
2
C Slave Port Timing
2
Parameter Condition Min Typ Max Unit
t
BUF
Bus Idle (Free) time between
transmissions (STOP/START)
1500 - – ns
t
ICF
I
2
C input Fall Time 20
1
– 300 ns
t
ICR
I
2
C input Rise Time
20
1
–
300
ns
t
STH
I
2
C START or repeated
START condition hold time
500 – – ns
t
STS
I
2
C START or repeated
START condition setup time
600 – – ns
t
SCH
I
2
C clock high time 600 – – ns
t
SCL
I
2
C clock low time 1300 – – ns
t
SDS
I
2
C serial data setup time 100 – – ns
t
SDH
I
2
C serial data hold time 10 – – ns
t
VDA
I
2
C Valid data time:
- SCL low to SDA output valid
- ACK signal from SCL low to
SDA (out) low
– – 900 ns
Notes:
1
Dependent on bus capacitance.
2
Guaranteed by design, not subject to test.
t
BUF
Stop
Start
t
STH
t
SCH
t
SCL
SCL
t
ICR
t
ICF
t
ICR
t
ICF
SDA
t
SDS
t
SDH
t
VDA
t
SPS
t
STS
Stop
Condition
Repeat
Start
Condition
Figure 5-2: I
2
C (Slave) Port Timing
Rev 3 59