Neoway N720 OpenLinux - Table 3-12 I2 C Timing Parameters (Fast Mode); Table 3-13 I2 C Timing Parameters (Fast Mode Plus)

N720 OpenLinux
Hardware User Guide
Copyright © Neoway Technology Co., Ltd
44
Table 3-12 I2C timing parameters (fast mode)
Timing Parameter
Minimum
Value
Typical
Value
Maximum
Value
Unit
f
SCL
SCL clock frequency
/
400
kHz
t
HD;STA
Hold time (repeated) START condition
0.6
/
/
us
t
LOW
LOW period of the SCL pin
1.3
/
/
us
t
HIGH
HIGH period of the SCL pin
0.6
/
5.0
us
t
SU;STA
Set-up time for a repeated START
condition
0.6
/
/
us
t
HD;DAT
Data hold time
0
/
/
us
t
SU;DAT
Data set-up time
100
/
/
ns
t
r
Rise time for SCL and SDA
20
/
300
ns
t
f
Fall time for SCL and SDA
6.55
/
300
ns
t
SU;STO
Set-up time for STOP condition
0.6
/
/
us
t
BUF
Bus free time between STOP and START
condition
1.3
/
/
us
t
VD;DAT
Data invalid time
/
/
0.9
us
t
VD;ACK
Data invalid acknowledge time
/
/
0.9
us
Table 3-13 I2C timing parameters (fast mode plus)
Timing Parameter
Minimum
Value
Typical
Value
Maximum
Value
Unit
f
SCL
SCL clock frequency
/
1000
kHz
t
HD;STA
Hold time (repeated) START condition
0.26
/
/
us
t
LOW
LOW period of the SCL pin
0.5
/
/
us
t
HIGH
HIGH period of the SCL pin
0.26
/
5.0
us
t
SU;STA
Set-up time for a repeated START
condition
0.26
/
/
us
t
SU;DAT
Data set-up time
50
/
/
ns
t
r
Rise time for SCL and SDA
/
/
120
ns
t
f
Fall time for SCL and SDA
6.55
/
120
ns
t
SU;STO
Set-up time for STOP condition
0.26
/
/
us