25
23
19
18
22
27
20
21
17
18
28
Stop
Start
Repeated
Start
Stop
I2C[x]_SDA
I2C[x]_SCL
16
26
24
10
8
4
3
7
12
5
6
14
2
3
13
Stop
Start
Repeated
Start
Stop
I2C[x]_SDA
I2C[x]_SCL
1
11
9
AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
Figure 7-68. I
2
C Receive Timing
Table 7-70. Switching Characteristics for I
2
C Output Timings
(see
STANDARD MODE
FAST MODE
NO.
PARAMETER
UNIT
MIN
MAX
MIN
MAX
15
t
c(SCL)
Cycle time, SCL
10
2.5
µs
Setup time, SCL high before SDA low (for a repeated
16
t
su(SCLH-SDAL)
4.7
0.6
µs
START condition)
Hold time, SCL low after SDA low (for a START and a
17
t
h(SDAL-SCLL)
4
0.6
µs
repeated START condition)
18
t
w(SCLL)
Pulse duration, SCL low
4.7
1.3
µs
19
t
w(SCLH)
Pulse duration, SCL high
4
0.6
µs
20
t
su(SDAV-SCLH)
Setup time, SDA valid before SCL high
250
100
ns
21
t
h(SCLL-SDAV)
Hold time, SDA valid after SCL low
0
3.45
0
0.9
µs
Pulse duration, SDA high between STOP and START
22
t
w(SDAH)
4.7
1.3
µs
conditions
23
t
r(SDA)
Rise time, SDA
1000
300
ns
24
t
r(SCL)
Rise time, SCL
1000
300
ns
25
t
f(SDA)
Fall time, SDA
300
300
ns
26
t
f(SCL)
Fall time, SCL
300
300
ns
27
t
su(SCLH-SDAH)
Setup time, high before SDA high (for STOP condition)
4
0.6
µs
Figure 7-69. I
2
C Transmit Timing
192
Peripheral Information and Timings
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