Datasheet

Electrical characteristics STM32F410x8/B
102/142 DocID028094 Rev 5
FMPI
2
C characteristics
The FMPI2C characteristics are described in Table 63.
Refer also to Section 6.3.16: I/O port characteristics for more details on the input/output
alternate function characteristics (SDA and SCL).
Table 63. FMPI
2
C characteristics
(1)
- Parameter
Standard mode Fast mode Fast+ mode
Unit
Min Max Min Max Min Max
f
FMPI2CC
F
MPI2CCLK
frequency 2 - 8 -
17
16
(2)
-
us
t
w(SCLL)
SCL clock low time 4.7 - 1.3 - 0.5 -
t
w(SCLH)
SCL clock high time 4.0 - 0.6 - 0.26 -
t
su(SDA)
SDA setup time 0.25 - 0.10 - 0.05 -
t
H(SDA)
SDA data hold time 0 - 0 - 0 -
t
v(SDA,ACK)
Data, ACK valid time - 3.45 - 0.9 - 0.45
t
r(SDA)
t
r(SCL)
SDA and SCL rise time - 0.100 - 0.30 - 0.12
t
f(SDA)
t
f(SCL)
SDA and SCL fall time - 0.30 - 0.30 - 0.12
t
h(STA)
Start condition hold time 4 - 0.6 - 0.26 -
t
su(STA)
Repeated Start condition
setup time
4.7 - 0.6 - 0.26 -
t
su(STO)
Stop condition setup time 4 - 0.6 - 0.26 -
t
w(STO:STA)
Stop to Start condition time
(bus free)
4.7 - 1.3 - 0.5 -
t
SP
Pulse width of the spikes that
are suppressed by the
analog filter for standard and
fast mode
- - 0.05 0.09 0.05 0.09
C
b
Capacitive load for each bus
Line
- 400 - 400 - 550
(3)
pF
1. Guaranteed based on test during characterization.
2. When tr(SDA,SCL)<=110 ns.
3. Can be limited. Maximum supported value can be retrieved by referring to the following formulas:
t
r(SDA/SCL)
= 0.8473 x R
p
x C
load
R
p(min)
= (V
DD
-V
OL(max)
) / I
OL(max)
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