STMicroelectronics Discovery kit for STM32L151/152 line - with STM32L152RC MCU STM32L152C-DISCO STM32L152C-DISCO Hoja De Datos
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STM32L152C-DISCO
DocID022799 Rev 6
STM32L15xCC STM32L15xRC STM32L15xUC STM32L15xVC
Electrical characteristics
111
Input/output AC characteristics
The definition and values of input/output AC characteristics are given in
and
, respectively.
are derived from tests
performed under ambient temperature and V
DD
supply voltage conditions summarized in
Table 45. I/O AC characteristics
(1)
OSPEEDRx
[1:0] bit
value
(1)
Symbol
Parameter
Conditions
Min
Max
(2)
Unit
00
f
max(IO)out
Maximum frequency
(3)
C
L
= 50
pF, V
DD
= 2.7 V to 3.6 V
-
400
kHz
C
L
= 50
pF, V
DD
= 1.65 V to 2.7 V
-
400
t
f(IO)out
t
r(IO)out
Output rise and fall time
C
L
= 50
pF, V
DD
= 2.7 V to 3.6 V
-
625
ns
C
L
= 50
pF, V
DD
= 1.65 V to 2.7 V
-
625
01
f
max(IO)out
Maximum frequency
C
L
= 50
pF, V
DD
= 2.7 V to 3.6 V
-
2
MHz
C
L
= 50
pF, V
DD
= 1.65 V to 2.7 V
-
1
t
f(IO)out
t
r(IO)out
Output rise and fall time
C
L
= 50
pF, V
DD
= 2.7 V to 3.6 V
-
125
ns
C
L
= 50
pF, V
DD
= 1.65 V to 2.7 V
-
250
10
F
max(IO)out
Maximum frequency
C
L
= 50 pF, V
DD
= 2.7 V to 3.6 V
-
10
MHz
C
L
= 50
pF, V
DD
= 1.65 V to 2.7 V
-
2
t
f(IO)out
t
r(IO)out
Output rise and fall time
C
L
= 50
pF, V
DD
= 2.7 V to 3.6 V
-
25
ns
C
L
= 50
pF, V
DD
= 1.65 V to 2.7 V
-
125
11
F
max(IO)out
Maximum frequency
C
L
= 30 pF, V
DD
= 2.7 V to 3.6 V
-
50
MHz
C
L
= 50
pF, V
DD
= 1.65 V to 2.7 V
-
8
t
f(IO)out
t
r(IO)out
Output rise and fall time
C
L
= 30
pF, V
DD
= 2.7 V to 3.6 V
-
5
ns
C
L
= 50
pF, V
DD
= 1.65 V to 2.7 V
-
30
-
t
EXTIpw
Pulse width of external
signals detected by the
EXTI controller
signals detected by the
EXTI controller
-
8
-
1. The I/O speed is configured using the OSPEEDRx[1:0] bits. Refer to the STM32L151xx, STM32L152xx and STM32L162xx
reference manual for a description of GPIO Port configuration register.
2. Guaranteed by design. Not tested in production.
.