Datasheet

Electrical characteristics STM32L010F4/K4
66/91 DS12323 Rev 2
6.3.13 I/O port characteristics
General input/output characteristics
Unless otherwise specified, the parameters given in Table 48 are derived from tests
performed under the conditions summarized in Table 15. All I/Os are CMOS and TTL
compliant.
Table 47. I/O current injection susceptibility
Symbol Description
Functional susceptibility
Unit
Negative
injection
Positive
injection
I
INJ
Injected current on BOOT0 –0 NA
(1)
1. Current injection is not possible.
mA
Injected current on PA0, PA4, PA5,
PA11, PA12, PC15, PH0 and PH1
–5 0
Injected current on all FT pins –5
(2)
2. It is recommended to add a Schottky diode (pin to ground) to analog pins which may potentially inject
negative currents.
NA
(1)
Injected current on any other pin –5
(2)
+5
Table 48. I/O static characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
IL
Input low level voltage
TC, FT, RST I/Os - - 0.3V
DD
V
BOOT0 pin - - 0.14V
DD
(1)
V
IH
Input high level voltage
All I/Os except
BOOT0 pin
0.7 V
DD
--
V
hys
I/O Schmitt trigger
voltage hysteresis
(2)
Standard I/Os -
10% V
DD
(3)
-
BOOT0 pin - 0.01 -
I
lkg
Input leakage current
(4)
V
SS
≤ V
IN
≤ V
DD
All I/Os except
PA11, PA12 and
BOOT0 pins
--±50
nA
V
SS
≤ V
IN
≤ V
DD
PA11, PA12 pins
- - –50/+250
V
DD
≤ V
IN
≤ 5 V All
I/Os except PA11,
PA12 and BOOT0
pins
--200
V
DD
≤ V
IN
≤ 5V
PA11, PA12 and
BOOT0 pins
- - 10 µA
R
PU
Weak pull-up
equivalent resistor
(5)
V
IN
= V
SS
25 45 65 kΩ
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