lists the brownout and blackout voltage levels.
Table 8-1. Brownout and Blackout Voltage Levels
CONDITION
VOLTAGE LEVEL
UNIT
V
brownout
2.1
V
V
blackout
1.67
V
8.8 Electrical Characteristics
T
A
= 25°C, V
BAT
= 3.3 V
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
GPIO Pins Except 25, 26, 42, and 44 (25°C)
C
IN
Pin capacitance
4
pF
V
IH
High-level input voltage
0.65 × V
DD
V
DD
+ 0.5 V
V
V
IL
Low-level input voltage
–0.5
0.35 × V
DD
V
I
IH
High-level input current
5
nA
I
IL
Low-level input current
5
nA
V
OH
High-level output voltage
IL = 2 mA; configured I/O drive
strength = 2 mA;
2.4 V ≤ V
DD
< 3.6 V
V
DD
× 0.8
V
IL = 4 mA; configured I/O drive
strength = 4 mA;
2.4 V ≤ V
DD
< 3.6 V
V
DD
× 0.7
IL = 6 mA; configured I/O drive
strength = 6 mA;
2.4 V ≤ V
DD
< 3.6 V
V
DD
× 0.7
IL = 2 mA; configured I/O drive
strength = 2 mA;
2.3 V ≤ V
DD
< 2.4 V
V
DD
× 0.75
V
OL
Low-level output voltage
IL = 2 mA; configured I/O drive
strength = 2 mA;
2.4 V ≤ V
DD
< 3.6 V
V
DD
× 0.2
V
IL = 4 mA; configured I/O drive
strength = 4 mA;
2.4 V ≤ V
DD
< 3.6 V
V
DD
× 0.2
IL = 6 mA; configured I/O drive
strength = 6 mA;
2.4 V ≤ V
DD
< 3.6 V
V
DD
× 0.2
IL = 2 mA; configured I/O drive
strength = 2 mA;
2.3 V ≤ V
DD
< 2.4 V
V
DD
× 0.25
I
OH
High-level
source current
2-mA drive
2
mA
4-mA drive
4
6-mA drive
6
I
OL
Low-level
sink current
2-mA drive
2
mA
4-mA drive
4
6-mA drive
6
SWRS206E – MARCH 2017 – REVISED MAY 2021
Copyright © 2021 Texas Instruments Incorporated
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