Data Sheet

[e-mail]
BDE Technology Inc.
BDE-WF3235
BDE Dual-Band WiFi MCU Module
Datasheet
Datasheet
37 / 77
Table 4-4. GPIO Pins 25, 26, 42, and 44 (25°C)
(1)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
C
IN
Pin capacitance
7
p
F
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
50
nA
I
IL
Low-level input current
50
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
IOH
High-level source
current, VOH = 2.4
2-mA drive
1.5
mA
4-mA drive
2.5
6-mA drive
3.5
IOL
Low-level sink
current
2-mA drive
1.5
mA
4-mA drive
2.5
6-mA drive
3.5
V
IL
nRESET
0.6
V
(1) We recommend using the lowest possible drive strength that is adequate for the applications. This recommendation minimizes the risk of
interference to the WLAN radio and reduces any potential degradation of RF sensitivity and performance. The default drive strength setting
is 6 mA.
4.5.1 Electrical Characteristics for Pin Internal Pullup and Pulldown (25°C)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
IOH
Pullup current (V
DD
= 3.0 V)
10
µA
IOL
Pulldown current (V
DD
= 3.0 V)
10
µA