User's Manual

NINA-B1 series - Data Sheet
UBX-15019243 - R05 Early Production Information Electrical specifications
Page 20 of 35
4.2.5 RESET_N pin
Pin name
Parameter
Min
Typ
Max
Unit
Remarks
RESET_N
Low-level input
0
0.3*VCC
V
Internal pull-up resistance
13
kΩ
RESET duration
55
ms
Time taken to release a pin reset.
Table 16: RESET_N pin characteristics
4.2.6 Digital pins
Pin name
Parameter
Min
Typ
Max
Unit
Remarks
Any digital
pin
Input characteristic:
Low-level input
0
0.3*VCC
V
Input characteristic:
high-level input
0.7*VCC
0
V
Output characteristic:
Low-level output
0
0.4
V
Normal drive strength
0
0.4
V
High drive strength
Output characteristic:
High-level output
VCC-0.4
VCC
V
Normal drive strength
VCC-0.4
VCC
V
High drive strength
GPIO_28,
GPIO_29
Leakage current
2
10
µA
When driven to different logic levels
Table 17: Digital pin characteristics