Data Sheet

NINA-B40 series - Data sheet

UBX-19049405 - R04 Electrical specifications Page 25 of 40

C1 - Public

View Vertical polarization Horizontal polarization Total (Vertical + Horizontal)

Side view, XZ plane

positive Y direction

Bottom view, YZ

plane negative X

direction

Table 14: NINA-B4x6 antenna radiation patterns

4.2.7 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 15: RESET_N pin characteristics

4.2.8 Digital pins

Pin name Parameter Min Typ Max Unit Remarks

Any digital

Input characteristic:

Low-level input

0 0.3*VCC V

Input characteristic:

high-level input

0.7*VCC VCC V

Output characteristic:

Low-level output

0 0.4 V Standard drive strength

0 0.4 V High drive strength

Output characteristic:

High-level output

VCC-0.4 VCC V Standard drive strength

VCC-0.4 VCC V High drive strength

Sink/Source current 1 2 4 mA Standard drive strength

3 mA High drive strength, VCC < 2.7 V

6 10 15 mA High drive strength, sink, VCC ≥ 2.7 V

6 9 14 mA High drive strength, source, VCC ≥ 2.7 V

Antenna Gain (dBi)

-25