SPMB250-A1

Board description

Doc ID 15179 Rev 2

9/18

6.4

Pad description

When used on a motherboard the boundary pads on the SPMB250-A1 can be used to get

the connections with the remaining part of the circuit present on the motherboard itself.

The meaning of the pads is listed in the following table:

6.5

LED indicators

Two LED L2 (Led2) and L3 (Led3) are connected to the GPIO of SPZB250 module to be

used to monitor the module activity. Driving pin of L3 is also available as pad out (P10).

Table 4.

Pad description

N.

Pin name

I/O

Description

P1

J1 – Vcc- (GND)

Power GND input voltage supply

P2

J1 – Vcc +

Power Positive input voltage supply

P3

SW2-O

Power Power switch pole connected to the circuit

P4

SW2-I

Power Power switch pole connected to Vin +

P5

GND

Power

P6

SW1 (RESET /

RSTB)

I

Reset push button. Reset occurs when this pad is tied to

GND

P7

GND

Power

P8

GPIO8

I/O

GPIO8 of SPZB250 module

P9

SW3

I

General purpose push button / commissioning push button.

It can used also as I/O pin

P10

L3 – GPIO13

O

Led 3 general purpose (connected to SPZB250 GPIUO13) A

resistor is needed to limit the current

Obsolete

Product(s)

- Obsolete

Product(s)