STEVAL-SPBT3ATV3

I/O connections

Doc ID 023290 Rev 2

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I/O connections

3.1

PAD description

Other than the USB plug, some pads are also available. In fact, pads PAD1 to PAD13 make

the SPBT2632C2A.AT2 pins available to the user.

Figure 3.

Available pads

Table 2 gives a description of these pads.

Note:

Default configuration - different configurations can be chosen (see datasheet).

Table 2.

Pad connections

Description

(PAD)

1

BOOT0 - Boot pin used for firmware downloading - used for testing purposes

2

3.3 V (module – LED1 is connected to this PAD)

3

RESETN - reset - connected in parallel to onboard reset switch

4GND

5

+5 V (USB)

6

LPO (external 32.768 kHz frequency input to allow deep sleep and sniff mode

Bluetooth module functional states)

7

GPIO07 – general purpose I/O

8

GPIO01 – general purpose I/O (see note) (LED2 is connected to this GPIO)

9

GPIO02 – general purpose I/O (see note)

10

GPIO03 – general purpose I/O (see note)

11

GPIO04 – general purpose I/O (see note) (LED3 is connected to this GPIO)

12

GPIO06 – general purpose I/O see note)

13

GPIO05 – general purpose I/O

AM12318v1

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