STEVAL-SP1ML868 Datasheet STEVAL-SP1ML868, STEVAL-SP1ML915 | P4-P6

I/O Connections

STEVAL-SP1ML915; STEVAL-SP1ML868

3 I/O Connections

3.1 Pad references

In addition to the USB plug, several pads are also available. Pads 1 to 14 (indicated by the

yellow boxes in the figure below) render the SP1ML-868 / SP1ML-915 module pins

available to the user.

There are also six jumpers (indicated by red boxes) for current absorption purposes and for

reprogramming the module firmware.

Figure 3: Available pads and jumpers

Table 2 provides a description of the pad connections.

4/9 DocID027158 Rev 1

STEVAL-SP1ML915; STEVAL-SP1ML868

I/O Connections

Table 2: Pad connections

Description

Pad

1 GND (SP1ML-868 / SP1ML-915MODULE GND)

2 MODE0 SP1ML-868 / SP1ML-915 I/O signal

WKUP SP1ML-868 / SP1ML-915 signal (WAKE-UP high level

digital voltage / SHUTDOWN low level digital voltage)

4 GPIO0 SP1ML-868 / SP1ML-915 programmable I/O signal

5 GPIO1 SP1ML-868 / SP1ML-915 programmable I/O signal

6 MODE1 SP1ML-868 / SP1ML-915 programmable I/O signal

TxRx_LED SP1ML-868 / SP1ML-915 programmable I/O signal

(LED2 is internally connected to this signal)

8 GND

9 +5 V (USB)

10 +3.3 V

BOOT0 (boot pin used for firmware downloading - used for testing

purpose)

12 Reset - connected in parallel to on-board reset switch

SWCLK SP1ML-868 / SP1ML-915 I/O signal (firmware

dependent)

14 SWDIO SP1ML-868 / SP1ML-915 I/O signal (firmware dependent)

DocID027158 Rev 1 5/9

Reset switch

STEVAL-SP1ML915; STEVAL-SP1ML868

4 Reset switch

A reset switch (SW1) is present on the dongle. When SW1 is pressed the SP1ML-868 /

SP1ML-915 module is forced to reset.

Figure 4: Reset switch

6/9 DocID027158 Rev 1

P1-P3 P4-P6 P7-P9

STEVAL-SP1ML868

Mfr. #:

Buy STEVAL-SP1ML868

Manufacturer:

STMicroelectronics

Description:

RF Development Tools USB dongle for SPIRIT1 low power RF modules SP1ML-868

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

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STEVAL-SP1ML868

STEVAL-SP1ML868

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