ST STEVAL-SP1ML915 Manuale utente

STEVAL-SP1ML915;

STEVAL-SP1ML868

USB dongle for SPIRIT1 low power RF modules SP1ML-868 and

SP1ML-915

Data brief

Features

•Based on SPIRIT1 sub GHz modules

SP1ML-868 and SP1ML-915

•USB interface and power supply

•RESET button

•On-board antenna

•RoHS compliant

Description

The STEVAL-SP1ML868 and STEVAL-

SP1ML915 boards are design tools that allow

evaluation of ST's SP1ML-868 and SP1ML-915

low power RF modules in a quick and simple

way.

The dongle includes the module to evaluate, an

on-board RF antenna, and a USB connector. The

USB connector is used to connect the dongle to a

PC, to access the sub GHz RF module and to

supply the dongle.

The STEVAL-SP1ML868 and STEVAL-

SP1ML915 downloaded firmware enables the

user to create a SPIRIT1 link using simple AT

commands.

The SP1ML-based dongle is not qualified. It is a

demonstration tool only, to be used strictly for

evaluation purposes. It is not a product in itself.

January 2015 DocID027158 Rev 1 1/9

For further information contact your local STMicroelectronics sales

office www.st.com

Recommended operating conditions

STEVAL-SP1ML915; STEVAL-SP1ML868

1 Recommended operating conditions

Table 1: Recommended operating conditions

Symbol Parameter Conditions Min. Typ. Max. Unit

VDD Board supply voltage -20 °C < T <

70 °C 4.5 5 5.5 V

Top Operating case

temperature range -20 +70 °C

2/9 DocID027158 Rev 1

STEVAL-SP1ML915; STEVAL-SP1ML868

Dongle layout

2 Dongle layout

Figure 1: Dongle component layout, top side

Figure 2: Dongle component layout, bottom side

DocID027158 Rev 1 3/9

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

3 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

7 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

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

purpose)

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

13 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

STEVAL-SP1ML915; STEVAL-SP1ML868

Dongle schematics

5 Dongle schematics

Figure 5: Dongle circuit schematic

DocID027158 Rev 1 7/9

+3.3V_CP2102

+5V_USB (VCC)

+5V USB (VCC)

RESETN

GPIO1

GPIO0

TxRx_LED

+3.3V_HC

MODE1

WKUP

MODE0

RXD_CP2102

TXD_CP2102

BOOT0

SWDIO

RTS_CP2102

CTS_CP2102

SWCLK

GND

+3.3V

USB (GND)

USB (D-)

USB (Vcc)

USB (D+)

(TANT.)

N.M.

(ALTERNATIVE DEVICE)

N.M.

( JUMPER NOT MOUNTED )

(OPTIONAL)

( It' s possible not mount the power supply unit in case of module with low power consumption )

( A type )

AA0011NN

OOCC

(EMULATOR / DEBUGGER CONNECTOR) R12 for SPIRIT1 868MHz module and

R13 for SPIRIT1 915MHz module

33RR

33PPJJ

33DDAAPP

22RR mmhh

OO00

7744

D1 1

GND 2

D2 3

33CCII 66WW1100

UUB

BSSUU

4D3

53.3V

6D4

55CC nn000011

55DDAAPP

CC uu0011 VV33..66

88RR mm

hhOO007744

3311DDAAPP

11CCII

1Vin

2GND

RR3333MM55889933SSDDLL

ByPass 4

Vout 5

3INHIBIT

77CC nn00

0011

22CCII

4D+

0011

22PPCC

5D-

6Vdd

7REGIN

8VBUS

1DCD

2RI

3GND

9/RST

10 NC

11 /SU SPE ND

12 S USPE ND

13 NC

14 NC

NC 15

NC 16

NC 17

NC18

NC19

NC 20

NC21

NC 22

CTS 23

RTS 24

RXD 25

TXD 26

DSR 27

DTR 28

2211RR ..MM..NNrr

ooKK

7744

22DDEE

LL NN

EEEERRGG

NNOOTTTTUUBBHHSSUUPPWWSS

11JJ

RROO

TTCC

EENNNNOO

ELL

AAMMBB

SSUU

EEVVIITTAANNRREETT

AA--11JJ

RROO

CCEENN

NNOO

CCII

IIMMBB

11PPTT

1111DDAAPP

44CC

uu22

22 VV33..66

mmhhOO00

CC nn000011

0011DDAAPP

99DDAAPP

88DDAAPP

22JJ

12 3

456 7

8910

11MMPPSS

AANN

EETTNNAA

GGIIGG

11 BOO T0

9SW DIO

VIN 7

10 SWCLK

EELLUUDDOOMM))

AASSUU

((

11TTIIRRIIPPSS

12RESE TN

13 TXD

14 RXD

MODE05

GND8

MODE1 6

GPIO1 4

GPIO0 3

WKUP 2

TxRx_LED 1

15 RTS

16 CTS

11DDAAPP

77DDAAPP

PPJJ

11DDEE

LL NNEEEERRGG

4411DDAAPP

44PPJJ

3311RR KK7744

rroo..MM

..NN

44DDAAPP

55RR mmhhOO00

1111RR ..MM

66RR mmhhOO

RR ..

22DDAAPP

2211DDAAPP

0011RR

KK77..44

66DDAAPP

11AA11UU

3Vin

1GND

Vout 2

TTTT//EE22003333

--TT11007711PPCCMM

99CC FF

uu11

22PPJJ

66CC

nn0000

33CC

nn0011

77RR mmhhOO00

99RR KK77..44

88CC

uu0011 VV

..66

GSPG11112014DI1435

Revision history

STEVAL-SP1ML915; STEVAL-SP1ML868

6 Revision history

Table 3: Document revision history

Date Rev Changes

22-Jan-2015 1 First release.

8/9 DocID027158 Rev 1

STEVAL-SP1ML915; STEVAL-SP1ML868

IMPORTANT NOTICE – PLEASE READ CAREFULLY

STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and

improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST

products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order

acknowledgement.

Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the

design of Purchasers’ products.

No license, express or implied, to any intellectual property right is granted by ST herein.

Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.

ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners.

Information in this document supersedes and replaces information previously supplied in any prior versions of this document.

DocID027158 Rev 1 9/9

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