ST STEVAL-SP1ML915 User manual

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
+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
FF
UUB
BSSUU
4D3
53.3V
6D4
55CC nn000011
55DDAAPP
22
CC uu0011 VV33..66
88RR mm
hhOO007744
3311DDAAPP
11CCII
1Vin
2GND
RR3333MM55889933SSDDLL
ByPass 4
Vout 5
3INHIBIT
77CC nn00
0011
22CCII
4D+
22
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
11
WW
SS
NNOOTTTTUUBBHHSSUUPPWWSS
11JJ
4
3
2 1
RROO
TTCC
EENNNNOO
CC
E
ELL
AAMMBB
SSUU
5
4
3
2 1
EEVVIITTAANNRREETT
LL
AA--11JJ
RROO
TT
CCEENN
NNOO
CCII
N N
IIMMBB
SS
UU
11PPTT
1111DDAAPP
44CC
uu22
22 VV33..66
11
RR
mmhhOO00
11
CC nn000011
0011DDAAPP
99DDAAPP
88DDAAPP
22JJ
12 3
456 7 8910
11MMPPSS
AANN
NN
EETTNNAA
AA
GGIIGG
BB
UU
SS
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
11
PPJJ
11DDEE
LL NNEEEERRGG
4411DDAAPP
44PPJJ
3311RR KK7744
rroo..MM
..NN
44DDAAPP
55RR mmhhOO00
1111RR ..MM
..
NN
66RR mmhhOO
00
44
RR ..
MM
..
NN
22DDAAPP
2211DDAAPP
0011RR
KK77..44
66DDAAPP
11AA11UU
3Vin
1GND
Vout 2
TTTT//EE22003333
--TT11007711PPCCMM
99CC FF
uu11
22PPJJ
66CC
nn0000
11
33CC
nn0011
77RR mmhhOO00
99RR KK77..44
88CC
uu0011 VV
33
..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
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DocID027158 Rev 1 9/9