STEVAL-BTDP1
USB dongle for the Bluetooth® class 1 SPBT3.0DP1 module
Data brief
Description
The STEVAL-BTDP1 dongle demonstration tool
is exclusively designed for quick and easy
SPBT3.0DP1 module evaluation.
The dongle includes an RF antenna and a USB
connector to allow PC communication with the
Bluetooth
®
module and power the dongle.
The STEVAL-BTDP1 includes downloaded
firmware so you can create a Bluetooth
®
link
using simple AT commands (see user manual
UM2077 on www.st.com for the complete list of
AT commands).
Features
Based on the V3.0 Bluetooth
®
class 1
module SPBT3.0DP1
USB interface and power supply
Reprogramming support via USB interface
Reset button
On-board Antenna
RoHS compliant
May 2017
DocID030681 Rev 1
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www.st.com
For further information contact your local STMicroelectronics sales
office
Recommended operating
conditions
STEVAL-BTDP1
1
Recommended operating conditions
Table 1: Operating conditions
Symbol
V
DD
T
OP
Parameter
Board supply voltage
Operating case temperature range
Conditions
-40 °C < T < 85 °C
Min.
4.5
-40
Typ.
5
Max.
5.5
+85
Unit
V
°C
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STEVAL-BTDP1
I/O
connections
2
2.1
I/O connections
PAD description
PAD1 to PAD21 also allow user access to the SPBT3.0DP1 module.
Figure 1: Dongle component layout
Table 2: Pad connections
PAD n°
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Name
GPIO05
LDOUT
GPIO06
GPIO02
GPIO04
GPIO01
+3.3 V
LPO
GPIO13
GPIO14
GPIO07
GND
+5 V
GPIO03
BOOT0
RESETN
GPIO08
Boot pin used for firmware downloading
Connected in parallel to onboard reset switch
General purpose I/O
USB VCC
General purpose I/O
1.8 V LDO output, max 10 mA
General purpose I/O
General purpose I/O
General purpose I/O
LED2 is connected to this GPIO, LED2 is ON when SPBT3.0DP1 is in Active
State
LED3 is connected to this GPIO, LED3 is ON when Bluetooth link is up
LED1 is connected to module power
32.768 kHz
General purpose I/O
General purpose I/O
General purpose I/O
Description
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I/O
connections
PAD n°
18
19
20
21
Name
GPIO10
GPIO09
GPIO11
GPIO12
General purpose I/O
General purpose I/O
General purpose I/O
General purpose I/O
Description
STEVAL-BTDP1
Factory configuration - different configurations can be chosen (see the
SPBT3.0DP1 datasheet).
2.2
Reset switch
Reset switch SW1 on the dongle forces the SPBT3.0DP1 module to reset and the
information figured below is shown on the PC.
The actual BDAddress number may be different on your machine.
Figure 2: AT command prompt
2.3
Bootloader jumper
When Bootloader jumper (JP1) is closed, the SPBT3.0DP1 enters Bootloader mode after
reset.
Figure 3: Reset switch and Bootloader jumper
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STEVAL-BTDP1
Bootloader mode is used to update the module firmware.
I/O
connections
The STM32 Flash loader demonstrator GUI (see user manual UM0462 on www.st.com)
can be used to update the SPBT3.0DP1 module.
A detailed description of the firmware update procedure can be found in user manual
UM2077 on www.st.com.
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