ST Microelectronics SPBTLERF Datasheet
SPBTLE-RF
Bluetooth® V4.1 Smart module
Jan 2015 - rev 0.1
This is preliminary information on a new product now in development or undergoing evaluation. Details are
subject to change without notice. www.st.com
www.st.com
Product preview
Features
Bluetooth Radio
- Bluetooth specification v4.1 compliant
- Master and slave Smart Bluetooth network
processor module
- Embedded Bluetooth low energy protocol
stack: GAP, GATT, SM, L2CAP, LL,
RF-PHY
- Bluetooth low energy profiles provided
separately
Preliminary module picture
11.5 mm x 13.5 mm x 2.0 mm
- Operating temperature range: -40°C to
85°C
Host Interface
- SPI, IRQ, and RESET
Antenna on board
CE, FCC, IC qualified
BQE certified
SPBTLE-RF
1 Description
The SPBTLE-RF is an easy to use Bluetooth® module, compliant with Bluetooth® v4.1.
The module provides a complete RF platform in a tiny form factor.
The SPBTLE-RF enables wireless connectivity into electronic devices, not requiring any
RF experience or expertise for integration into the final product. The SPBTLE-RF
module, being a certified solution, optimizes the time to market of the final applications.
The module has been designed for maximum performance in a minimal space.
Optimized design allows the integration of a complete working Bluetooth® modem in the
minimum possible size. Module interface is SPI serial interface.
2 Applications
Watches
Fitness, wellness and sports
Consumer medical
Security/proximity
Remote control
Home and industrial automation
Assisted living
Mobile phone peripherals
PC peripherals
P a g e | 2 Rev 0.1
SPBTLE-RF
RF antenna
Battery or External Supply
SPI LINE
BLUETOOTH
BLUENRG
Host Controller
interface
External LPO
(32.768 kHz)
32.768 kHz
BLUETOOTH L.E.. 2014 Module
Crystal
32 MHz
clock
SUPPLY FILTER
Bead Ferrite
RF
BALUN
+ Filter
Internal / Ext.
32.768 kHz
clock
INTERNAL 2.45 GHz
3 Block Diagram
Figure 1. HW block diagram
OPTIONAL PIN FUNCTION
Rev 0.1 P a g e | 3
SPBTLE-RF
4 Software Architecture
Bluetooth Firmware implementation
Figure 2. SPBTLE-RF Application Block Diagaram
P a g e | 4 Rev 0.1
SPBTLE-RF
Rating
Min
Typical
Max
Unit
Storage temperature range
-40 - +85
°C
Supply voltage, VIN
-0.3 - + 3.9
Volts
I/O pin Voltage
(V
IO
five-volt tolerant pin)
-0.3 - + 3.9
Volts
RF saturation input power
-
8
-
dBm
Rating
Min
Typical
Max
Unit
Operating Temperature Range
-40 - 85
°C
Supply Voltage VIN
2.0
3.3
3.6
Volts
Signals & I/O Pin Voltage
(according Supply Voltage)
2.0 - 3.6
Volts
RF Frequency
2402 - 2480
MHz
5 Hardware Specifications
General Conditions (VIN= 2.2V and 25°C)
5.1 Absolute Maximum Ratings
Table 1. Absolute maximum rating
5.2 Recommended Operating Conditions
Table 2. Recommended operating conditions
5.3 Pin assignement
Figure 3. Pin connection
Rev 0.1 P a g e | 5
SPBTLE-RF
Name
Type
Pin #
Description
ALT Function
V max. Tolerant
Initial State
SPI Interface
SPI_IRQ
O
4
SPI IRQ(SLAVE has data for MASTER)
Vin
SPI_CLK
I
7
SPI CLOCK (Max. 8 MHz)
Vin
SPI_MISO
O
8
SPI MISO (MASTER in / SLAVE out)
Vin
SPI_MOSI
I
9
SPI MOSI (MASTER out SLAVE in)
Vin
SPI_CS
I
10
SPI “Chip Select” (SPI slave select)
Vin
Power and Ground
Vin 5
Vin
(2.0V + 3.6V max.)
GND
6
GND
Reset
BT_RESET
I
11
Reset input (active low < 0.35 Vin)
(2.0V + 3.6V max.).
LPO
EXT_LPCLK
I
1
Not connected / Optional pin function
(2.0V + Vin max.).
GPIO2
I/O
2
Not connected
ANA TEST 0
I
3
Not connected
Table 3. Pin Assignement
P a g e | 6 Rev 0.1
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