ALPWISE BLEM003 User Manual
ALPW-BLEM003
Bluetooth® Smart Embedded Module
Datasheet
ALPWISE S.A.S. – LE PULSAR, 4 Avenue Doyen Louis Weil, 38000 GRENOBLE, France
Tel: +33 4 76 22 02 24– Email: alpwisesales@alpwise.com –
Tel: +33 4 76 22 02 24– Email: alpwisesales@alpwise.com –
Revision 1.2
5
2.4
Clocking
2.4.1
Module Clocking
The Cortex M0 microcontroller is clocked by its
own High Speed Internal (HSI) RC oscillator. The
HSI oscillator delivers an 8MHz clock reference.
The microcontroller can run up to 48MHz through
the PLL.
own High Speed Internal (HSI) RC oscillator. The
HSI oscillator delivers an 8MHz clock reference.
The microcontroller can run up to 48MHz through
the PLL.
Sym
Description
Value
Unit
F
SYS
System
operating
frequency
32.768 to
48000
kHz
F
HSI
High-Speed
Internal
Frequency
8
MHz
F
LSI
Low-Speed
Internal
Frequency
30 to 50
kHz
Ts
HSI
High-Speed
Oscillator
Startup time
1 to 2
µs
Ts
LSI
Low-Speed
Oscillator
Startup time
Max 85
µs
3 Device operating requirements
3.1
Absolute Maximum Ratings
The absolute maximum ratings listed below have
not been tested, and correspond to the main
components specifications. Stresses beyond those
limits may cause permanent damage to the
module.
not been tested, and correspond to the main
components specifications. Stresses beyond those
limits may cause permanent damage to the
module.
Sym
Description
Value
Unit
V
DD
Supply Voltage
-0.2 to 3.8
V
V
IN
Input Voltage on any
pin
pin
0.2 to 4.0
V
ΔV
SS
Voltage difference
between ground pins
between ground pins
Max 10
mV
V
RFIN
Input RMS Voltage on
RF pin
RF pin
Max 2.1
V
3.2
Recommended
operating
conditions
Sym
Description
Value
Unit
V
DD
Supply Voltage
2.7 to 3.3
V
T
OPNom
Operational
Temperature Range
Temperature Range
-20 to
+55°C
+55°C
°C
I
Max
Maximum
Input
Current
20
mA
3.3
Power Consumption
3.3.1
Static System current consumption
T= 25°C
Sym
Description
Value
Unit
I
PEAK
Typical Peak Current
19
mA
I
Idle
Idle Mode Current
294
µA
I
Sleep
Sleep Mode Current
24
µA
I
Deep-
Sleep
Deep
Sleep
Mode
Current
13
µA
3.3.2
Bluetooth® Low Energy Application
System current consumption
System current consumption
T= 25°C, P
RFout
=+3dbm
Sym
Description
Value
Unit
I
ADV_1
Classic
Advertising
(200ms)
244
µA
I
ADV_2
Classic Advertising (5s)
67
µA
I
ADV_3
Smart Advertising (5s)
1
34
µA
I
CON_1
Connected mode (1.28s
Interval)
Interval)
138
µA
I
CON_2
Connected mode (4.0s
Interval)
Interval)
85
µA
Figure6.: Average Consumption
3.4
Electrical Characteristics
3.4.1
Digital interface Characteristics
Sym
Description
Value
Unit
UART
BR
UART Baud Rate
Max
1843.2
kBd/s
3.4.2
Module Timing Characteristics
Sym
Description
Value
Unit
T
Start-up
Start Up time
15.5
ms
T
Sleep to
idle
Sleep to Idle Mode
time
time
2.6
ms
T
Deep-
Sleep
to
Idle
Deep-Sleep
to
Idle
Mode time
2.7
ms
3.4.3
RF General Characteristics
Sym
Description
Value
Unit
F
Operating RF band
2.4-2.483
GHz
DR
On-air data rate
1
Mb/s
Ch
Channel spacing
2
MHz
Receiver
Z
Z
in
Input Impedance
50
Ω
S
in
Sensitivity
-80
dBm
P
in max
Maximum input power
-5
dBm
Transmitter
P
P
RF
Output RF Power
-18 to +3
dBm
D
m
Typical Range
20
m
1
The Smart Advertising feature allows 10µA
power consumption between advertising peaks.