STM8L151G2 STMicroelectronics, STM8L151G2 Datasheet - Page 67
STM8L151G2
Manufacturer Part Number
STM8L151G2
Description
STM8L-Ultra Low Power-8 bits Microcontrollers
Manufacturer
STMicroelectronics
Datasheet
1.STM8L151G2.pdf
(111 pages)
Specifications of STM8L151G2
Operating Power Supply
1.65 to 3.6 V (without BOR), 1.8 to 3.6 V (with BOR)
Temperature Range
-40 to 85 or 125 °C
5 Low Power Modes
Wait, Low power run, Low power wait, Active-halt with RTC, Halt
Ultralow Leakage Per I/0
50 nA
Fast Wakeup From Halt
5 μs
Max Freq
16 MHz, 16 CISC MIPS peak
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
STM8L151G2U6
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Quantity:
10 000
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STM8L151x2, STM8L151x3
Table 28.
1. C=
2. The oscillator selection can be optimized in terms of supply current using a high quality resonator with a small R
3. Data guaranteed by Design. Not tested in production.
4.
Figure 17. LSE oscillator circuit diagram
t
SU(LSE)
Symbol
I
R
L
C
DD(LSE)
m
m
m
Refer to crystal manufacturer for more details.
This value is measured for a standard crystal resonator and it can vary significantly with the crystal manufacturer.
f
C
t
LSE
R
g
Resonator
SU(LSE)
(1)
m
C
F
L1
C
(4)
=
O
C
L2
is the startup time measured from the moment it is enabled (by software) to a stabilized 32.768 kHz oscillation.
Low speed external oscillator
frequency
Feedback resistor
Recommended load capacitance
LSE oscillator power consumption
Oscillator transconductance
Startup time
is approximately equivalent to 2 x crystal C
LSE crystal/ceramic resonator oscillator
The LSE clock can be supplied with a 32.768 kHz crystal/ceramic resonator oscillator. All
the information given in this paragraph is based on characterization results with specified
typical external components. In the application, the resonator and the load capacitors have
to be placed as close as possible to the oscillator pins in order to minimize output distortion
and startup stabilization time. Refer to the crystal resonator manufacturer for more details
(frequency, package, accuracy...).
LSE oscillator characteristics
Parameter
C
C
L1
L2
Resonator
OSC_OUT
(2)
Doc ID 018780 Rev 3
OSC_IN
LOAD
V
ΔV = 200 mV
DD
V
V
Conditions
V
DD
DD
.
DD
is stabilized
= 1.8 V
= 3.6 V
= 3 V
R
g
F
m
Min
3
(3)
Consumption
32.768
control
Typ
450
600
750
1.2
8
1
f
LSE
Electrical parameters
1.4
Max
(3)
STM8
m
value.
67/111
µA/V
Unit
kHz
MΩ
µA
nA
pF
s
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