STEVAL-IPE012V1 STMicroelectronics, STEVAL-IPE012V1 Datasheet - Page 79
STEVAL-IPE012V1
Manufacturer Part Number
STEVAL-IPE012V1
Description
EVAL BOARD ENERGY METER
Manufacturer
STMicroelectronics
Series
-r
Datasheets
1.STM8L151C4T6.pdf
(122 pages)
2.STEVAL-IPE012V1.pdf
(51 pages)
3.STEVAL-IPE012V1.pdf
(34 pages)
4.STEVAL-IPE012V1.pdf
(7 pages)
Specifications of STEVAL-IPE012V1
Design Resources
STEVAL-IPE012V1 Schematic STEVAL-IPE012V1 BOM
Main Purpose
Power Management, Energy/Power Meter
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
STPM10BTR, STM8L152
Primary Attributes
Single Phase with 1 Current Transformer & Shunt
Secondary Attributes
Tamper Detection
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-11462
- STM8L151C4T6 PDF datasheet
- STEVAL-IPE012V1 PDF datasheet #2
- STEVAL-IPE012V1 PDF datasheet #3
- STEVAL-IPE012V1 PDF datasheet #4
- Current page: 79 of 122
- Download datasheet (2Mb)
STM8L151xx, STM8L152xx
Table 32.
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 18. 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)
OSC_IN
Doc ID 15962 Rev 6
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.
79/122
µA/V
Unit
kHz
MΩ
µA
nA
pF
s
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