STEVAL-IPE012V1 STMicroelectronics, STEVAL-IPE012V1 Datasheet - Page 78
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
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- Download datasheet (2Mb)
Electrical parameters
Table 31.
1. C=
2. The oscillator selection can be optimized in terms of supply current using a high quality resonator with small R
3. Data guaranteed by Design. Not tested in production.
4. t
Figure 17. HSE oscillator circuit diagram
78/122
t
SU(HSE)
Symbol
I
R
L
C
DD(HSE)
m
m
m
Refer to crystal manufacturer for more details
value is measured for a standard crystal resonator and it can vary significantly with the crystal manufacturer.
f
C
SU(HSE)
HSE
R
g
Resonator
(1)
m
C
F
L1
C
(4)
=
O
C
is the startup time measured from the moment it is enabled (by software) to a stabilized 16 MHz oscillation. This
L2
High speed external oscillator
frequency
Feedback resistor
Recommended load capacitance
HSE oscillator power consumption
Oscillator transconductance
Startup time
is approximately equivalent to 2 x crystal C
HSE crystal/ceramic resonator oscillator
The HSE clock can be supplied with a 1 to 16 MHz 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...).
HSE oscillator characteristics
HSE oscillator critical g
R
C
C
g
g
m
m
m
L1
mcrit
: Motional resistance (see crystal specification), L
: Motional capacitance (see crystal specification), Co: Shunt capacitance (see crystal specification),
>> g
=C
L2
mcrit
=C: Grounded external capacitance
=
(
2 Π
Parameter
×
C
C
×
L1
L2
f
HSE
)
2
Resonator
×
R
m
m
formula
(
2Co
(2)
OSC_IN
OSC_OUT
Doc ID 15962 Rev 6
+
V
LOAD
f
f
OSC
C
OSC
DD
Conditions
C = 20 pF,
C = 10 pF,
)
m
2
.
: Motional inductance (see crystal specification),
is stabilized
= 16 MHz
=16 MHz
R
g
3.5
F
m
Min
1
(3)
Consumption
Typ
200
control
20
1
STM8L151xx, STM8L152xx
f
HSE
to core
0.46 (stabilized)
0.7 (stabilized)
2.5 (startup)
2.5 (startup)
Max
16
STM8
m
value.
(3)
(3)
mA/V
MHz
Unit
mA
kΩ
ms
pF
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