STEVAL-MKI029V1 STMicroelectronics, STEVAL-MKI029V1 Datasheet - Page 67
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STEVAL-MKI029V1
Manufacturer Part Number
STEVAL-MKI029V1
Description
BOARD DEMO STM8S207R6/LIS331DLH
Manufacturer
STMicroelectronics
Series
MEMSr
Datasheets
1.STEVAL-MKI009V1.pdf
(42 pages)
2.STEVAL-MKI022V1.pdf
(38 pages)
3.STEVAL-MKI030V1.pdf
(105 pages)
4.STEVAL-MKI029V1.pdf
(4 pages)
Specifications of STEVAL-MKI029V1
Sensor Type
Accelerometer, 3 Axis
Sensing Range
±2g, 4g, 8g
Interface
I²C, SCI
Sensitivity
3.9mg/digit, 2mg/digit, 1mg/digit
Voltage - Supply
4.5V
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
LIS331DLH, STM8S207R6T6
Sensing Axis
Double Axis
Operating Voltage
5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8851
STM8S207xx, STM8S208xx
Table 32.
1. C is approximately equivalent to 2 x crystal Cload.
2. The oscillator selection can be optimized in terms of supply current using a high quality resonator with small R
3. Data based on characterization results, not tested in production.
4.
Figure 17. HSE oscillator circuit diagram
HSE oscillator critical g
R
L
C
Co: Shunt capacitance (see crystal specification)
C
g
g
t
m
m
SU(HSE)
mcrit
m
m
L1
Symbol
I
DD(HSE)
: Notional inductance (see crystal specification)
Refer to crystal manufacturer for more details
reached. This value is measured for a standard crystal resonator and it can vary significantly with the crystal manufacturer.
: Notional resistance (see crystal specification)
: Notional capacitance (see crystal specification)
f
>> g
C
t
=C
HSE
R
g
SU(HSE)
(1)
m
F
R
L
C
=
L2
m
m
m
mcrit
(4)
Resonator
=C: Grounded external capacitance
2
is the start-up time measured from the moment it is enabled (by software) to a stabilized 24 MHz oscillation is
C
External high speed oscillator
frequency
Feedback resistor
Recommended load capacitance
HSE oscillator power consumption
Oscillator transconductance
Startup time
O
HSE oscillator characteristics
f
HSE
2
Parameter
R
m
m
formula
2Co
C
C
L1
L2
+
C
2
Resonator
(2)
Doc ID 14733 Rev 11
V
OSCIN
OSCOUT
f
f
OSC
OSC
DD
Conditions
C = 20 pF,
C = 10 pF,
is stabilized
= 24 MHz
= 24 MHz
Min
1
5
R
g
F
m
Typ
220
1
Consumption
Electrical characteristics
control
f
1.5 (stabilized)
HSE
2 (stabilized)
6 (startup)
6 (startup)
to core
Max
24
20
m
value.
(3)
STM8
(3)
67/105
mA/V
MHz
Unit
mA
ms
k
pF