STM8/128-EVAL STMicroelectronics, STM8/128-EVAL Datasheet - Page 67
![BOARD EVAL FOR STM8S](/photos/9/22/92265/stm8_128-eval_sml.jpg)
STM8/128-EVAL
Manufacturer Part Number
STM8/128-EVAL
Description
BOARD EVAL FOR STM8S
Manufacturer
STMicroelectronics
Type
MCUr
Datasheets
1.STEVAL-MKI030V1.pdf
(105 pages)
2.STM8128-EVAL.pdf
(41 pages)
3.STM8128-EVAL.pdf
(3 pages)
Specifications of STM8/128-EVAL
Mfg Application Notes
STM8S Getting Started
Contents
Evaluation Board
Silicon Manufacturer
ST Micro
Core Architecture
STM8
Core Sub-architecture
STM8
Silicon Core Number
STM8
Silicon Family Name
STM8S2xx
Kit Contents
Board
For Use With/related Products
STM8S2xx
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8506
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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