STM8S003F3P6TR STMicroelectronics, STM8S003F3P6TR Datasheet - Page 62

• Manufacturer Part Number: STM8S003F3P6TR
• Description: STM8 Series 8-bit 8 KB Flash 1 KB RAM 16 MHz Microcontroller - TSSOP-20
• Manufacturer: STMicroelectronics

Electrical characteristics
9.3.4
62/100
Symbol
(1)
(2)
small R
(3)
(4)
MHz oscillation is reached. This value is measured for a standard crystal resonator and it can vary
significantly with the crystal manufacturer.
f
HSI
The oscillator selection can be optimized in terms of supply current using a high quality resonator with
C is approximately equivalent to 2 x crystal Cload.
Data based on characterization results, not tested in production.
t
SU(HSE)
m
value. Refer to crystal manufacturer for more details
is the start-up time measured from the moment it is enabled (by software) to a stabilized 16
HSE oscillator critical g
g
R
L
C
Co: Shunt capacitance (see crystal specification)
C
g
Internal clock sources and timing characteristics
Subject to general operating conditions for V
High speed internal RC oscillator (HSI)
mcrit
m
m
m
m
L1
Parameter
Frequency
: Notional inductance (see crystal specification)
: Notional resistance (see crystal specification)
: Notional capacitance (see crystal specification)
>> g
= C
= (2 × Π × f
L2
mcrit
= C: Grounded external capacitance
R m
C m
L m
Resonator
HSE
C O
Table 33: HSI oscillator characteristics
)
Conditions
2
× R
Figure 18: HSE oscillator circuit diagram
m
m
(2Co + C)
equation
C L1
C L2
DocID018576 Rev 3
2
Resonator
OSCOUT
DD
OSCIN
and T
Min
A
.
R F
g m
Typ
STM8S003K3 STM8S003F3
16
Consumption
control
f HSE to core
Max
STM8
Unit
MHz