STM8S903K3 STMicroelectronics, STM8S903K3 Datasheet - Page 67

• Manufacturer Part Number: STM8S903K3
• Description: 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM
• Manufacturer: STMicroelectronics

Specifications of STM8S903K3

• Program Memory: 8 Kbytes Flash; data retention 20 years at 55 °C after 10 kcycles
• Data Memory: 640 bytes true data EEPROM; endurance 300 kcycles
• Ram: 1 Kbytes
• Advanced Control Timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization

STM8S903K3 STM8S903F3
Symbol
R
C
I
g
t
(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.
DD(HSE)
SU(HSE)
m
F
(1)
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
(4)
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
Parameter
Feedback resistor
Recommended load
capacitance
HSE oscillator power
consumption
Oscillator
transconductance
Startup time
mcrit
= (2 × Π × f
R m
C m
L m
(2)
Resonator
HSE
C O
)
2
× R
Figure 19: HSE oscillator circuit diagram
m
m
Conditions
(2Co + C)
C = 20 pF,
f
C = 10 pF,
f
V
OSC
OSC
equation
DD
C L1
C L2
DocID15590 Rev 6
is stabilized
= 16 MHz
=16 MHz
2
Resonator
OSCOUT
OSCIN
Min
5
Typ
220
1
Max
R F
g m
1.6 (stabilized)
1.2 (stabilized)
Electrical characteristics
6 (startup)
6 (startup)
Consumption
control
f HSE to core
20
STM8
(3)
(3)
Unit
mA/V
mA
67/115
ms
kΩ
pF