STM8S903K3U6 STMicroelectronics, STM8S903K3U6 Datasheet - Page 64

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STM8S903K3U6

Manufacturer Part Number
STM8S903K3U6
Description
IC MCU 8BIT 8KB FLASH 32UFQFPN
Manufacturer
STMicroelectronics
Series
STM8Sr
Datasheet

Specifications of STM8S903K3U6

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STM32 Cortex-M3 Companion Products
Core Processor
STM8
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
28
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
640 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.95 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Core
STM8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Electrical characteristics
64/113
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 18: 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 5
is stabilized
= 16 MHz
=16 MHz
2
Resonator
OSCOUT
OSCIN
Min
5
Typ
220
1
Max
20
6 (startup)
1.6 (stabilized)
6 (startup)
1.2 (stabilized)
R F
g m
STM8S903K3 STM8S903F3
Consumption
control
f HSE to core
(3)
(3)
STM8
Unit
kΩ
pF
mA
mA/V
ms

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