STM8S903K3U6 STMicroelectronics, STM8S903K3U6 Datasheet - Page 64

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

Specifications of STM8S903K3U6

• Featured Product: 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

Electrical characteristics
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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