STM8S903K3U3 STMicroelectronics, STM8S903K3U3 Datasheet - Page 10

• Manufacturer Part Number: STM8S903K3U3
• Description: IC MCU 8BIT 8KB FLASH 32UFQFPN
• Manufacturer: STMicroelectronics
• Series: STM8Sr

Specifications of STM8S903K3U3

• 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 ~ 125°C
• Package / Case: *
• Core: STM8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block diagram
3
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Block diagram
Single wire
debug interf.
LIN master
SPI emul.
400 Kbit/s
1/2/4 kHz
channels
Up to 7
8 Mbit/s
beep
Reset
POR
Debug/SWIM
Reset block
STM8 core
Reset
UART1
I 2 C
SPI
ADC1
Beeper
BOR
DocID15590 Rev 5
Figure 1: Block diagram
Clock to peripherals and core
Clock controller
Detector
16-bit advanced control
16-bit general purpose
Independent WDG
timer (TIM1)
8-bit basic timer
XTAL 1-16 MHz
RC int. 16 MHz
RC int. 128 kHz
Window WDG
data EEPROM
Timer (TIM5)
640 bytes
8 Kbytes
program
1 Kbytes
(TIM6)
STM8S903K3 STM8S903F3
Flash
AWU timer
RAM
+ 3 complementary
3 CAPCOM
4 CAPCOM
channels
channels
outputs
Up to
Up to