STM8S903K3U3 STMicroelectronics, STM8S903K3U3 Datasheet - Page 17

• 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

STM8S903K3 STM8S903F3
4.14
4.14.1
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Internal reference voltage
Channel AIN7 is internally connected to the internal reference voltage. This internal reference
is constant and can be used, for example, to monitor V
V
Communication interfaces
The following communication interfaces are implemented:
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UART1
Main features
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Asynchronous communication (UART mode)
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DD
Conversion time: 14 clock cycles
Single and continuous and buffered continuous conversion modes
Buffer size (n x 10 bits) where n = number of input channels
Scan mode for single and continuous conversion of a sequence of channels
Analog watchdog capability with programmable upper and lower thresholds
Internal reference voltage on channel AIN7
Analog watchdog interrupt
External trigger input
Trigger from TIM1 TRGO
End of conversion (EOC) interrupt
UART1: Full feature UART, synchronous mode, SPI master mode, Smartcard mode, IrDA
mode, single wire mode, LIN2.1 master capability
SPI : Full and half-duplex, 8 Mbit/s
I²C: Up to 400 Kbit/s
One Mbit/s full duplex SCI
SPI emulation
High precision baud rate generator
Smartcard emulation
IrDA SIR encoder decoder
LIN master mode
Single wire half duplex mode
Full duplex communication - NRZ standard format (mark/space)
Programmable transmit and receive baud rates up to 1 Mbit/s (f
following any standard baud rate regardless of the input frequency
Separate enable bits for transmitter and receiver
Two receiver wakeup modes:
-
-
and ambient temperature T
Address bit (MSB)
Idle line (interrupt)
DocID15590 Rev 5
A
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DD
. It is independent of variations in
CPU
/16) and capable of
Product overview
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