STM8S903K3 datasheet(19/121 Pages) STMICROELECTRONICS

Part #	STM8S903K3

Description	16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, IC

PDF	121 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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19 / 121 page

DocID15590 Rev 10

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STM8S903K3 STM8S903F3

Product overview

4.14

Communication interfaces

The following communication interfaces are implemented:



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

4.14.1

UART1

Main features



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

Asynchronous communication (UART mode)



Full duplex communication - NRZ standard format (mark/space)



Programmable transmit and receive baud rates up to 1 Mbit/s (fCPU/16) and capable

of following any standard baud rate regardless of the input frequency



Separate enable bits for transmitter and receiver



Two receiver wakeup modes:

–

Address bit (MSB)

–

Idle line (interrupt)



Transmission error detection with interrupt generation



Parity control

Synchronous communication



Full duplex synchronous transfers



SPI master operation



8-bit data communication



Maximum speed: 1 Mbit/s at 16 MHz (fCPU/16)

LIN master mode



Emission: Generates 13-bit synch. break frame



Reception: Detects 11-bit break frame

STM8S903K3 Datasheet(PDF) 19 Page - STMicroelectronics

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