Datasheet

DS7147 Rev 10 19/103
STM8S003F3 STM8S003K3 Product overview
29
4.14.1 UART1
Main features
• 1 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 (f
CPU
/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 (f
CPU
/16)
LIN master mode
• Emission: generates 13-bit synch. break frame
• Reception: detects 11-bit break frame
4.14.2 SPI
• Maximum speed: 8 Mbit/s (f
MASTER
/2) both for master and slave
• Full duplex synchronous transfers
• Simplex synchronous transfers on two lines with a possible bidirectional data line
• Master or slave operation - selectable by hardware or software
• CRC calculation
• 1 byte Tx and Rx buffer
• Slave/master selection input pin
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