STM8AF51XX datasheet(21/100 Pages) STMICROELECTRONICS

21 / 100 page

STM8AF61xx, STM8AF51xx

Product overview

21/100

Full duplex, asynchronous communication

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NRZ standard format (mark/space)

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High-precision baud rate generator system

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Common programmable transmit and receive baud rates up to 2.5 M baud

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Programmable data word length (8 or 9 bits)

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Configurable stop bits providing support for 1 or 2 stop bits

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LIN master mode

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LIN break and delimiter generation

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LIN break and delimiter detection with separate flag and interrupt source for read-

back checking

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Transmitter clock output for synchronous communication

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Single wire half duplex communication

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Separate enable bits for transmitter and receiver

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Transfer detection flags

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Receive buffer full

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Transmit buffer empty

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End of transmission flags

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Parity control:

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Transmit parity bit

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Check parity of received data byte

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Four error detection flags

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Overrun error

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Noise error

–Frame error

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Parity error

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Six interrupt sources with flags

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Transmit data register empty

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Transmission complete

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Receive data register full

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Idle line received

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Parity error

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LIN break and delimiter detection

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Two interrupt vectors

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Transmitter interrupt

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Receiver interrupt

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Reduced power consumption mode

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Multi-processor communication, allowing entry into mute mode if address match does

not occur

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Wakeup from mute mode (by idle line detection or address mark detection)

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Two receiver wakeup modes:

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Address bit (MSB)

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Idle line

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