TL16C754BFN .

The TL16C754BFN is a quad Universal Asynchronous Receiver/Transmitter (UART) with 64-byte FIFOs, automatic hardware/software flow control and data rates up to 3Mbps. The TL16C754B offers enhanced features. It has a transmission control register (TCR) that stores received FIFO threshold level to start/stop transmission during hardware and software flow control. With the FIFO RDY register, the software gets the status of TXRDY/RXRDY for all four ports in one access. On-chip status registers provide the user with error indications, operational status and modem interface control. System interrupts may be tailored to meet user requirements. An internal loopback capability allows onboard diagnostics. The UART transmits data sent to it from the peripheral 8-bit bus on the TX signal and receives characters on the RX signal. The UART has a 64-byte receive FIFO and transmit FIFO and can be programmed to interrupt at different trigger levels.

• 64-byte Transmit FIFO
• 64-byte Receive FIFO with error flags
• Programmable receive FIFO trigger levels for software/hardware flow control
• Software/hardware flow control
• Programmable Xon/Xoff characters
• Programmable Auto-RTS\ and Auto-CTS\
• DMA signalling capability for both received and transmitted data
• Software selectable baud rate generator
• Prescaler provides additional divide-by-4 function
• Programmable sleep mode
• Even, odd or no-parity bit generation and detection
• False start bit detection
• Complete status reporting capabilities in both normal and Sleep mode
• Line break detection and generation
• Internal test and loopback capabilities
• Fully prioritized interrupt system controls
• Modem control functions (CTS\, RTS\, DSR\, DTR\, RI\ and CD\)
• Green product and no Sb/Br

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