SC16C750 Datasheet | NXP Semiconductors

description The SC16C750 is a Universal Asynchronous Receiver and Transmitter (UART) used for serial data munications. Its principal function is to convert parallel data into serial data, and vice versa. The UART can handle serial data rates up to 3 Mbits/s. The SC16C750 is pin patible with the TL16C750 and it will power-up to be functionally equivalent to the 16C450. Programming of control registers enables the added features of the SC16C750. Some of these added features are the 64-byte receive and transmit FIFOs, automatic hardware flow control. The selectable auto-flow control feature significantly reduces software overload and increases system efficiency while in FIFO mode by automatically controlling serial data flow using RTS output and CTS input signals. The SC16C750 also provides DMA mode data transfers through FIFO trigger levels and the TXRDY and RXRDY signals. On-board 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 loop-back capability allows on-board diagnostics. The SC16C750 operates at 5 V, 3.3 V and 2.5 V, the industrial temperature range and is available in plastic PLCC44 and LQFP64 packages. 2. Features s s s s s s s s s 5 V, 3.3 V and 2.5 V operation Industrial temperature range After reset, all registers are identical to the typical 16C450 register set Capable of running with all existing generic 16C450 software Pin patibility with the industry-standard ST16C450/550, TL16C450/550, PC16C450/550 Up to 3 Mbits/s transmit/receive operation at 5 V, 2 Mbits/s at 3.3 V, and 1 Mbit/s at 2.5 V 64 byte transmit FIFO 64 byte receive FIFO with error flags Programmable auto-RTS and auto-CTS x In auto-CTS mode, CTS controls transmitter x In auto-RTS mode, Rx FIFO contents and threshold control RTS Automatic hardware flow control Software selectable Baud Rate Generator Four selectable Receive interrupt trigger levels Standard modem...