XR16C854DIV-F

EXAR  XR16C854DIV-F  接口, UART, 4通道, 2 Mbps, 2.97 V, 5.5 V, LQFP, 64 引脚

The is an enhanced quad Universal Asynchronous Receiver and Transmitter UART each with 128 bytes of transmit and receive FIFOs, transmit and receive FIFO counters and trigger levels, automatic hardware and software flow control and data rates of up to 2Mbps. Each UART has a set of registers that provide the user with operating status and control, receiver error indications and modem serial interface controls. System interrupts may be tailored to meet design requirements. An internal loopback capability allows onboard diagnostics. The 64-pin package only offers the 16 mode interface.

.

Register set compatible to 16C550

.

Transmit and receive FIFOs of 128 bytes

.

Programmable TX and RX FIFO trigger level

.

Transmit and receive FIFO level counters

.

Automatic hardware RTS/CTS flow control

.

Selectable auto RTS flow control hysteresis

.

Automatic software Xon/Xoff flow control

.

Wireless infrared IrDA 1.0 encoder/decoder

.

200µA Typical sleep mode