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XR16C2852 - 3.3V AND 5V DUART WITH 128-BYTE FIFO

General Description

The XR16C28521 (2852) is a dual universal asynchronous receiver and transmitter (UART).

The device operates at 3.3V and 5V and is pin-to-pin compatible to Exar’s ST16C2552 and XR16L2752.

Key Features

  • It supports the Exar’s enhanced features of 128 bytes of TX and RX FIFOs, programmable FIFO trigger level and FIFO level counters, automatic hardware (RTS/CTS) and software flow control, automatic RS-485 half duplex direction control output and a complete modem interface. Onboard registers provide the user with operational status and data error flags. An internal loopback capability allows system diagnotics. Independent programmable baud rate generators are provided in each channel to select da.

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Other Datasheets by Exar (now MaxLinear)

Part Number Description
XR16C2850 2.97V TO 5.5V DUAL UART
XR16C2450 2.97V TO 5.5V DUART
XR16C2550 2.97V TO 5.5V DUART
XR16C2552 2.97V TO 5.5V DUAL UART
XR16C850 UART with 128-byte FIFOs FIFO Counters and Half-duplex Control

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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áç APRIL 2002 XR16C2852 3.3V AND 5V DUART WITH 128-BYTE FIFO REV. 2.0.0 GENERAL DESCRIPTION The XR16C28521 (2852) is a dual universal asynchronous receiver and transmitter (UART). The device operates at 3.3V and 5V and is pin-to-pin compatible to Exar’s ST16C2552 and XR16L2752. The 2852 register set is compatible to the ST16C2552 and the XR16C2752 enhanced features. It supports the Exar’s enhanced features of 128 bytes of TX and RX FIFOs, programmable FIFO trigger level and FIFO level counters, automatic hardware (RTS/CTS) and software flow control, automatic RS-485 half duplex direction control output and a complete modem interface. Onboard registers provide the user with operational status and data error flags. An internal loopback capability allows system diagnotics.