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ST16C2552 Datasheet (PDF) - Exar Corporation

ST16C2552 Datasheet PDF - Exar Corporation
Part # ST16C2552
Download  ST16C2552 Download

File Size   375.32 Kbytes
Page   35 Pages
Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation
Description 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO

ST16C2552 Datasheet (PDF)

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ST16C2552 Datasheet PDF - Exar Corporation

Part # ST16C2552
Download  ST16C2552 Click to download

File Size   375.32 Kbytes
Page   35 Pages
Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation
Description 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO

ST16C2552 Datasheet (HTML) - Exar Corporation

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ST16C2552 Product details

GENERAL DESCRIPTION

The ST16C2552 (2552) is a dual universal asynchronous receiver and transmitter (UART). The ST16C2552 is an improved version of the PC16552 UART. The 2552 provides enhanced UART functions with 16 byte FIFOs, a modem control interface, and data rates up to 4 Mbps. Onboard status registers provide the user with error indications and operational status. System interrupts and modem control features may be tailored by external software to meet specific user requirements. Indepedendent programmable baud rate generators are privded to select transmit and receive clock rates from 50 Bps to 4 Mbps. The baud rate generator can be configured for either crystal or external clock input. An internal loop-back capability allows onboard diagnostics.



FEATURES

Added feature in devices with top marking "A2 YYWW" and newer:

■ 5 Volt Tolerant Inputs

   • Pin-to-pin and functionally compatible to National PC16552 and Exar’s XR16L2752 and XR16C2852

   • 4 Mbps transmit/receive operation (64 MHz External Clock Frequency)

   • 2 Independent UART Channels

■ Register Set Compatible to 16C550

■ 16 byte Transmit FIFO to reduce the bandwidth requirement of the external CPU

■ 16 byte Receive FIFO with error tags to reduce the bandwidth requirement of the external CPU

■ 4 selectable RX FIFO Trigger Levels

■ Fixed Transmit FIFO interrupt trigger level

■ Full Modem Interface (CTS#, RTS#, DSR#, DTR#, RI#, CD#)

   • DMA operation and DMA monitoring via TXRDY# and RXRDY# pins

   • UART internal register sections A & B may be written to concurrently

   • Multi-Function output allows more package functions with few I/O pins

   • Programmable character lengths (5, 6, 7, 8) with even, odd, or no parity

   • Crystal oscillator or external clock input

  

APPLICATIONS

• Portable Appliances

• Telecommunication Network Routers

• Ethernet Network Routers

• Cellular Data Devices

• Factory Automation and Process Controls



 




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About Exar Corporation


Exar Corporation is a semiconductor company that designs and manufactures a wide range of high-performance analog and mixed-signal integrated circuits (ICs). Their products are used in a variety of applications, including communications, networking, industrial, automotive, and consumer electronics.

Exar's portfolio includes analog-to-digital converters (ADCs), digital-to-analog converters (DACs), amplifiers, power management ICs, interface ICs, and timing and synchronization ICs. They also offer customized solutions for customers with unique requirements.

Exar has a long history in the semiconductor industry, with more than 40 years of experience. They are known for their expertise in signal conditioning and power management, and have a reputation for delivering high-quality, reliable products.

In 2017, Exar was acquired by MaxLinear, a leading provider of RF and mixed-signal ICs. The acquisition allowed MaxLinear to expand its product portfolio and strengthen its position in the data center and networking markets.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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