SC16C2550B

General description

The SC16C2550B is a two channel Universal Asynchronous Receiver and Transmitter (UART) used for serial data communications. Its principal function is to convert parallel data into serial data and vice versa. The UART can handle serial data rates up to 5 Mbit/s.

The SC16C2550B is pin compatible with the ST16C2550. It will power-up to be functionally equivalent to the 16C2450. The SC16C2550B provides enhanced UART functions with 16-byte FIFOs, modem control interface, DMA mode data transfer. The DMA mode data transfer is controlled by the FIFO trigger levels and the TXRDY and RXRDY signals. On-board status registers provide the user with error indications and operational status. System interrupts and modem control features may be tailored by software to meet specific user requirements. An internal loop-back capability allows on-board diagnostics. Independent programmable baud rate generators are provided to select transmit and receive baud rates.

The SC16C2550B operates at 5 V, 3.3 V and 2.5 V and the industrial temperature range, and is available in plastic PLCC44, LQFP48, DIP40 and HVQFN32 packages.

Features

• 2 channel UART
• 5 V, 3.3 V and 2.5 V operation
• 5 V tolerant inputs
• Industrial temperature range
• Pin and functionally compatible to 16C2450 and software compatible with INS8250, SC16C550
• Up to 5 Mbit/s data rate at 5 V and 3.3 V and 3 Mbit/s at 2.5 V
• 16-byte transmit FIFO to reduce the bandwidth requirement of the external CPU
• 16-byte receive FIFO with error flags to reduce the bandwidth requirement of the external CPU
• Independent transmit and receive UART control
• Four selectable Receive FIFO interrupt trigger levels
• Software selectable baud rate generator
• Standard asynchronous error and framing bits (Start, Stop and Parity Overrun Break)
• Transmit, Receive, Line Status and Data Set interrupts independently controlled
• Fully programmable character formatting:
• 5-bit, 6-bit, 7-bit or 8-bit characters
• Even, odd or no-parity formats
• 1, 1 1/2 or 2-stop bit
• Baud generation (DC to 5 Mbit/s)
• False start-bit detection
• Complete status reporting capabilities
• 3-state output TTL drive capabilities for bidirectional data bus and control bus
• Line break generation and detection
• Internal diagnostic capabilities:
• Loop-back controls for communications link fault isolation
• Prioritized interrupt system controls
• Modem control functions (CTS, RTS, DSR, DTR, RI, DCD)

Products/packages

Pricing/ordering/availability

Applications

Related applications
Cellular phone - MMS functionality
LCD TV - MMS functionality
Set-top box - MMS functionality

Design support

Application Notes

AN10249_2; AN10249 SC16C752/SC16C752B/SC16C2550/SC16C2550B ISA bus hardware interface example (25-Jun-04)

AN10257_1; Differences between Philips SC16C devices and Philips low power SC16CxxxB devices (30-Mar-04)

AN10307_2; UART to Bluetooth interfacing (11-Aug-04)

AN10319_1; 8051 microcontroller to UART serial interface evaluation board (26-Aug-04)

AN10333_2; SC16CXXXB baud rate deviation tolerance (06-Dec-04)

AN10353_1; Application of UART in GPS navigation system (01-Mar-05)

Support Documents

75014636; Getting more from distribution (2005-02-01)

75013484; Industrial UART Product and 16CxxxB UART Product Line Card (2005-01-04)

75014624; Philips industrial and 16C UARTs selection guide (2005-06-01)

75013984; SC16xxxB UARTS One/two/four channel low power, low voltage 16C UARTS (2004-04-01)

75011568; Sample kit feature list (2003-05-01)

Parametrics/similar products

Similar products
SC16C2550B links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

Print / Email

• Print this information
• Email this information

Disclaimer

The information published on product information pages of the www.nxp.com or www.semiconductors.com websites is an extract from product data sheets and is for information purposes only. For detailed information please check the most recent version of the relevant product data sheet as published on these websites. In the event of any conflict between product information pages and data sheets or deviations from information provided in the product data sheets on these product information pages, the information provided in the product data sheets shall prevail.

The product status of the product(s) described in the product data sheet may have changed since publication of the data sheet and therefore information in datasheets on product status may be outdated. The latest information on product status is published on the product information pages of the above-mentioned websites.

As from October 1st, 2006 Philips Semiconductors has a new trade name - NXP Semiconductors, which will be used in future data sheets together with new contact details. In data sheets where the previous Philips references remain, please use the new links as shown below.

http://www.philips.semiconductors.com use http://www.nxp.com

http://www.semiconductors.philips.com use http://www.nxp.com (Internet)

sales.addresses@www.semiconductors.philips.com use salesaddresses@nxp.com (e-mail)

The copyright notice at the bottom of each page (or elsewhere in the document, depending on the version)
- © Koninklijke Philips Electronics N.V. (year). All rights reserved -
is replaced with:
- © NXP B.V. (year). All rights reserved.-

If you have any questions related to the data sheet, please contact our nearest sales office via e-mail or phone (details via salesaddresses@nxp.com). Thank you for your cooperation and understanding.