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SCC2681AE1N40 Datasheet (PDF) - NXP Semiconductors

SCC2681AE1N40 Datasheet PDF - NXP Semiconductors
Part No. SCC2681AE1N40
Download  SCC2681AE1N40 Click to view

File Size   204.65 Kbytes
Page   29 Pages
Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors
Description Dual asynchronous receiver/transmitter (DUART)

SCC2681AE1N40 Datasheet (PDF)

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SCC2681AE1N40 Datasheet PDF - NXP Semiconductors

Part No. SCC2681AE1N40
Download  SCC2681AE1N40 Click to view

File Size   204.65 Kbytes
Page   29 Pages
Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors
Description Dual asynchronous receiver/transmitter (DUART)

SCC2681AE1N40 Datasheet (HTML) - NXP Semiconductors

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SCC2681AE1N40 Product details

DESCRIPTION
The Philips Semiconductors SCC2681 Dual Universal Asynchronous Receiver/Transmitter (DUART) is a single-chip MOS-LSI communications device that provides two independent full-duplex asynchronous receiver/transmitter channels in a single package. It interfaces directly with microprocessors and may be used in a polled or interrupt driven system. It is manufactured in a CMOS process.

FEATURES
• Dual full-duplex asynchronous receiver/transmitter
• Quadruple buffered receiver data registers
• Programmable data format
    – 5 to 8 data bits plus parity
    – Odd, even, no parity or force parity
    – 1, 1.5 or 2 stop bits programmable in 1/16-bit increments
• Programmable baud rate for each receiver and transmitter selectable from:
    – 22 fixed rates: 50 to 115.2 k baud
• 16-bit programmable Counter/Timer
    – Non-standard rates to 115.2 kb
    – One user-defined rate derived from programmable timer/counter
    – External 1× or 16× clock
• Parity, framing, and overrun error detection
• False start bit detection
• Line break detection and generation
• Programmable channel mode
    – Normal (full-duplex)
    – Automatic echo
    – Local loopback
    – Remote loopback
• Multi-function programmable 16-bit counter/timer
• Multi-function 7-bit input port
    – Can serve as clock or control inputs
    – Change of state detection on four inputs
    – 100 kΩ typical pull-up resistor
• Multi-function 8-bit output port
    – Individual bit set/reset capability
    – Outputs can be programmed to be status/interrupt signals
    – DMA signals
    – Auto 485 turn-around
• Versatile interrupt system
    – Single interrupt output with eight maskable interrupting conditions
    – Output port can be configured to provide a total of up to six separate wire-ORable interrupt outputs
• Maximum data transfer: 1× – 1 MB/sec; 16× – 125 kB/sec
• Automatic wake-up mode for multidrop applications
• Start-end break interrupt/status
• Detects break which originates in the middle of a character
• On-chip crystal oscillator
• Single +5 V power supply
• Commercial and industrial temperature ranges available
• DIP and PLCC packages



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