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TL16C450FN Datenblatt(PDF) 1 Page - Texas Instruments |
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TL16C450FN Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 25 page TL16C450 ASYNCHRONOUS COMMUNICATIONS ELEMENT SLLS037B – MARCH 1988 – REVISED MARCH 1996 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Programmable Baud Rate Generator Allows Division of Any Input Reference Clock by 1 to (216 – 1) and Generates an Internal 16 × Clock D Full Double Buffering Eliminates the Need for Precise Synchronization D Standard Asynchronous Communication Bits (Start, Stop, and Parity) Added or Deleted to or From the Serial Data Stream D Independent Receiver Clock Input D Transmit, Receive, Line Status, and Data Set Interrupts Independently Controlled D Fully Programmable Serial Interface Characteristics: – 5 -, 6 -, 7 -, or 8-Bit Characters – Even -, Odd -, or No-Parity Bit Generation and Detection – 1 -, 1 1/2 -, or 2-Stop Bit Generation – Baud Generation (dc to 256 Kbit/s) D False Start Bit Detection D Complete Status Reporting Capabilities D 3-State TTL Drive Capabilities for Bidirectional Data Bus and Control Bus D Line Break Generation and Detection D Internal Diagnostic Capabilities: – Loopback Controls for Communications Link Fault Isolation – Break, Parity, Overrun, Framing Error Simulation D Fully Prioritized Interrupt System Controls D Modem Control Functions (CTS, RTS, DSR, DTR, RI, and DCD) D Easily Interfaces to Most Popular Microprocessors D Faster Plug-In Replacement for National Semiconductor NS16C450 description The TL16C450 is a CMOS version of an asynchronous communications element (ACE). It typically functions in a microcomputer system as a serial input/output interface. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 D0 D1 D2 D3 D4 D5 D6 D7 RCLK SIN SOUT CS0 CS1 CS2 BAUDOUT XTAL1 XTAL2 DOSTR DOSTR VSS VCC RI DCD DSR CTS MR OUT1 DTR RTS OUT2 INTRPT NC A0 A1 A2 ADS CSOUT DDIS DISTR DISTR N PACKAGE (TOP VIEW) MR OUT1 DTR RTS OUT2 NC INTRPT NC A0 A1 A2 39 38 37 36 35 34 33 32 31 30 29 18 19 7 8 9 10 11 12 13 14 15 16 17 D5 D6 D7 RCLK SIN NC SOUT CS0 CS1 CS2 BAUDOUT 20 21 22 23 FN PACKAGE (TOP VIEW) 54 3 2 1 644 42 41 40 43 24 25 26 27 28 NC – No internal connection PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 1996, Texas Instruments Incorporated |
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