SLLS177I March   1994  – March 2021 TL16C550C

PRODUCTION DATA  

  1. 1 Features
  2. 2 Description
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
  5. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  Recommended Operating Conditions (Low Voltage - 3.3 nominal)
    3. 5.3  Recommended Operating Conditions (Standard Voltage - 5 V nominal)
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics (Low Voltage - 3.3 V nominal)
    6. 5.6  Electrical Characteristics (Standard Voltage - 5 V nominal)
    7. 5.7  System Timing Requirements
    8. 5.8  System Switching Characteristics
    9. 5.9  Baud Generator Switching Characteristics
    10. 5.10 Receiver Switching Characteristics
    11. 5.11 Transmitter Switching Characteristics
    12. 5.12 Modem Control Switching Characteristics
  6. 6 Parameter Measurement Information
  7. 7 Detailed Description
    1. 7.1 Autoflow Control (see Figure 1-1)
    2. 7.2 Auto-RTS (see Figure 1-1)
    3. 7.3 Auto-CTS (see Figure 1-1)
    4. 7.4 Enabling Autoflow Control and Auto-CTS
    5. 7.5 Auto-CTS and Auto-RTS Functional Timing
    6. 7.6 Functional Block Diagram
    7. 7.7 Principles of Operation
      1. 7.7.1  Accessible Registers
      2. 7.7.2  FIFO Control Register (FCR)
      3. 7.7.3  FIFO Interrupt Mode Operation
      4. 7.7.4  FIFO Polled Mode Operation
      5. 7.7.5  Interrupt Enable Register (IER)
      6. 7.7.6  Interrupt Identification Register (IIR)
      7. 7.7.7  Line Control Register (LCR)
      8. 7.7.8  Line Status Register (LSR)
      9. 7.7.9  Modem Control Register (MCR)
      10. 7.7.10 Modem Status Register (MSR)
      11. 7.7.11 Programming Baud Generator
      12. 7.7.12 Receiver Buffet Register (RBR)
      13. 7.7.13 Scratch Register
      14. 7.7.14 Transmitter Holding Register (THR)
  8. 8 Application Information
  9. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • Programmable Auto-RTS and Auto-CTS
  • In Auto-CTSMode, CTS Controls Transmitter
  • In Auto-RTS Mode, RCV FIFO Contents and Threshold Control RTS
  • Serial and Modem Control Outputs Drive a RJ11 Cable Directly When Equipment Is on the Same Power Drop
  • Capable of Running With All Existing TL16C450 Software
  • After Reset, All Registers Are Identical to the TL16C450 Register Set
  • Up to 16-MHz Clock Rate for up to 1-Mbaud Operation
  • In the TL16C450 Mode, Hold and Shift Registers Eliminate the Need for Precise Synchronization Between the CPU and Serial Data
  • Programmable Baud Rate Generator Allows Division of Any Input Reference Clock by 1 to (216 −1) and Generates an Internal 16×Clock
  • Standard Asynchronous Communication Bits (Start, Stop, and Parity) Added to or Deleted From the Serial Data Stream
  • 5-V and 3.3-V Operation
  • Independent Receiver Clock Input
  • Transmit, Receive, Line Status, and Data Set Interrupts Independently Controlled
  • 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 1 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:
    • Loopback Controls for Communications Link Fault Isolation
    • Break, Parity, Overrun, and Framing Error Simulation
  • Fully Prioritized Interrupt System Controls
  • Modem Control Functions (CTS, RTS, DSR, DTR, RI, and DCD)