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TL16PIR552PH Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças TL16PIR552PH
Descrição Electrónicos  DUAL UART WITH DUAL IrDA AND 1284 PARALLEL PORT
Download  52 Pages
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

TL16PIR552PH Folha de dados(HTML) 1 Page - Texas Instruments

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TL16PIR552
DUAL UART WITH DUAL IrDA AND
1284 PARALLEL PORT
SLLS222A – DECEMBER 1995 – REVISED AUGUST 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Dual TL16C550C Universal Asynchronous
Receiver/Transmitters (UARTs)
D IEEE 1284 Bidirectional Parallel Data (PD)
Port
– Compatible With Standard Centronics
Parallel Interface
– Support for Parallel Protocols: Extended
Capability Port (ECP) and Enhanced
Parallel Port (EPP)
– Data Path 16-Byte FIFO Buffer
– Direct Memory Access (DMA) Transfer
– Decompression of Run Length Encoded
Data in ECP Reverse Mode
– Direct Connection to Printer, No External
Transceiver is Needed
D Serial Ports Have Infrared Data Association
(IrDA) Inputs and Outputs
– 1200 bps to 115.2 kbps Data Rate
D 16-Byte FIFOs Reduce CPU Interrupts
D 12 mA Drive Current for All 1284 Control
Terminals and Parallel Port Data Terminals
D Programmable Auto Flow Control on the
UARTs
D Capable of Running With All Existing
TL16C450 Software
D After Reset, All Registers Are Identical to
the TL16C450 Register Set
D Up to 16-MHz Clock Rate for Up to 1-Mbaud
Operation
D In the TL16C450 Mode, Hold and Shift
Registers Eliminate the Need for Precise
Synchronization Between the CPU and
Serial Data
D Programmable Baud-Rate Generator
Allows Division of Any Input Reference
Clock by 1 to (216 – 1) and Generates an
Internal 16
× Clock
D Adds or Deletes Standard Asynchronous
Communication Bits (Start, Stop, and
Parity) to or From the Serial Data Stream
D On-Board Prescaler With Programmable
Divisor Values From 0 to 33
D Independent Control of Transmit, Receive,
Line Status, and Data-Set Interrupts on
Each Channel
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 1 Mbit Per
Second)
D False Start-Bit Detection
D Complete Status Reporting Capabilities
D 3-State Output 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, and Framing
Error Simulation
D Fully Prioritized Interrupt System Controls
D Modem-Control Functions (CTS, RTS, DSR,
DTR, RI, and DCD)
D Available in 80-Pin Quad Flatpack (QFP)
Package
description
The TL16PIR552 has a dual-channel universal asynchronous receiver/transmitter (UART). The UART is similar
to the TL16C550C. The device serves two serial input/output ports simultaneously in microcomputer or
microprocessor-based systems. Each channel performs serial-to-parallel conversion on data characters
received from peripheral devices or modems and parallel-to-serial conversion on data characters transmitted
by the CPU. The complete status of each channel of the dual UART can be read by the CPU at any time during
functional operation. The information obtained includes the type and condition of the transfer operation being
performed and the error condition.
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.
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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