器件名称:
TL16C450N
功能描述:
ASYNCHRONOUS COMMUNICATIONS ELEMENT
文件大小:
350.08KB 共25页
简 介:
TL16C450 ASYNCHRONOUS COMMUNICATIONS ELEMENT SLLS037B – MARCH 1988 – REVISED MARCH 1996 D D D D D D Programmable Baud Rate Generator Allows Division of Any Input Reference Clock by 1 to (216 – 1) and Generates an Internal 16 × Clock Full Double Buffering Eliminates the Need for Precise Synchronization Standard Asynchronous Communication Bits (Start, Stop, and Parity) Added or Deleted to or From the Serial Data Stream 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 256 Kbit/s) False Start Bit Detection Complete Status Reporting Capabilities 3-State 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, Framing Error Simulation Fully Prioritized Interrupt System Controls Modem Control Functions (CTS, RTS, DSR, DTR, RI, and DCD) Easily Interfaces to Most Popular Microprocessors Faster Plug-In Replacement for National Semiconductor NS16C450 D5 D6 D7 RCLK SIN NC SOUT CS0 CS1 CS2 BAUDOUT N PACKAGE (TOP VIEW) D D D D D D0 D1 D2 D3 D4 D5 D6 D7 RCLK SIN SOUT CS0 CS1 CS2 BAUDOUT XTAL1 XTAL2 DOSTR DOSTR VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1……
