器件名称:
TL16C550BN
功能描述:
ASYNCHRONOUS COMMUNICATIONS ELEMENT
文件大小:
499.25KB 共35页
简 介:
TL16C550B, TL16C550BI ASYNCHRONOUS COMMUNICATIONS ELEMENT SLLS136B – JANUARY 1994 – REVISED AUGUST 1996 D D D D D D D D Capable of Running With All Existing TL16C450 Software After Reset, All Registers Are Identical to the TL16C450 Register Set In the FIFO Mode, Transmitter and Receiver Are Each Buffered With 16-Byte FIFOs to Reduce the Number of Interrupts to the CPU 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 Independent Receiver Clock Input Transmit, Receive, Line Status, and Data Set Interrupts Independently Controlled D D D D D D D D 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 562 Kbit/s) False-Start Bit Detection Complete Status Reporting Capabilities 3-State Outputs Provide 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 Fun……
