Catalog
16C550 Quad UART Bridge Controller
Key Features
• 1.62V to 3.6V with 5V Tolerant Serial Inputs
• Single Interrupt output for all 4 UARTs
• A Global Interrupt Source Register for all 4 UARTs
• 5G "Flat" UART Registers for easier programming
• Simultaneous Initialization of all UART channels
• A General Purpose Command-driven 16-bit Timer/counter
• Sleep Mode with Wake-up Indication
• Highly Integrated Device for Space Saving
• Each UART is independently controlled with:- 16C550 Compatible 5G Register Set- 64-byte Transmit and Receive FIFOs- Transmit and Receive FIFO Level Counters- Programmable TX and RX FIFO Trigger Level- Automatic RTS/CTS or DTR/DSR Flow Control- Automatic Xon/Xoff Software Flow Control- RS485 HDX Control Output- RS485 auto address detection- Infrared (IrDA 1.0/1.1) Data Encoder/Decoder- Programmable Data Rate with Prescaler
• Up to 8 Mbps Serial Data Rate with 64MHz external clock input
• Crystal oscillator(up to 24MHz) or external clock(up to 80MHz) input
• Built in Power-On-Reset circuit
Description
AI
TN1.pdf