1.8 V Single UART, 20 Mbit/s (max.) with 128-Byte FIFOs, Infrared (IrDA), and XScale VLIO Bus Interface

Key Features

• Single channel high performance UART
• 1.8 V operation
• Advanced package: HVQFN32
• Up to 20 Mbit/s data rate at 1.8 V
• Programmable sampling rates: 16×, 8×, 4×
• 128-byte transmit FIFO to reduce the bandwidth requirement of the external CPU
• 128-byte receive FIFO with error flags to reduce the bandwidth requirement of the external CPU
• 128 programmable Receive and Transmit FIFO interrupt trigger levels
• 128 Receive and Transmit FIFO reporting levels (level counters)
• Automatic software (Xon/Xoff) and hardware (RTS/CTS or DTR/DSR) flow control
• Programmable Xon/Xoff characters
• 128 programmable hardware and software trigger levels
• Automatic 9-bit mode (RS-485) address detection
• Automatic RS-485 driver turn-around with programmable delay
• UART software reset
• High resolution clock prescaler, from 0 to 15 with granularity of ¹/₁₆ to allow non-standard UART clock to be used
• Industrial temperature range (-40 °C to +85 °C)
• Software compatible with industry standard SC16C650B
• Software selectable baud rate generator
• Supports IrDA version 1.0 (up to 115.2 kbit/s)
• Standard modem interface or infrared IrDA encoder/decoder interface
• Enhanced Sleep mode and low power feature
• Modem control functions (CTS, RTS, DSR, DTR, RI, CD)
• Independent transmitter and receiver enable/disable
• Pb-free, RoHS compliant package offered