产品特点 Features

General features

• Single full-duplex UART
• Selectable I²C-bus or SPI interface
• 1.8 V operation
• Industrial temperature range: -40 ℃ to +85 ℃
• 128 bytes FIFO (transmitter and receiver)
• Fully compatible with industrial standard 16C450 and equivalent
• Baud rates up to 5 Mbit/s in 16× clock mode
• Auto hardware flow control using RTS/CTS
• Auto software flow control with programmable Xon/Xoff characters
• Single or double Xon/Xoff characters
• Automatic RS-485 support (automatic slave address detection)
• RS-485 driver direction control via RTS signal
• RS-485 driver direction control inversion
• Built-in IrDA encoder and decoder interface
• Supports IrDA SIR with speeds up to 115.2 kbit/s
• Software reset
• Transmitter and receiver can be enabled/disabled independent of each other
• Receive and Transmit FIFO levels
• Programmable special character detection
• Fully programmable character formatting
  • 5-bit, 6-bit, 7-bit or 8-bit character
  • Even, odd, or no parity
  • 1, 1½, or 2 stop bits
• Line break generation and detection
• Internal Loopback mode
• Sleep current less than 5 µA at 1.8 V
• Industrial and commercial temperature ranges
• Available in HVQFN24 and TSSOP24 packages

I²C-bus features

• 400 kbit/s maximum speed
• Compliant with I²C-bus Fast-mode (Fm) speed
• Slave mode only

SPI features

• Supports 12 Mbit/s maximum SPI clock speed
• Slave mode only
• SPI Mode 0

应用

• Factory automation and process control
• Portable and battery operated devices
• Cellular data

产品实物图