特性 Features

- Single channel full-duplex UART

- Support I2C-bus or SPI interface

- 64 bytes FIFO (transmitter and receiver)

- Fully compatible with industrial standard 16C450 and

equivalent

- Baud Rates up to 16Mbit/s in 4X sampling clock rate

- Programmable character formatting

- 5-bit, 6-bit, 7-bit or 8-bit character

- Even, odd, or no parity

- 1, 1.5, or 2 stop bits

- Programmable Receive and Transmit FIFO trigger levels

- Special character detection

- Internal Loopback mode

- Line break generation and detection

Flow Control

- Support hardware flow control using RTS/CTS

- Support software flow control with programmable Xon/Xoff

characters

- Programmable single or double Xon/Xoff characters

Interface Control

- Automatic RS-485 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 ( optional 1.152Mbps )

- Up to eight user programmable GPIO pins

- Software reset

Others

- Low standby current at 3.3 V

- Wide operation voltage (1.8V, 2.5V or 3.3V)

- Industrial and commercial temperature ranges

- Available in QFN24, TSSOP24 and TSSOP16 Packages

I2C Interface

- Compliant with I2C-bus fast speed

- Support slave mode only

- Crystal oscillator (up to 24MHz) or external clock (up to 64MHz) input

SPI Interface

- Support 33 Mbit/s maximum SPI clock speed

- Support SPI mode 0 (slave mode only)

- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

- Halogen and Antimony Free. “Green” Device (Note 3)

Application

- Industrial computing

- Automation

- Factory process control

- Mobile computing

- Embedded applications

- Battery operated devices

- Networking