SC16IS752_SC16IS762: Dual UART with I²C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support

General features

• Dual full-duplex UART
• I²C-bus or SPI interface selectable
• 3.3 V or 2.5 V operation
• Industrial temperature range: -40 °C to +95 °C
• 64 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)
• Up to eight programmable I/O pins
• RS-485 driver direction control via RTS signal
• RS-485 driver direction control inversion
• Built-in IrDA encoder and decoder supporting IrDA SIR with speeds up to 115.2 kbit/s
• SC16IS762 supports IrDA SIR with speeds up to 1.152 Mbit/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 30 μA at 3.3 V
• Industrial and commercial temperature ranges
• 5 V tolerant inputs
• Available in HVQFN32 and TSSOP28 packages

I²C-bus features

• Noise filter on SCL/SDA inputs
• 400 kbit/s (maximum)
• Compliant with I²C-bus Fast mode
• Slave mode only

SPI features

• SC16IS752 supports 4 Mbit/s maximum SPI clock speed
• SC16IS762 supports 15 Mbit/s maximum SPI clock speed
• Slave mode only
• SPI Mode 0