The XR16L580 (L580) is a 2.25 to 5.5 volt Universal Asynchronous Receiver and Transmitter (UART) with 5 volt tolerant inputs and a reduced pin count. It is pin-to-pin and software compatible to industry standard 16C450, 16C550, ST16C580, ST16C650A, and XR16C850 UARTs.
It has 16 bytes of TX and RX FIFOs and is capable of operating up to serial data rate of 1 Mbps at 2.25 volt supply voltage. The internal registers is compatible to the 16C550 register set plus enhanced registers for additional features to support today’s high bandwidth data communication needs.
The enhanced features include Intel or Motorola data bus interface to match your CPU interface, automatic hardware and software flow control to prevent data loss, selectable RX and TX trigger levels for more efficient interrupt service, wireless infrared (IrDA) encoder/decoder for wireless applications and a unique Power-Save mode to increase battery operating time. The Device comes in the 48-TQFP and very small 32-QFN, 28-QFN and 24-QFN packages in industrial temperature range.
Features
Smallest Full Featured UART
2.25V to 5.5V Supply Voltage
5V Tolerant Inputs (except XTAL1)
Intel/Motorola Bus Select
'0 ns' Address Hold Time (TAH and TADH)
Pin and Software Compatible to industry standard 16C450, 16C550, ST16C580, ST16C650A, and XR16C850 in the 48-TQFP package
16-byte Transmit FIFO
16-byte Receive FIFO with Errors Flags
Selectable RX and TX FIFO Trigger Levels
Automatic Hardware (RTS/CTS) Flow Control
Automatic Software (Xon/Xoff) Flow Control
Up to 3.125 Mbps Data Rate at 5V and 2 Mbps at 3.3V and 1 Mbps at 2.25V Operation with External Clock Input
Infrared (IrDA) Encoder/Decoder
Complete Modem Interface
Power-Save Mode to conserve battery power
Sleep Mode with Wake-up Interrupt
Small packages: 24-QFN (4x4x0.9mm), 28-QFN (5x5x0.9mm) and 32-QFN (5x5x0.9mm)
Compatible to standard 48-TQFP packages, without the following signals: IOR, IOW, CS1, CS2, TXRDY#, RXRDY#, RCLK, BAUDOUT#, OP1#, and OP2#
Industrial Temperature Grade (-40ºC to +85ºC)
Pb-Free, RoHS Compliant Versions Offered
Encapsulamento: TQFP-48