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16450 UART w/Synchronous Interface
"The H16450S is a standard UART providing 100% software compatibility with the popular Texas Instruments 16450 device. It performs serial-to-parallel conversion on data originating from modems or other serial devices, and performs parallel-to-serial conversion on data from a CPU to these devices.
Device Family Support
Virtex-4 FX
Virtex-4 LX
Virtex-4 SX
Virtex-II Pro
Spartan-3E
Spartan-3
Spartan-IIE
Key Features
Fully Synchronous design. All inputs and outputs are based on the rising edge of clock.
Data Output Bus can be synch or asynchronous.
Adds or deletes standard asynchronous communication bits (start, stop and parity) to or from the serial data.
Independently controlled transmit, receive, line status and data set interrupts.
Programmable baud generator divides any input clock by 1 to (2**16 - 1) and generates the 16 x clock.
Modem control functions (CTSn, RTSn, DSRn, DTRn, RIn, and DCDn).
Modem control functions (CTSn, RTSn, DSRn, DTRn, RIn, and DCDn).
Internal diagnostic capabilities: loopback controls for communications link fault isolation."
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