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 Virage Logic Corporation 
Short Desc. : UNIVERSAL Synchronous/ASYNCHRONOUS RECEIVER and TRANSMITTER (USART)
Overview :
Virage Logic’s USART is compliant to industry standard 16C550 UART and is available with or without a smartcard interface. The USART has an AMBA® APB bus interface and a standard DMA interface to off-load the CPU. The USART’s available features are completely software programmable via control registers. The features include enabling of receive and transmit FIFOs, automatic hardware flow control, fractional clock pre-scaling, automatic baud-rate detection, infrared encoding/ decoding.
Features : - Industry standard 16C550 compatible UART
- Conforms to AMBA APB interface specification
- Request/ response data flow DMA controller interface
- Two independent clock domains for APB bus and USART logic
- Auto-baud functionality for automatically detecting and setting the baud-rate
- Break character transmission and reception
- (Automatic) Hardware CTS/ RTS flow control
- Full modem interface control signals (CTS, RTS, DSR, DTR, RI, DCD)
- IrDA encoder/ decoder
- 16-bit integer divider and fractional divider to support non-standard baud-rates
- Non-standard baud rates at low clock frequencies using variable over sampling
- Asynchronous wake-up interrupt when system clock is shut down
Categories :
Portability :
Type : Soft
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