Universal Synchnonous/Asynchronous Receiver Transmitter (UART/USART)

Dolphin Technology provides Universal Synchnonous/Asynchronous Receiver Transmitter (UART/USART) IP which allows the communication of serial character streams between an embedded system and an external device. This communication is done by reading and writing control and data registers. The core implements the RS-232 protocol timing and provides ability to adjust baud rate, parity, stop, and data bits.

Compliant with the following specifications:

• AMBA, Advanced Peripheral Bus (APB) Specification Version 2.0
• AMBA, Advanced High-performance Bus (AHB) Specification Version 2.0
• AMBA, Advanced eXtensibale Bus (AXI) Specification Version 4.0
• AMBA, Advanced eXtensibale Lite Bus (AXI-Lite) Specification Version 4.0

DTI UART Controller supports:

• Mode programmable: UART, USART
• Support programmable baud rates up to 128Kbps
• 5, 6, 7 or 8 bit characters
• Even or Odd or no PARITY bit generation and detection
• 1, 1.5, 2 STOP bit generation
• Support FIFO mode operation
• Capability to detect false START bit
• Modem mode, programmable auto flow control using CTS and RTS signals
• Interrupts generation logic with mask control
• Registers accessible through AMBA APB/AXI bus
• Capability to detect parity error, over error and frame error
• USART mode support synchronous mode using XCK signal, data rate up to 4Mbps
• Master only operation
• Slave only operation
• Master and slave operation
• Clock synchronization
• Programmable FIFO watermarks