EAGLE
PRELIMINARY
Ver 1.3
3.19
UART
EAGLE has 4 UART (Universal Asynchronous Receiver/Transmitter) channels for communicating with general PC and
I/O devices and it also supports RS-232C interface functions. UART Controller supports various control functions and Tx/Rx
functions for asynchronous communications.
UART Specification
Compatible with standard 16550(16450) UARTs
Fully programmable serial-interface protocols
9
9
9
9
5,6,7,8-bit characters
Even, odd or no-parity, stick parity generation and detection
1, 1.5, 2 stop bit generation
Baud rate generator
Line break generation and detection
False start bit detection
Prioritized transmit, receive and line status control interrupts
Independent 16 characters transmit and receive FIFOs
Support 4 Ch. UARTs
Figure 3-35 UART Block Diagram
Beijing Peak Microtech Co.Ltd.
CONFIDENTIAL
156