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通用异步收发器UART1
目录
第 14 章 通用异步收发器 UART1················································································· 1
14.1 基本配置 ························································································································1
14.2 特性 ································································································································1
14.3 管脚描述 ························································································································1
14.4 寄存器描述 ····················································································································2
14.4.1 UART1 接收器缓冲寄存器（U1RBR - 0X4001 0000，DLAB=0 ，只读）······3
14.4.2 UART1 发送保持寄存器（U1THR - 0x4001 0000 ，DLAB=0 ，只写）··········4
14.4.3 UART1 LSB MSB U1DLL - 0x4001 0000 U1DLM -
除数锁存器 和 寄存器（ 和
0x4001 0004 ，DLAB=1 ）·····································································································4
14.4.4 UART1 U1IER - 0x4001 0004 DLAB=0 ························4
中断使能寄存器（ ， ）
14.4.5 UART1 U1IIR - 0x4001 0008 ································5
中断标识寄存器（ ，只读）
14.4.6 UART1 FIFO 控制寄存器（U1FCR - 0x4001 0008 ，只写）····························8
14.4.7 UART1 线控制寄存器（U1LCR - 0x4001 000C ） ············································9
14.4.8 UART1 Modem 控制寄存器（U1MCR - 0x4001 0010 ）····························
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