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1. 发明授权

US6167466A Multi-channel serial port with programmable features 失效
标题翻译：具有可编程功能的多通道串口
公开(公告)号：US6167466A
公开(公告)日：2000-12-26
申请号：US55011
申请日：1998-04-03
申请人： Tai H. Nguyen , Jason A. T. Jones , Jonathan G. Bradley , Natarajan Seshan
发明人： Tai H. Nguyen , Jason A. T. Jones , Jonathan G. Bradley , Natarajan Seshan
IPC分类号： G06F9/30 , G06F9/302 , G06F15/78 , G06F13/00 , G06F9/00 , G06F13/14
CPC分类号： G06F9/3001 , G06F9/30098 , G06F15/7832
摘要： A microprocessor 1 is described which includes a multi-channel serial port (MCSP) 120. MCSP 120 includes clock generation and frame sync generation circuitry 300, multi-channel selection circuitry 310, and companding circuitry 320. The clock generation and frame sync generation circuitry is configurable by means of a Serial Port Control Register SPCR, and Receive Control Register RCR, a Transmit Control Register XCR, a Sample Rate Generator Register SRGR, and Pin Control Register PCR. The multi-channel selection circuitry is configurable by means of a Multi-Channel Register MCR, a Receive Channel Enable Register RCER and a Transmit Channel Enable Register XCER. Companding circuitry 320 performs optional expansion or compression of received or transmitted data using .mu.-LAW or A-LAW, as selected by the Receive Control Register or the Transmit Control Register.
摘要翻译：描述了包括多通道串行端口（MCSP）120的微处理器1.MCSP 120包括时钟产生和帧同步产生电路300，多通道选择电路310和压扩电路320.时钟产生和帧同步产生电路可通过串行端口控制寄存器SPCR和接收控制寄存器RCR，发送控制寄存器XCR，采样率发生器寄存器SRGR和引脚控制寄存器PCR进行配置。多通道选择电路可以通过多通道寄存器MCR，接收通道使能寄存器RCER和发送通道使能寄存器XCER进行配置。压缩电路320使用由接收控制寄存器或发送控制寄存器选择的mu -LAW或A-LAW来执行对接收或发送的数据的可选扩展或压缩。

2. 发明授权

US06609163B1 Multi-channel serial port with programmable features 有权
标题翻译：具有可编程功能的多通道串口
公开(公告)号：US06609163B1
公开(公告)日：2003-08-19
申请号：US09591527
申请日：2000-06-09
申请人： Tai H. Nguyen , Jason A. T. Jones , Jonathan G. Bradley , Natarajan Seshan
发明人： Tai H. Nguyen , Jason A. T. Jones , Jonathan G. Bradley , Natarajan Seshan
IPC分类号： G06F300
CPC分类号： G06F9/3001 , G06F9/30098 , G06F15/7832
摘要： A microprocessor 1 is described which includes a multi-channel serial port (MCSP) 120. MCSP 120 includes clock generation and frame sync generation circuitry 300, multi-channel selection circuitry 310, and companding circuitry 320. The clock generation and frame sync generation circuitry is configurable by means of a Serial Port Control Register SPCR, and Receive Control Register RCR, a Transmit Control Register XCR, a Sample Rate Generator Register SRGR, and Pin Control Register PCR. The multi-channel selection circuitry is configurable by means of a Multi-Channel Register MCR, a Receive Channel Enable Register RCER and a Transmit Channel Enable Register XCER. Companding circuitry 320 performs optional expansion or compression of received or transmitted data using &mgr;-LAW or A-LAW, as selected by the Receive Control Register or the Transmit Control Register.
摘要翻译：描述了包括多通道串行端口（MCSP）120的微处理器1.MCSP 120包括时钟产生和帧同步产生电路300，多通道选择电路310和压扩电路320.时钟产生和帧同步产生电路可通过串行端口控制寄存器SPCR和接收控制寄存器RCR，发送控制寄存器XCR，采样率发生器寄存器SRGR和引脚控制寄存器PCR进行配置。多通道选择电路可以通过多通道寄存器MCR，接收通道使能寄存器RCER和发送通道使能寄存器XCER进行配置。压缩电路320使用由接收控制寄存器或发送控制寄存器选择的mu-LAW或A-LAW来执行对接收或发送的数据的可选扩展或压缩。

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