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    • 11. 发明授权
    • Method and circuit for synchronizing a write operation between an on-chip microprocessor and an on-chip programmable analog device operating at different frequencies
    • 用于同步片上微处理器与以不同频率工作的片上可编程模拟装置之间的写操作的方法和电路
    • US06950954B1
    • 2005-09-27
    • US10011214
    • 2001-10-25
    • Bert SullamHarold KutzMonte Mar
    • Bert SullamHarold KutzMonte Mar
    • G06F1/12
    • G06F1/12
    • One embodiment of the present invention includes a microcontroller that enables its on-chip microprocessor to write data into a register of an on-chip programmable analog circuit even though the two circuits may be operating at different frequencies. Specifically, the microcontroller includes a write synchronization circuit that helps facilitate the write operation between these two circuits. For example, the write synchronization circuit is coupled to receive write cycle signals from the microprocessor and is also coupled to receive trigger signals based on a clocking signal received by the programmable analog circuit. Therefore, upon receiving a write cycle signal, the write synchronization circuit has the ability (if needed) to stall the microprocessor's operations until the optimum time for writing data into the register for controlling the programmable analog circuit. As such, the write synchronization circuit dynamically synchronizes the microprocessor's write operation with the programmable analog circuit's optimum timing condition for receiving data.
    • 本发明的一个实施例包括一个微控制器,使其片上微处理器能够将数据写入到片上可编程模拟电路的寄存器中,即使两个电路可能以不同的频率工作。 具体来说,微控制器包括一个写入同步电路,有助于这两个电路之间的写入操作。 例如,写同步电路被耦合以从微处理器接收写周期信号,并且还耦合以基于由可编程模拟电路接收的定时信号接收触发信号。 因此,在写入周期信号时,写入同步电路具有停止微处理器操作的能力(如果需要的话),直到将数据写入用于控制可编程模拟电路的寄存器的最佳时间。 这样,写同步电路使微处理器的写操作与可编程模拟电路的最佳定时条件动态同步,用于接收数据。
    • 19. 发明授权
    • Programmable microcontroller architecture (mixed analog/digital)
    • 可编程微控制器架构(混合模拟/数字)
    • US07221187B1
    • 2007-05-22
    • US10803030
    • 2004-03-16
    • Warren SnyderMonte Mar
    • Warren SnyderMonte Mar
    • H01L25/00H03K19/177
    • H03K19/08G06F1/08G06F1/32G06F15/7867G06G7/06H03B5/364H03K3/012H03K3/014H03K3/02315H03K19/173H03K19/1733H03K19/177H03K19/17736H03K19/17748
    • A microcontroller with a mixed analog/digital architecture including multiple digital programmable blocks and multiple analog programmable blocks in a communication array having a programmable interconnect structure. The single chip design is implemented by integration of programmable digital and analog circuit blocks that are able to communicate with each other. Robust analog and digital blocks that are flash memory programmable can be utilized to realize complex design applications that otherwise would require multiple chips and/or separate applications. The programmable chip architecture includes a novel array having programmable digital blocks that can communicate with programmable analog blocks using a programmable interconnect structure. The programmable analog array contains a complement of Continuous Time (CT) blocks and a complement of Switched Capacitor (SC) blocks that can communicate together. The analog blocks consist of multi-function circuits programmable for one or more different analog functions, and fixed function circuits programmable for a fixed function with variable parameters. The digital blocks include standard multi-function circuits and enhanced circuits having functions not included in the standard digital circuits. The programmable array is programmed by flash memory and programming allows dynamic reconfiguration. That is, “on-the-fly” reconfiguration of the programmable blocks is allowed. The programmable analog array with both Continuous Time analog blocks and Switched Capacitor analog blocks are offered on a single chip along with programmable digital blocks. The programmable interconnect structure provides for communication of input/output data between all analog and digital blocks.
    • 具有混合模拟/数字架构的微控制器,包括具有可编程互连结构的通信阵列中的多个数字可编程块和多个模拟可编程块。 单芯片设计通过集成可以相互通信的可编程数字和模拟电路块来实现。 闪存可编程的强大的模拟和数字模块可用于实现复杂的设计应用,否则将需要多个芯片和/或单独应用。 可编程芯片架构包括具有可编程数字块的新型阵列,其可以使用可编程互连结构与可编程模拟块通信。 可编程模拟阵列包含连续时间(CT)块的补码和可以一起通信的开关电容(SC)块的补充。 模拟模块由可编程为一个或多个不同模拟功能的多功能电路组成,固定功能电路可编程,具有可变参数的固定功能。 数字模块包括标准多功能电路和具有不包括在标准数字电路中的功能的增强电路。 可编程阵列由闪存编程,编程允许动态重新配置。 也就是说,允许可编程块的“即时”重新配置。 具有连续时间模拟模块和开关电容模拟模块的可编程模拟阵列与可编程数字模块一起提供在单个芯片上。 可编程互连结构提供所有模拟和数字模块之间的输入/输出数据的通信。
    • 20. 发明授权
    • Programming methodology and architecture for a programmable analog system
    • 可编程模拟系统的编程方法和架构
    • US06910126B1
    • 2005-06-21
    • US09930021
    • 2001-08-14
    • Monte MarWarren Snyder
    • Monte MarWarren Snyder
    • G06F1/08G06F1/32G06F15/78G06G7/06H03B5/36H03K3/012H03K3/014H03K3/0231G06F13/14
    • G06F15/7867G06F1/08G06F1/32G06G7/06H03B5/364H03K3/012H03K3/014H03K3/02315
    • A method of programming a programmable analog device that introduces on a single chip a set of tailored analog blocks and elements that can be configured and reconfigured in different ways to implement a variety of different analog functions. The analog blocks can be electrically coupled to each other in different combinations to perform different analog functions. Each analog block includes analog elements that have changeable characteristics that can be specified according to the function to be performed. Configuration registers define the type of function to be performed, the way in which the analog blocks are to be coupled, the inputs and outputs of the analog blocks, and the characteristics of the analog elements. The configuration registers can be dynamically programmed. Thus, the device can be used to realize a large number of different analog functions and applications.
    • 一种编程可编程模拟设备的方法,该可编程模拟设备在单个芯片上引入可以以不同方式配置和重新配置以实现各种不同模拟功能的一组定制的模拟块和元件。 模拟块可以以不同的组合彼此电耦合以执行不同的模拟功能。 每个模拟块包括具有可根据要执行的功能指定的可变特性的模拟元件。 配置寄存器定义要执行的功能类型,模拟模块的耦合方式,模拟模块的输入和输出以及模拟元件的特性。 配置寄存器可以动态编程。 因此,该装置可用于实现大量不同的模拟功能和应用。