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    • 11. 发明申请
    • Pin multiplexing
    • 引脚复用
    • US20060132178A1
    • 2006-06-22
    • US11020633
    • 2004-12-22
    • Ingo VolkeningHong Lee KooJasmeet Singh NarangJiaxiang Shi
    • Ingo VolkeningHong Lee KooJasmeet Singh NarangJiaxiang Shi
    • H03K19/0175
    • H03K19/1732
    • There is provided a semiconductor device for multiplexing across a plurality of shared Input/Output (I/O) pins. The semiconductor device comprises a first core for operation of a first function, a second core for operation of a second function, a multiplexer and an additional hardware module. The multiplexer is arranged to set the I/O pins to the first function or to the second function at power up. The hardware module comprises an arbiter arranged to receive requests from the cores for use of the I/O pins and to grant use of the I/O pins to a selected core as required. Thus, the hardware module can switch functions dynamically and dual mode multiplexing is enabled.
    • 提供了用于跨多个共享输入/输出(I / O)引脚进行复用的半导体器件。 半导体器件包括用于操作第一功能的第一核,用于操作第二功能的第二核,多路复用器和附加硬件模块。 多路复用器被布置为在上电时将I / O引脚设置为第一功能或第二功能。 所述硬件模块包括仲裁器,所述仲裁器被布置成接收来自所述核的用于使用所述I / O引脚的请求,并且根据需要将所述I / O引脚授予所选核心。 因此,硬件模块可以动态切换功能,并启用双模复用功能。
    • 19. 发明申请
    • Method and system for booting a network processor
    • 引导网络处理器的方法和系统
    • US20070174835A1
    • 2007-07-26
    • US11337827
    • 2006-01-23
    • Bing XuIngo Volkening
    • Bing XuIngo Volkening
    • G06F9/445
    • G06F9/4416
    • A network processor system includes a network processor 1, which is provided with a number of interfaces 9, 11, 13, 15, 19, including one or more Ethernet interfaces 9, 11 and a UART interface 19, which can be used to load a software package into the network processor 1. The software package can thus be modified when required, or when the software package previously stored in the network processor system is corrupted. The Ethernet data packets received on the Ethernet interfaces 9, 11 are in a special format, which the network processor 1 can recognize, to distinguish them from conventional Ethernet packets. Thus, the network processor 1 does not have to be programmed to handle the full range conventional Ethernet data packets. The network processor 1 is provided with a second external non-volatile data storage device 7 in the form of a EEPROM memory 7. The EEPROM memory 7 provides a writable extension of the internal ROM memory of the network processor. It can, for example, be used to store the parameters of other components of a network processor system (e.g. a flash memory 5) so that the network processor 1 can be used in conjunction with components of a wide range of types.
    • 网络处理器系统包括网络处理器1,网络处理器1设置有多个接口9,11,13,15,19,包括一个或多个以太网接口9,11和UART接口19,该接口可用于加载 软件包进入网络处理器1。 因此,可以在需要时或当先前存储在网络处理器系统中的软件包损坏时修改软件包。 在以太网接口9,11上接收的以太网数据分组是特殊格式,网络处理器1可以识别,以将其与传统以太网分组区分开。 因此,网络处理器1不必被编程为处理全范围的传统以太网数据分组。 网络处理器1设置有EEPROM存储器7形式的第二外部非易失性数据存储装置7。 EEPROM存储器7提供网络处理器的内部ROM存储器的可写扩展。 例如,其可以用于存储网络处理器系统(例如,闪存5)的其他组件的参数,使得网络处理器1可以与广泛类型的组件结合使用。