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    • 1. 发明申请
    • CONTROLLING TWO JTAG TAP CONTROLLERS WITH ONE SET OF JTAG PINS
    • 用一组JTAG引脚控制两个JTAG TAP控制器
    • US20110185243A1
    • 2011-07-28
    • US13080270
    • 2011-04-05
    • Robert B. Wong
    • Robert B. Wong
    • G06F11/00
    • G01R31/318555G01R31/318572
    • Various apparatuses, methods and systems for dual JTAG controllers with shared pins disclosed herein. For example, some embodiments provide a boundary scan apparatus having a first boundary scan circuit with a first plurality of control inputs, a second boundary scan circuit with a second plurality of control inputs, and a plurality of boundary scan control signals connected to the first plurality of control inputs on the first boundary scan circuit and to the second plurality of control inputs on the second boundary scan circuit. At least two of the plurality of boundary scan control signals are connected between the first boundary scan circuit and the second boundary scan circuit in a crossover fashion.
    • 本文公开了具有共享引脚的双JTAG控制器的各种装置,方法和系统。 例如,一些实施例提供一种具有第一边界扫描电路的边界扫描装置,该第一边界扫描电路具有第一多个控制输入,具有第二多个控制输入的第二边界扫描电路和连接到第一多个控制输入的多个边界扫描控制信号 在第一边界扫描电路上的控制输入和第二边界扫描电路上的第二多个控制输入。 多个边界扫描控制信号中的至少两个以交叉方式连接在第一边界扫描电路和第二边界扫描电路之间。
    • 2. 发明授权
    • Gating TDO from plural JTAG circuits
    • 从多个JTAG电路门控TDO
    • US07945831B2
    • 2011-05-17
    • US12263443
    • 2008-10-31
    • Robert B. Wong
    • Robert B. Wong
    • G01R31/28
    • G01R31/318555G01R31/318572
    • Various apparatuses, methods and systems for dual JTAG controllers with shared pins disclosed herein. For example, some embodiments provide a boundary scan apparatus having a first boundary scan circuit with a first plurality of control inputs, a second boundary scan circuit with a second plurality of control inputs, and a plurality of boundary scan control signals connected to the first plurality of control inputs on the first boundary scan circuit and to the second plurality of control inputs on the second boundary scan circuit. At least two of the plurality of boundary scan control signals are connected between the first boundary scan circuit and the second boundary scan circuit in a crossover fashion.
    • 本文公开了具有共享引脚的双JTAG控制器的各种装置,方法和系统。 例如,一些实施例提供一种具有第一边界扫描电路的边界扫描装置,该第一边界扫描电路具有第一多个控制输入,具有第二多个控制输入的第二边界扫描电路和连接到第一多个控制输入的多个边界扫描控制信号 在第一边界扫描电路上的控制输入和第二边界扫描电路上的第二多个控制输入。 多个边界扫描控制信号中的至少两个以交叉方式连接在第一边界扫描电路和第二边界扫描电路之间。
    • 3. 发明申请
    • Controlling Two JTAG TAP Controllers With One Set of JTAG Pins
    • 使用一组JTAG引脚控制两个JTAG TAP控制器
    • US20100109678A1
    • 2010-05-06
    • US12263443
    • 2008-10-31
    • Robert B. Wong
    • Robert B. Wong
    • G01R31/00
    • G01R31/318555G01R31/318572
    • Various apparatuses, methods and systems for dual JTAG controllers with shared pins disclosed herein. For example, some embodiments provide a boundary scan apparatus having a first boundary scan circuit with a first plurality of control inputs, a second boundary scan circuit with a second plurality of control inputs, and a plurality of boundary scan control signals connected to the first plurality of control inputs on the first boundary scan circuit and to the second plurality of control inputs on the second boundary scan circuit. At least two of the plurality of boundary scan control signals are connected between the first boundary scan circuit and the second boundary scan circuit in a crossover fashion.
    • 本文公开了具有共享引脚的双JTAG控制器的各种装置,方法和系统。 例如,一些实施例提供一种具有第一边界扫描电路的边界扫描装置,该第一边界扫描电路具有第一多个控制输入,具有第二多个控制输入的第二边界扫描电路和连接到第一多个控制输入的多个边界扫描控制信号 在第一边界扫描电路上的控制输入和第二边界扫描电路上的第二多个控制输入。 多个边界扫描控制信号中的至少两个以交叉方式连接在第一边界扫描电路和第二边界扫描电路之间。