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    • 9. 发明申请
    • SEMICONDUCTOR DEVICE AND DATA PROCESSING SYSTEM
    • 半导体器件和数据处理系统
    • US20160225309A1
    • 2016-08-04
    • US15095051
    • 2016-04-09
    • Renesas Electronics Corporation
    • Goro SAKAMAKIYuri AZUMA
    • G09G3/20G06F13/10G09G3/36G06F13/40
    • G09G5/39G06F7/768G06F9/4806G06F13/10G06F13/102G06F13/20G06F13/4013G06F13/4022G06F13/4063G06F13/4221G09G3/2096G09G3/36G09G3/3648G09G3/3674G09G2310/08G09G2360/10
    • The present invention is to provide a semiconductor device that can correctly switch endians on the outside even if the endian of a parallel interface is not recognized on the outside. The semiconductor device includes a switching circuit and a first register. The switching circuit switches between whether a parallel interface with the outside is to be used as a big endian or a little endian. A first register holds control data of the switching circuit. The switching circuit regards the parallel interface as the little endian when first predetermined control information, that is unchanged in the values of specific bit positions even if its high-order and low-order bit positions are transposed, is supplied to the first register, and regards the parallel interface as the big endian when second predetermined control information, that is unchanged in the values of specific bit positions even if its high-order and low-order bit positions are transposed, is supplied to the first register. Whatever the endian setting status, the control information can be correctly inputted without being influenced by the endian setting status.
    • 本发明是提供一种半导体装置,即使在外部不识别到并行接口的端面,也能够正确地切换外部的端子。 半导体器件包括开关电路和第一寄存器。 开关电路是否将与外部的并行接口用作大端或小端。 第一寄存器保存开关电路的控制数据。 当第一预定控制信息(即使其高位和低位比特位置被转置时在特定比特位置的值不变)的第一预定控制信息被提供给第一寄存器时,切换电路将并行接口视为小端,并且 将并行接口视为大端,即使第二预定控制信息(即使其高位和低位比特位置被转置也在特定比特位置的值不变)被提供给第一寄存器。 无论端点设置状态如何,控制信息都可以正确输入,而不受端序设置状态的影响。