定义一个指向片外RAM40H开始的无符号字节指针的语句是:() A: unsignedcharpdata*v=0x40; B: unsignedchardata*v=0x40; C: unsignedcharxdata*v=0x40; D: unsignedcharcode*v=0x40;
定义一个指向片外RAM40H开始的无符号字节指针的语句是:() A: unsignedcharpdata*v=0x40; B: unsignedchardata*v=0x40; C: unsignedcharxdata*v=0x40; D: unsignedcharcode*v=0x40;
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