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TMP100

Other Parts Discussed in Thread: TMP100

为什么我用硬件IIC驱动AT24C02可以,但是在驱动TMP100的时候,我把从机地址发过去了,但是从机没有发送应答信号过来,是什么原因呀?

UCB0I2CSA =0X48;                //设置从机地址寄存器UCB0I2CSA

 UCB0CTL1 |= UCTR;

 UCB0CTL1 |= UCTXSTT;       // 置为UCTR,UCTXSTT,产生启动条件

 WriteByte(address);                //写入从机的数据存储地址

 //等待从机信号,准备些数据操作

 //__delay_cycles(10);

 while(UCB0CTL1 & UCTXSTT);      //判断从机是否产生应答信号,

请教,请教