In the CPU, the registers that reflect the running state of the program or some characteristics of the operation results are ()
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The function of the 9th data bit of serial port communication can be defined by the user.
A. 对
B. 错
The content of the 9th bit of the transmitted data is prepared in advance in the TB8 bit of the SCON register.
A. 对
B. 错
When the serial communication mode 2 or mode 3 sends, the instruction sends the status of TB8 bit into the sending SBUF.
A. 对
B. 错
The 9th bit data received by serial communication is sent to rb8 of SCON register for storage.
A. 对
B. 错