Memory address ______ H in the interrupt vector table is assigned to Timer 0, and the memory address ______ H is assigned to external interrupt 1.
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If Timer 0 of 8051 counts in mode 2, after executing the instruction “MOV TL0, #00H”, it will generate the overflow after counting ______ numbers.
The number of 8051 Timers is ______ . When Timer 1 is configured in mode ______ , it stops working.
The number of operation modes of 8051 UART is ______ . When 8051 UART is set with mode 2, it is a ______ -bit UART with fixed baud rate.
When 8051 serial port operates in Mode 2, to receive the ninth bit, it should read from ()
A. SM2 bit of SCON register
B. TB8 bit of SCON register
C. RI bit of SCON register
D. RB8 bit of SCON register