第六章单元测试
- For timers, which mode produces an 8-bit auto-reload timer? （ ）
- Which register can we use to set up the mode of operation of Timer 0? （ ）
- For the serial port, which mode is an 8-bit UART? （ ）
- Where is the parity bit in an RS232 packet? （ ）
How many modes can we use in a timer/counter ?
A:Mode 0 B:Mode 2 C:Mode 3
D:Mode 1
答案:Mode 2
A:TCON B:ET0
C:TR0 D:TMOD
A:Mode 1 B:Mode 2 C:Mode 0 D:Mode 3
A:After start bit B:After data bits C:Before data bits D:After stop bits
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A:3
B:1
C:2
D:4
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