（2）ADC0809的转换时间为（ ）。
A: 1us
B: 10us
C: 100us
D: 200us
A: 1us
B: 10us
C: 100us
D: 200us
举一反三
- 51单片机的晶振频率为12 MHz，则其机器周期为多少 A: 1/12 us B: 1/6 us C: 1/2 us D: 1us
- 单片机接入12MHZ的晶振,它的机器周期是多少? A: 1/12 us B: 1/6 us C: 1/12 ms D: 1us
- What’s the exchange rate for RMB to US dollars that day? A: 1 RMB for 0.51575 US$. B: 1 RMB for 0.15575 US$. C: 1 RMB for 0.51557 US$.
- Are there enough books for ____? A: three us B: us three C: all us D: the three us
- What Was their investment in offshore oil exploration between 1983 and 1967（） A: US$23 million. B: US$200 million. C: US$1,000 million.