In SCM application system, LED digital tube display circuit usually has () display mode.
A. Static
B. News
C. Static and dynamic
D. Inquiry
The segment code of the character "6" is () when the common anode LED digital tube is driven by reverser.
A. 06H
B. 7DH
C. 82H
D. FAH
If LED digital tube adopts dynamic display mode, the following statement is wrong.
A. Connect the segments of the digital tubes in parallel
B. The segment selection is controlled by an 8-bit I / O port
Connect the common end of each digital tube directly to + 5V or GND
D. The bit selection of each digital tube is controlled by its own independent I / O port