单词four-bits
网络: 四位元
Indicates that the calling convention is described by the bottom four bits.
指示最低的四位描述调用约定。
Units of four bits are sometimes referred to as nibbles .
有时将四位数字组成的单元叫做半字节。
The fast detect feature allows fast overrange detection by outputting four bits of input level information with very short latency.
快速检测特性可以通过输出四位输入电平信息实现快速检测超量程输入，并且延迟非常短。
for example , a string four bits long ( 0000 , 0001 , 0010 and so on ) can specify 16 unique addresses
例如，四位元长的字串（0000,0001,0010等等）可以给出16个明确的地址。