描述
在串行通信中,通信的速率与时钟脉冲有关,接收方和发送方的传送速率应相同,但是实际的发送速率与接收速率之间总是有一些微小的差别,如果不采取一定的措施,在连续传送大量的信息时,将会因积累误差造成错位,使接收方收到错误的信息
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL c7
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL c8
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL c9
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL d1