Daisychain (bused interface) Definition/Meaning:
A means of connecting a number of devices to a controller, or, used as a verb, to connected by this means. A cable is connected
from the controller to the nearest of the devices and then a separate cable
connects the first unit to the second and the process is repeated as required.
This allows a single connector on the controller to serve a variable number of
devices. It also reduces cable cost and eases installation when several devices
have to be connected. The IEEE 488 interface is suitable for this sort of connection.
Daisychain connection is also used as a means to prioritize I/O interrupts. In
this application there is active logic at the points of interconnection to
ensure that the priority accorded to a device is directly related to its place
in the chain. The device nearest to the controller has highest priority