35
HOST
Meaning:
MAX3421E host or peripheral operation
Mode: Peripheral
and
Host
The CPU sets HOST = 1 to operate the MAX3421E as a USB host.
The CPU sets HOST = 0 to operate the MAX3421E as a USB peripheral (default).
Programming Notes
At power-on or after a RES# pin reset, the MAX3421E defaults to peripheral operation with the
HOST bit set to 0. In this mode the MAX3421E operates as a MAX3420E peripheral-only
controller.
The CPU sets HOST = 1 to operate the MAX3421E as a host. It uses the register set shown in
Table 1.
Programming information for operating when HOST = 0 is found in the
MAX3420E
Programming Guide
. For reference, Table 2 shows all MAX3421E register bits, for both
peripheral and host operation.