Samsung S3C6400X User Manual page 813

USB2.0 HS OTG
APPLICATION ACCESS TO THE CSRS
The Access column of each register description that follows specifies how the application and the core can
access the register fields of the CSRs. The following conventions are used.
Read Only
Write Only
READ and Write
Read, Write, and
Self Clear
Read, Write, Self Set,
and Self Clear
Read, Self set, and
Write Clear
Read, Write Set, and
Self Clear
Read, Self set, and Self
Clear or Write Clear
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
26-6
Specifications and information herein are subject to change without notice.
Register field can only be read by the application. Writes to
RO
read-only fields have no effect.
Register field can only be written by the application.
WO
Register field can be read and written by the application. The
R_W
application can set this field by writing 1'b1 and can clear it by
writing 1'b0.
Register field can be read and written by the application (Read
R_W_SC
and Write), and is cleared to 1'b0 by the core (Self Clear). The
conditions under which the core clears this field are explained
in detail in the field's description.
Register field can be read and written by the application (Read
R_W_SS_SC
and Write), set to 1'b1 by the core on certain USB events (Self
Set), and cleared to 1'b0 by the core (Self Clear).
Register field can be read by the application (Read), can be set
R_SS_WC
to 1'b1 by the core on certain internal or USB or AHB event
(Self Set), and can be cleared to 1'b0 by the application with a
register write of 1'b1 (Write Clear). A register write of 1'b0 has
no effect on this field.
Register field can be read by the application (Read), can be set
R_WS_SC
to 1'b1 by the application with a register write of 1'b1 (Write
Set), and is cleared to 1'b0 by the core (Self Clear). The
application cannot clear this type of field, and a register write of
1'b0 to this bit has no effect on this field.
Register field can be read by the application (Read), can be set
R_SS_SC_WC
to 1'b1 by the core on certain internal or USB or AHB events
(Self Set), and can be cleared to 1'b0 either by the core itself
(Self Clear) or by the application with a register write of 1'b1
(Write Clear). A register write of 1'b0 to this bit has no effect on
this field.
S3C6400X RISC MICROPROCESSOR