23.3
Register States in Each Operating Mode
Register
Power-on
Name
Reset
UEPIR00_0 to
UEPIR22_4
UCTLR
Initialized
UTSTRA
Initialized
UDMAR
Initialized
UDRR
Initialized
UTRG0
Initialized
UTRG1
Initialized
UFCLR0
Initialized
UFCLR1
Initialized
UESTL0
Initialized
UESTL1
Initialized
UEDR0s
UEDR0i
Initialized
UEDR0o
UEDR1i
Initialized
UEDR2i
Initialized
UEDR2o
UEDR3i
Initialized
UEDR3o
UEDR4i
Initialized
UEDR4o
UEDR5i
Initialized
UESZ0o
UESZ2o
UESZ3o
UESZ4o
UIFR0
Initialized
UIFR1
Initialized
UIFR2
Initialized
UIFR3
Initialized
UIER0
Initialized
Rev. 3.0, 10/02, page 642 of 686
Manual
High-
Medium-
Reset
Speed
Speed
Sleep
Module
Software
Stop
Standby
Hardware
Module
Standby
USB
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized
Initialized