Datasheet

Table Of Contents
Section 17 Serial Communications Interface 3 (SCI3, IrDA)
Rev. 2.00 Jul. 04, 2007 Page 411 of 692
REJ09B0309-0200
17.9.8 Transmit and Receive Operations when Making State Transition
Make sure that transmit and receive operations have completely finished before carrying out state
transition processing.
17.9.9 Setting in Subactive or Subsleep Mode
In subactive or subsleep mode, the SCI3 interface can operate only when the CPU clock is φ
W
/2.
The SA1 and SA0 bits in SYSCR2 should be set to 1 and 0, respectively.
17.9.10 Oscillator when Serial Communications Interface 3 is Used
When the serial communications interface 3 is used, do not use the on-chip oscillator for the
system clock. For details on selecting the system clock oscillator or on-chip oscillator for the
system clock, see section 5.2.4, Selecting On-Chip Oscillator for System Clock.