HD64F3694FXV Datasheet, PDF (245/452 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 14 Serial Communication Interface 3 (SCI3)
Serial
clock
Serial
data
Bit 0 Bit 1
Bit 7
Bit 0
Bit 1
Bit 6
Bit 7
TDRE
TEND
1 frame
1 frame
LSI
TXI interrupt
operation request
generated
User
processing
TDRE flag
cleared
to 0
Data written
to TDR
TXI interrupt request generated
TEI interrupt request
generated
Figure 14.10 Example of SCI3 Operation in Transmission in Clocked Synchronous Mode
Rev.5.00 Nov. 02, 2005 Page 215 of 418
REJ09B0028-0500