SH7763 Datasheet, PDF (1227/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 28 Serial Communication Interface with FIFO/IrDA Interface (SCIF/IrDA)
Figure 28.8 shows an example of the operation for transmission in asynchronous mode.
Start
1 _bit
Data
Parity Stop Start
bit bit bit
Data Parity Stop
bit bit
1
Serial data
SCIF_TXD
0 D0 D1
D7 0/1 1 0 D0 D1
D7 0/1 1
Idle state
(mark state)
TDFE flag
TEND flag
TXI interrupt
request
Data written to SCFTDR
and TDFE flag read as 1
then cleared to 0 by TXI
interrupt handler
One frame
TXI interrupt
request
Figure 28.8 Sample SCIF Transmission Operation
(Example with 8-Bit Data, Parity, One Stop Bit)
Rev. 1.00 Oct. 01, 2007 Page 1161 of 1956
REJ09B0256-0100