SH7147 Datasheet, PDF (611/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 13 Serial Communication Interface (SCI)
TXD
Reset
R
QD
SPBIO
C
Bit 1
SPTRW
Reset
R
QD
SPBDT
C
Bit 0
SPTRW
Internal data bus
Transmit enable signal
Serial transmit data
[Legend]
SPTRW: SCSPTR write
Figure 13.20 SPBIO Bit, SPBDT Bit, and TXD Pin
Rev. 3.00 Oct. 06, 2008 Page 587 of 1080
REJ09B0230-0300