SH7137 Datasheet, PDF (619/1160 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 14 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 14.23 SPBIO Bit, SPBDT Bit, and TXD Pin
Rev. 2.00 Sep. 10, 2008 Page 593 of 1130
REJ09B0402-0200