SH7080_09 Datasheet, PDF (913/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Section 16 Serial Communication Interface with FIFO (SCIF)
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 16.22 SPBIO Bit, SPBDT bit, and TXD Pin
Rev. 4.00 Dec. 15, 2009 Page 853 of 1558
REJ09B0181-0400