SH7751 Datasheet, PDF (720/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

15. Serial Communication Interface (SCI)
TxD
Reset
R
QD
SPB0IO
C
SPTRW
Reset
QR _D
SPB0DT
C
SPTRW
Legend:
SPTRW: Write to SPTR
Figure 15.3 TxD Pin
Internal data bus
SCI
Transmit enable signal
Serial transmit data
SCI
RxD
Serial receive data
SPTRR
Legend:
SPTRR: Read SPTR
Internal data bus
Figure 15.4 RxD Pin
Rev.4.00 Oct. 10, 2008 Page 622 of 1122
REJ09B0370-0400