HD6417750 Datasheet, PDF (664/1039 Pages) Renesas Technology Corp – SuperH RISC engine

MD7/TxD
Mode setting register
Reset
R
QD
SPB0IO
C
SPTRW
Reset
QR _D
SPB0DT
C
SPTRW
SPTRW: Write to SPTR
Figure 15.3 MD7/TxD Pin
Internal data bus
SCI
Transmit enable signal
Serial transmit data
RxD
SCI
Serial receive data
SPTRR
SPTRR: Read SPTR
Internal data bus
Figure 15.4 RxD Pin
Rev. 6.0, 07/02, page 612 of 986