SH7708 Datasheet, PDF (433/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

MD1/TxD
Reset
R
QD
SPB0IO
C
SPTRW
Reset
R
QD
SPB0DT
C
SPTRW
Internal data bus
SCI
Transmit
enable
SPTRW: SPTR write
Figure 15.3 SCI I/O Port: MD1/TxD Pin
Serial
transmit
data
MD2/RxD
SCI
Serial
receive
data
SPTRR
SPTRR: SPTR read
Internal data bus
Figure 15.4 SCI I/O Port: MD2/RxD Pin
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