HD6417751 Datasheet, PDF (752/1105 Pages) Renesas Technology Corp – SuperH RISC engine

SCIF I/O port block diagrams are shown in figures 18.6 to 18.10.
MD1/TxD2
Reset
R
QD
SPB2IO
C
SPTRW
Reset
R
QD
SPB2DT
C
SPTRW
Mode setting
register
SPTRW: Write to SPTR
Figure 18.6 MD1/TxD2 Pin
Internal data bus
SCIF
Transmit enable
signal
Serial transmit data
MD2/RxD2
Mode setting
register
SPTRR
SPTRR: Read SPTR
Internal data bus
Figure 18.7 MD2/RxD2 Pin
SCIF
Serial receive
data
Rev. 3.0, 04/02, page 712 of 1064