Figure 16.4 Md1/Txd2 Pin; Figure 16.5 Md2/Rxd2 Pin - Hitachi SH7751 Hardware Manual

MD1/TxD2
Mode setting
register
SPTRW: Write to SPTR
MD2/RxD2
SPTRR: Read SPTR
Rev. 3.0, 04/02, page 660 of 1064

Figure 16.4 MD1/TxD2 Pin

Mode setting
register
D0
SPTRR

Figure 16.5 MD2/RxD2 Pin

Reset
R
D1
Q
D
SPB2IO
C
SPTRW
Reset
R
D0
Q
D
SPB2DT
C
SPTRW
Internal data bus
Internal data bus
SCIF
Transmit enable
signal
Serial transmit data
SCIF
Serial receive
data