Hitachi SH7750 series Hardware Manual page 818

Figure 23.64 SCI I/O Synchronous Mode Clock Timing
CKIO
DRAKn
Rev. 4.0, 04/00, page 810 of 850
SCK
TXD
RXD
CKIO
Ports 19–0
(read)
t
PORTD
Ports 19–0
(write)
Figure 23.65 I/O Port Input/Output Timing
t
DRQH
t
DRQS
t
DRAKD
Figure 23.66 '5(4
t
Scyc
t t
TXD TXD
t t
RXS RXH
t t
PORTS PORTH
t
PORTD
'5(4 '5(4/DRAK Timing '5(4
t
DRQH
t
DRQS