Sci Input/Output Timing - Hitachi H8/3022 Hardware Manual

18.3.6 SCI Input/Output Timing

SCI timing is shown as follows:
• SCI input clock timing
Figure 18-17 shows the SCI input clock timing.
• SCI input/output timing (synchronous mode)
Figure 18-18 shows the SCI input/output timing in synchronous mode.
SCK
SCK
TxD
(transmit
data)
RxD
(receive
data)
Figure 18-18 SCI Input/Output Timing in Synchronous Mode
540
t
SCKW
Figure 18-17 SCK Input Clock Timing
t
Scyc
t
TXD
t t
SCKr
t
Scyc
t t
RXS RXH
SCKf