HD6433044 Datasheet, PDF (713/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

21.4.7 SCI Input/Output Timing
SCI timing is shown as follows:
• SCI input clock timing
Figure 21-26 shows the SCK input clock timing.
• SCI input/output timing (synchronous mode)
Figure 21-27 shows the SCI input/output timing in synchronous mode.
SCK0, SCK1
t_SCKW
t_SCKr
t_SCKf
t_Scyc
SCK0, SCK1
TxD0, TxD1
(transmit
data)
RxD0, RxD1
(receive
data)
Figure 21-26 SCK Input Clock Timing
t_Scyc
t_TXD
t_RXS t_RXH
Figure 21-27 SCI Input/Output Timing in Synchronous Mode
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