Sci Input/Output Timing - Renesas F-ZTAT H8 Series Hardware Manual

Section 21 Electrical Characteristics
21.3.7

SCI Input/Output Timing

SCI timing is shown as follows:
• SCI input clock timing
Figure 21.22 shows the SCK input clock timing.
• SCI input/output timing (synchronous mode)
Figure 21.23 shows the SCI input/output timing in synchronous mode.
SCK0, SCK1
SCK0, SCK1
TxD0, TxD1
(transmit
data)
RxD0, RxD1
(receive
data)
Figure 21.23 SCI Input/Output Timing in Synchronous Mode
Rev. 3.00 Mar 21, 2006 page 656 of 814
REJ09B0302-0300
t
SCKW
Figure 21.22 SCK Input Clock Timing
t
Scyc
t
TXD
t
SCKr
t
Scyc
t t
RXS RXH
t
SCKf