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Figure 25.44 i/o port timing, Figure 25.45 dreq input timing, Figure 25.46 dack , tend output timing – Renesas SH7641 User Manual

Page 1005

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Section 25 Electrical Characteristics

Rev. 4.00 Sep. 14, 2005 Page 955 of 982

REJ09B0023-0400

t

Scyc

t

TXD

SCK

TxD
(data transmission)

RxD
(data reception)

t

RXH

t

RXS

Figure 25.43 SCIF Input/Output Timing in Synchronous Mode

t

PORTS

CKIO

Ports 7 to 0

(read)

Ports 7 to 0

(write)

t

PORTH

t

PORTD

Figure 25.44 I/O Port Timing

t

DRQS

t

DRQH

CKIO

DREQn

Figure 25.45

DREQ Input Timing

CKIO

TEND

DACKn

t

DACD

t

DACD

Figure 25.46

DACK, TEND Output Timing

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