Renesas SH7781 User Manual

Page 1613

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32. Electrical Characteristics

Rev.1.00 Jan. 10, 2008 Page 1583 of 1658

REJ09B0261-0100

D15 to D0

D15 to D0
(Write)

(Read)

Legend:
IO: DACK

device

SA:

Single-address DMA transfer

DA:

Dual-address DMA transfer

Note: DACK is configured as active-high.

Tpcm1

Tpcm2

Tpcm0

Tpcm1

Tpcm2

Tpcm1w

Tpcm1w

Tpcm2w

t

AD

t

AD

t

WDD

t

BSD

t

BSD

t

BSD

t

BSD

t

WDD

t

WDD

t

RWD

t

CSD

t

CSD

t

RWD

t

RSD

t

RSD

t

RSD

t

WEDF

t

WED1

t

WEDF

t

DACD

t

RDH

t

RDS

t

RDYH

t

RDYS

t

RDYH

t

RDYS

t

DACD

t

AD

t

AD

t

WDD

t

WDD

t

WDD

t

RWD

t

CSD

t

CSD

t

RWD

t

RSD

t

RSD

t

RSD

t

WEDF

t

WED1

t

WEDF

t

DACD

TED

TEH

t

RDH

t

RDS

t

DACD

A25 to A0

CLKOUT

CExx

REG (WE0)

RD/

WR

WE1

RD

BS

RDY

DACKn
(DA)

(1) TED = 0, THE = 0, no wait

(2) TED = 1, THE = 1, one internal wait + one external wait cycles

Figure 32.17 PCMCIA Memory Bus Cycle

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