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Renesas SH7781 User Manual

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11. Local Bus State Controller (LBSC)

Rev.1.00 Jan. 10, 2008 Page 418 of 1658
REJ09B0261-0100

Table 11.16 Relationship between Address and CE when Using PCMCIA Interface

Bus (Bits)

Read/

Write

Access

(bits)*

1

Odd/

Even

IOIS16 Access

CE2

CE1

A0

D15 to D8

D7 to D0

8 Read

8

Even

×

⎯ H

L

L

Invalid

Read

data

Odd

×

⎯ H

L

H

Invalid

Read

data

16

Even

×

First

H

L

L

Invalid

Lower read data

Even

×

Second

H

L

H

Invalid

Upper read data

Odd

×

Write

8

Even

×

⎯ H

L

L

Invalid

Write

data

Odd

×

⎯ H

L

H

Invalid

Write

data

16

Even

×

First

H

L

L

Invalid

Lower write data

Even

×

Second

H

L

H

Invalid

Upper write data

Odd

×

16 Read

8

Even

×

⎯ H

L

L

Invalid

Read

data

Odd

×

⎯ L H

H

Read

data

Invalid

16

Even

×

L

L

L

Upper read data Lower read data

Odd

×

Write

8

Even

×

⎯ H

L

L

Invalid

Write

data

Odd

×

⎯ L H

H

Write

data

Invalid

16

Even

×

L

L

L

Upper write data Lower write data

Odd

×

Read 8

Even L

⎯ H

L

L

Invalid

Read

data

Odd

L

⎯ L H

H

Read

data

Invalid

Dynamic

Bus Sizing*

2

16

Even

L

L

L

L

Upper read data Lower read data

Odd

L

Write

8

Even

L

⎯ H

L

L

Invalid

Write

data

Odd

L

⎯ L H

H

Write

data

Invalid

16

Even

L

L

L

L

Upper write data Lower write data

Odd

L

Read

8

Even

H

⎯ H

L

L

Invalid

Read

data

Odd

H

First

L

H

H

Invalid

Invalid

Odd

H

Second

H

L

L

Invalid

Read

data

16

Even

H

First

L

L

L

Invalid

Lower read data

Even

H

Second

H

L

H

Invalid

Upper read data

Odd H