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DEVELOPING AN ST7265x MASS STORAGE APPLICATION

3.3.1.2 Compact Flash Card 8-bit Memory Mode

Some hardware interface pins are fixed by the MAL firmware as shown in the table below.

Other pins are user definable in the Media Configuration Module (Mconfig.c)

In this configuration, pins PA4, PA6 and PA7 can only be used as inputs (no interrupt capa-

bility).

3.3.1.3 SmartMediaCard Interface

Some hardware interface pins are fixed by the MAL firmware as shown in the table below.

Other pins are user definable in the Media Configuration Module (Mconfig.c)

In this configuration, pins PA5, PA6 and PA7 can only be used as inputs (no interrupt capa-

bility).

3.3.1.4 MultiMediaCard Interface

This interface is used for MultimediaCard (MMC), Secure Digital (SD) Card in MMC mode and

Hitachi cards.

Some hardware interface pins are fixed by the MAL firmware as shown in the table below.

Other pins are user definable in the Media Configuration Module (Mconfig.c).

3.3.1.5 Sony Stick

Some hardware interface pins are fixed by the MAL firmware as shown in the table below.

Other pins are user definable in the Media Configuration Module (Mconfig.c).

3.3.2 Software Interfaces

The software interfaces described in this document are not media specific.

3.3.2.1 Status Information

Medium Capacity

The capacity of each medium can be read from the Medium_Capacity[ ] variable

DWORD Medium_Capacity[MAX_LUN+1];

CompactFlash-

Bus

D0

D1

D2

D3

D4

D5

D6

D7

A0

A1

A2

RE

WE

ST7265x Pin

PB0

PB1

PB2

PB3

PB4

PB5

PB6

PB7

PA0

PA1

PA2

PA3

PA5

SmartMediaBus

D0

D1

D2

D3

D4

D5

D6

D7

ALE

WE

RE

RBUSY

CLE

ST7265x Pin

PB0

PB1

PB2

PB3

PB4

PB5

PB6

PB7

PA2

PA1

PA3

PA4

PA0

MMC Bus

DATA

COMMAND

CLOCK

ST7265x Pin

PE6

PE5

PE7

Sony Stick Bus

BS

DATA

CLOCK

ST7265x Pin

PC1

PC2

PC3