SST48CF032 datasheet(28/60 Pages) SST

28 / 60 page

Data Sheet

CompactFlash Card

SST48CF008 / 016 / 024 / 032 / 048 / 064 / 096 / 128 / 192 / 256

S71125-03-000

9/01

375

2.6 Common Memory Transfer Function

2.6.1 Common Memory Function

The Common Memory Transfer to or from the CompactFlash card can be either 8 or 16 bits.

The CompactFlash card permits both 8 and 16 bit accesses to all of its Common Memory addresses.

TABLE

2-17: COMMON MEMORY FUNCTION

Function Code

-REG

-CE2

-CE1

-OE

-WE

D15-D8

D7-D0

Standby Mode

VIH

High Z

Byte Read Access

(8 bits)

VIH

VIL

VIH

VIL

VIH

High Z

Even Byte

Odd Byte

Byte-Write Access

(8 bits)

VIH

VIL

VIH

VIL

Don’t Care

Even Byte

Odd Byte

Word Read Access

(16 bits)

VIH

VIL

VIH

Odd Byte

Even Byte

Word-Write Access

(16 bits)

VIH

VIL

VIH

VIL

Odd Byte

Even Byte

Odd Byte Read Only

(8 bits)

VIH

VIL

VIH

VIL

VIH

Odd Byte

High Z

Odd Byte-Write Only

(8 bits)

VIH

VIL

VIH

VIL

Odd Byte

Don’t Care

T2-17.0 375

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