SMC032AF View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

Manufacturer

SMC032AF

32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash™ card

Numonyx -> Micron 

SMCxxxAF

Electrical interface

Table 9. Signal description (continued)

Signal name

Direction

Pin

–WE

(PC card memory mode)

–WE

I

36

(PC card I/O mode)

–WE

(True IDE mode)

WP

(PC card memory mode)

–IOIS16

O

24

(PC card I/O mode)

–IOCS16

(True IDE mode)

Description

Driven by the host to strobe memory write data to the

registers.

Used for writing to the configuration registers.

Not used, should be connected to VCC by the host.

No write protect switch available. It is held Low after the

completion of the reset initialization sequence.

Used for the 16 bit port (–IOIS16) function. Low indicates

that a 16 bit or odd byte only operation can be performed

at the addressed port.

Asserted Low when the card is expecting a word data

transfer cycle.

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