PD6710 datasheet(88/138 Pages) INTEL

88 / 138 page

PD6710/’22 — ISA-to-PC-Card (PCMCIA) Controllers

Datasheet

12.0

ATA Mode Operation

The PD67XX PC Card interfaces can be dynamically configured to support a PC Card–compatible

ATA disk interface (commonly known as ‘IDE’) instead of the standard PC Card interface. Disk

drives that can be made mechanically-compatible with PC Card dimensions can thus operate

through the socket using the ATA electrical interface.

Configuring a socket to support ATA operation changes the function of certain card socket signals

to support the needs of the ATA disk interface. Table 17 lists each interface pin and its function

when a PD67XX card socket is operating in ATA mode. Refer to application note AN-PD5,

Configuring PCMCIA Sockets for ATA Drive Interface, for more information.

All register functions of the PD67XX are available in ATA mode, including socket power control,

interface signal disabling, and card window control. No memory operations are allowed in ATA

mode.

Table 17. ATA Pin Cross-Reference (Sheet 1 of 3)

PC Card Socket

Pin Number

Function

PC Card

Interface

ATA Interface

Ground

2D3

3D4

4D5

5D6

6D7

7-CE1

-CS0

A10

n/c

-OE

-ATA (always low)

A11

n/c

CS1*

n/c

A13

n/c

A14

n/c

-WE

n/c

-IREQ

IREQ

VCC

VPP1

n/c

A16

n/c

A15

n/c

A12

n/c

1. Not supported by the PD67XX.

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