Z1601720ASC View Datasheet(PDF) - Zilog

Part Name

Description

MFG CO.

Z1601720ASC

PCMCIA Interface Solution

Zilog 

Z86017/Z16017 PCMCIA Interface Solution

Product Specification

22

• ATA_HIOR (Output, 8 mA)

ATA/IDE Mode: ATA Host I/O Read Strobe.

Peripheral Mode: I/O read strobe or memory read strobe, depending

on configuration.

• ATA_HIOW (Output, 8 mA)

ATA/IDE Mode: ATA Host I/O Write Strobe.

Peripheral Mode: I/O Write Strobe or Memory Write Strobe,

depending on configuration.

• ATA_IOCS16 (Input, 100K Pull-Up)

ATA/IDE Mode: I/O channel is 16 bits wide; input on the local ATA

bus.

Peripheral Mode: I/O access is 16 bits wide.

• ATA_IREQ (Input)

ATA/IDE Mode: ATA/IDE host Interrupt Request.

Peripheral Mode: Interrupt Request.

• ATA_IOCHRDY (Input, 100K Pull-Up)

ATA/IDE Mode: ATA/IDE I/O Channel Ready-Input.

Peripheral Mode: I/O Channel Ready.

• ATA_HRESET (Output, 8 mA)

ATA/IDE Mode: ATA Host Reset-Output to the ATA/IDE controller

(programmable).

Peripheral Mode: Host reset output to the peripheral device if

PCMCIA signal is active (programmable).

• ATA_DREQ/BVD1 (Input)

ATA/IDE Mode: ATA/IDE DMA request from the ATA/IDE

controller.

Peripheral Mode: Peripheral bus DMA Request or when in memory

mode Battery Voltage 1 Detect input.

• ATA_DACK/BVD2 (I/O, 8 mA)

ATA/IDE Mode: ATA/IDE host DMA Acknowledge.

Peripheral Mode: Peripheral Bus DMA Acknowledge. DMA

PS012002-1201

PCMCIA Interface Overview

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