Z86M1720ASC 查看數據表（PDF） - Zilog

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Z86M1720ASC

PCMCIA Interface Solution

Zilog 

Z86017/Z16017 PCMCIA Interface Solution

Product Specification

85

Table 68. PCMCIA I/O Event Indication CCR4: Address 1Fh (Continued)

Bit Placement Bit Name

Bit 3

RSVDENAB3

Bit 2

RSVDENAB2

Bit 1

PIENAB

Bit 0

RIENAB

Description

Setting this bit enables the Changed bit in the card

configuration and status register to be set when the

RSVDEVT3 bit is set. When this bit is cleared, this

feature is disabled.

Setting this bit enables the Changed bit in the card

configuration and status register to be set when the

RSVDEVT2 bit is set. When this bit is cleared, this

feature is disabled.

Setting this bit enables the changed bit in the Card

configuration and status register to be set when the

PIEvt bit is set. When this bit is cleared, this feature

is disabled.

Setting this bit enables the changed bit in the Card

configuration and status register to be set when the

RIEvt bit is set. When this bit is cleared, this feature

is disabled.

Configuration Registers

PS012002-1201

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