Z86M1720ASC 查看數據表（PDF） - Zilog

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Z86M1720ASC

PCMCIA Interface Solution

Zilog 

Z86017/Z16017 PCMCIA Interface Solution

Product Specification

44

Table 17. Host Chip Select Designations

Register 2

Bit 4

EN_OR_CS01

0

0

1

1

1

ATA_HCS0

0

1

0

0

1

ATA_HCS0

Internal HCS1 (External)

X

0

X

1

0

0

1

1

X

1

Register 2

Bit 5

EN_SPKR

0

1

1

1

0

0

Table 18. Audio Pin Configurations

EXTP_AUDIO

X

0

1

0

0

0

Register 7 Register 2

Bit 0

Bit 3

ATA_MODE EN_DASP

0

0

0

0

0

0

0

0

0

0

1

x

PC_SPKR/

DASP//DREQ

Float - Z

1

0

AT_DREQ Input

AT_DREQ Input

DASP mode

PS012002-1201

Programming Internal Registers

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