AX88790L datasheet(10/60 Pages) ASIX

10 / 60 page

ASIX ELECTRONICS CORPORATION

AX88790 L

3-in-1 PCMCIA Fast Ethernet Controller

Signal Name

Type

Pin No.

Description

MRDY

I/PU

122

Modem Ready: MRDY low indicates that modem is initializing the

modem after reset signal asserted or the modem is at SLEEP/STOP

mode.

MRESET#

121

Modem Reset: This signal asserts low to reset the modem chipset.

MDCS#

O/PU

116

Modem Chip Select: This signal connected to modem chip select pin.

MPWDN

O/PU

120

Modem Power Down: Rockwell modem chipset, this signal asserts

low to let modem chipset into power down mode. AT&T modem

chipset, this signal asserts high to let modem chipset into power down

mode.

MINT

I/PD

117

Modem Interrupt: This signal driven by modem chipset to active

interrupt.

MRIN#

I/PU

119

Ring Input: This signal is driven by DAA’s ring detect circuit. When

a telephone-ringing signal is being received.

MAUDIO

I/PU

118

Modem Audio: This signal is passed to PCMCIA interface via SPKR.

Tab - 6 Modem interface signals group

2.7 General Purpose I/O pins group

Signal Name

Type

Pin No.

Description

GPI[2]/SPD

I/PU

113

Read register offset 17h bit 6 value reflects this input value.

GPI[1]/DPX

I/PU

106

Read register offset 17h bit 5 value reflects this input value.

GPI[0]/LINK

I/PU

103

Read register offset 17h bit 4 value reflects this input value.

Tab – 7 General Purposes I/O pins group

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