ax88190a ASIX Electronics Corporation, ax88190a Datasheet - Page 9
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ax88190a
Manufacturer Part Number
ax88190a
Description
Pcmcia 10/100m Fast Ethernet Mac Controller With Embedded Memory
Manufacturer
ASIX Electronics Corporation
Datasheet
1.AX88190A.pdf
(49 pages)
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2.4 SNI Interface pins group
STXC
STXD
STXE
SCOL
SRXC
SRXD
SCRS
SLINK#
Tab - 4 Serial Network Interface pins group
2.5 Modem interface pins group
MRDY
MRESET#
MDCS#
MPWDN
MINT
MRIN#
MAUDIO
Tab - 5 Modem interface signals group
2.6 General Purpose I/O pins group
GPI[3]
GPI[2]
GPI[1]
GPI[0]
Signal Name
Signal Name
SIGNAL
AX88190A
TYPE
Type
Type
I/PU
I/PU
I/PD
I/PU
I/PD
O
O
O
O
O
I
I
I
I
I
I
I
I
I
Pin No.
Pin No.
PIN NO.
118
117
111
116
112
115
113
66
68
70
76
78
79
80
74
57
58
60
61
PCMCIA Fast Ethernet MAC Controller
Transmit Clock : this signal is driven by PHY with 20MHz clock.
Transmit Data : STXD is transition synchronously with respect to the
rising edge of STXC. For each STXC period in which STXE is
asserted, STXD is accepted for transmission by the PHY.
Transmit Enable : STXE is transition synchronously with respect to
the rising edge of STXC. STXE indicates that the port is presenting
data on STXD for transmission.
Collision : this signal is driven by PHY when collision is detected.
Receive Clock : SRXC is driven by PHY for received data
synchronization.
Receive Data : SRXD is driven by the PHY synchronously with respect
to SRXC.
Carrier Sense : Asynchronous signal SCRS is asserted by the PHY
when either the transmit or receive medium is non-idle.
Link indicator : Active low indicate the SNI interface is link to
network. When SNI is not used must keep the pin no connection or
pull high the signal.
Modem Ready : MRDY low indicates that modem is initializing the
modem after reset signal asserted or the modem is at SLEEP/STOP
mode.
Modem Reset :This signal asserts low to reset the modem chipset.
Modem Chip Select : This signal connected to modem chip select pin.
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.
Modem Interrupt : This signal driven by modem chipset to active
interrupt.
Ring Input :This signal is driven by DAA’s ring detect circuit. When
a telephone ringing signal is being received.
Modem Audio : This signal is passed to PCMCIA interface via SPKR.
Read register offset 18h bit 3 value reflects this input value.
Read register offset 18h bit 2 value reflects this input value.
Read register offset 18h bit 1 value reflects this input value.
Read register offset 18h bit 0 value reflects this input value.
9
DESCRIPTION
Description
Description
ASIX ELECTRONICS CORPORATION