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AX88190 Datasheet(PDF) 9 Page - List of Unclassifed Manufacturers |
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AX88190 Datasheet(HTML) 9 Page - List of Unclassifed Manufacturers |
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9 / 49 page  AX88190A PCMCIA Fast Ethernet MAC Controller ASIX ELECTRONICS CORPORATION 9 2.4 SNI Interface pins group SIGNAL TYPE PIN NO. DESCRIPTION STXC I 66 Transmit Clock : this signal is driven by PHY with 20MHz clock. STXD O 68 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. STXE O 70 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. SCOL I 76 Collision : this signal is driven by PHY when collision is detected. SRXC I 78 Receive Clock : SRXC is driven by PHY for received data synchronization. SRXD I 79 Receive Data : SRXD is driven by the PHY synchronously with respect to SRXC. SCRS I 80 Carrier Sense : Asynchronous signal SCRS is asserted by the PHY when either the transmit or receive medium is non-idle. SLINK# I/PU 74 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. Tab - 4 Serial Network Interface pins group 2.5 Modem interface pins group Signal Name Type Pin No. Description MRDY I/PU 118 Modem Ready : MRDY low indicates that modem is initializing the modem after reset signal asserted or the modem is at SLEEP/STOP mode. MRESET# O 117 Modem Reset :This signal asserts low to reset the modem chipset. MDCS# O 111 Modem Chip Select : This signal connected to modem chip select pin. MPWDN O 116 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 112 Modem Interrupt : This signal driven by modem chipset to active interrupt. MRIN# I/PU 115 Ring Input :This signal is driven by DAA’s ring detect circuit. When a telephone ringing signal is being received. MAUDIO I/PD 113 Modem Audio : This signal is passed to PCMCIA interface via SPKR. Tab - 5 Modem interface signals group 2.6 General Purpose I/O pins group Signal Name Type Pin No. Description GPI[3] I 57 Read register offset 18h bit 3 value reflects this input value. GPI[2] I 58 Read register offset 18h bit 2 value reflects this input value. GPI[1] I 60 Read register offset 18h bit 1 value reflects this input value. GPI[0] I 61 Read register offset 18h bit 0 value reflects this input value. |
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