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| 10 / 100 Ethernet Adapter in PCI Mezzanine Card (PMC) Form-Factor FEATURES: * Bus Interface: 33Mhz, 5V, 32-bit PCI bus version 2.1 Electrical Compliance * Form-Factor: Single-wide PCI Mezzanine Card (74mm x 149mm). * Intel 82558 Fast Ethernet Single Chip LAN Controller - Dual mode 10BASE-T/100BASE-TX PHY - 100 Mbps transmission with minimum interframe spacing - Glueless 32-bit PCI bus master interface - Full or half duplex capable at 10 or 100 Mbps * Automatic 10 / 100 Mb configuration supports Ethernet, Fast Ethernet, and mixed bandwidth networks via a single RJ-45 connector. * Compliant with IEEE 802.3u 100BASE-T specification. PRELIMINARY IDT7M9401 DESCRIPTION: The IDT7M9401 provides reliable, high performance 10/100 Ethernet connectivity for PCI Mezzanine Card (PMC)-based systems. The IDT7M9401 is designed for mechanical and electrical compliance with the Common Mezzanine Card Specification (IEEE1386) and the PCI Mezzanine Card Specification (IEEE1386.1). This low-profile I/O card is ideally suited to serve as an Ethernet I/O card mounted on a standard VME or Compact PCI Single Board Computer. OVERVIEW: The central component of the IDT7M9401 is the Intel 82558 Fast Ethernet single chip LAN controller. The 82558 connects directly to the PCI bus, an expansion Flash memory device and an Ethernet LAN. The 82558's PCI bus master interface provides efficient, low latency DMA transfer capability over PCI. The 82558 chip provides both the Ethernet MAC and PHY layers in a single device. This integration enhances reliability and reduces power consumption requirements. BLOCK DIAGRAM 25 M hz Osc SERIAL E 2 PRO M Rx Rx RJ-45 M ag netics Tx Tx Flash (O ptiona l) Inte l 82 558 LIN K AC T IVIT Y 10 0 M B LE D LE D LE D PCI BUS, 32 -b it, 33 M hz, 5V 4277 drw 01 MAY 1999 1 (c) 1999 Integrated Device Technology, Inc. DSC-4277/1 IDT7M9401 IDT PIN ASSIGNMENTS The 32-bit PCI bus is implemented in two 64-pin headers (PN1 & PN2) in compliance with the PMC Specification and is provided below. P N1 P in # 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 Sig nal Name TCK GND INTB# BUSMODE1# INTD# GND CLK GND REQ# V(I/O) (1) AD[28] AD[25] GND AD[22] AD[19] V(I/O) (1) FRAME# GND DEVSEL# GND SDONE# PAR V(I/O) (1) AD[12] AD[09] GND AD[06] AD[04] V(I/O) (1) AD[02] AD[00] GND Sig nal Name -12V (1) INTA# INTC# +5v PCI-RSVD PCI-RSVD GND GNT# +5V AD[31] AD[27] GND C/BE[3]# AD[21] +5V AD[17] GND IRDY# +5V LOCK# SBO# (1) GND AD[15] AD[11] +5V C/BE[0]# AD[05] GND AD[03] AD[01] +5V REQ64# (1) P in # 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 4277 tbl 01 P N2 P in # 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 Sig nal Name +12V (1) TMS TDI GND PCI-RSVD BUSMODE2# RST# +3.3V (2) PCI-RSVD AD[30] GND AD[24] IDSEL +3.3V (2) AD[18] AD[16] GND TRDY# GND PERR# +3.3V (2) C/BE[1]# AD[14] GND AD[08] AD[07] +3.3V (2) PMC-RSVD PMC-RSVD GND ACK64# (1) GND Sig nal Name TRST# TDO GND PCI-RSVD PCI-RSVD +3.3V (2) BUSMODE3# BUSMODE4# GND AD[29] AD[26] +3.3V (2) AD[23] AD[20] GND C/BE[2]# PMC-RSVD +3.3V (2) STOP# GND SERR# GND AD[13] AD[10] +3.3V (2) PMC-RSVD PMC-RSVD GND PMC-RSVD PMC-RSVD +3.3V (2) PMC-RSVD P in # 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 4277 tbl 02 NOTES: 1. These signals are not connected (NC) on the IDT7M9401. 2. +3.3V is not used by the IDT7M9401; however, it is decoupled on the board. 2 (c) 1999 Integrated Device Technology, Inc. DSC-4277/1 ORDERING INFORMATION IDT XX XXX Device Type X Power X Speed X Package X Process/ Tem perature Range Blank Comm ercial (0C to +70C) M TM Silver Face Plate Black Face P late 100 Speed in M egabits/Second S Standard Configuration 7M9401 10 / 100 Ethernet Adapter 4277 drw 02 CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 for SALES: 800-345-7015 fax: 408-492-8674 for Tech Support: 408-988-5647 ssdhelp@idt.com www.idt.com The IDT logo is a registered trademark of Integrated Device Technology, Inc. 3 |
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