ix
I2C Serial Interface and Devices ....................................................................... 4-9
Interrupt Controller ........................................................................................... 4-9
PCI Bus Arbitration ........................................................................................ 4-10
VMEbus Interface .................................................................................................. 4-11
PMCspan Interface ................................................................................................. 4-11
Flash Memory ........................................................................................................ 4-11
System Memory ..................................................................................................... 4-11
Asynchronous Serial Ports ..................................................................................... 4-11
PCI Mezzanine Card Slots ..................................................................................... 4-12
Real-Time Clock/NVRAM/Watchdog Timer ........................................................ 4-13
IDSEL Routing ....................................................................................................... 4-14
Reset Control Logic ............................................................................................... 4-14
Debug Support ........................................................................................................ 4-14
Processor JTAG/COP Headers ............................................................................... 4-14
CHAPTER 5
Pin Assignments
Introduction .............................................................................................................. 5-1
Connectors ................................................................................................................ 5-1
PMC Expansion Connector (J4) ....................................................................... 5-1
Gigabit Ethernet Connectors (J9, J93) .............................................................. 5-5
PCI Mezzanine Card (PMC) Connectors (J11 – J14, J21 – J24) ...................... 5-6
COM1 Connector (J19) ................................................................................... 5-18
VMEbus P1 Connector ................................................................................... 5-18
VMEBus P2 Connector (PMC Mode) ............................................................ 5-20
VMEbus P2 Connector (IPMC Mode) ............................................................ 5-23
Headers ................................................................................................................... 5-26
SCON Header (J7) .......................................................................................... 5-26
Boundary Scan Header (J8) ............................................................................ 5-27
PMC/IPMC Selection Headers (J10, J15 – J18, J25 – J28) ............................ 5-27
COM2 Header (J29) ........................................................................................ 5-28
Front/Rear Ethernet and Transition Module Options Header (J30) ................ 5-29
Processor JTAG/COP Header (J42) ................................................................ 5-30
APPENDIX A
Specifications
Power Requirements ................................................................................................A-1
Supply Current Requirements ...........................................................................A-1
Environmental Specifications ...................................................................................A-2
