Computer Hardware User Manual

Table Of Contents
xii
I/O Control Register 2 ..............................................................................2-97
I/O Control Register 3 ..............................................................................2-97
Miscellaneous Control Register ...............................................................2-98
GCSR Programming Model ..................................................................................2-100
Programming the GCSR.................................................................................2-102
VMEchip2 Revision Register ................................................................2-103
VMEchip2 ID Register ...........................................................................2-104
VMEchip2 LM/SIG Register .................................................................2-104
VMEchip2 Board Status/Control Register .............................................2-106
General Purpose Register 0 ....................................................................2-107
General Purpose Register 1 ....................................................................2-107
General Purpose Register 2 ....................................................................2-107
General Purpose Register 3 ....................................................................2-108
General Purpose Register 4 ....................................................................2-108
General Purpose Register 5 ....................................................................2-108
CHAPTER 3 PCCchip2
Introduction ...............................................................................................................3-1
Summary of Major Features...............................................................................3-1
Functional Description ..............................................................................................3-2
General Description............................................................................................ 3-2
BBRAM Interface .............................................................................................. 3-3
82596CA LAN Controller Interface................................................................... 3-3
MPU Port and MPU Channel Attention......................................................3-3
MC68040-Bus Master Support for 82596CA............................................. 3-4
LANC Bus Error .........................................................................................3-4
LANC Interrupt...........................................................................................3-5
53C710 SCSI Controller Interface .....................................................................3-6
Parallel Port Interface......................................................................................... 3-6
General Purpose I/O Pin..................................................................................... 3-7
CD2401 SCC Interface....................................................................................... 3-7
Tick Timer ..........................................................................................................3-9
Overall Memory Map ..............................................................................................3-10
Programming Model................................................................................................ 3-11
Chip ID Register...............................................................................................3-14
Chip Revision Register.....................................................................................3-14
General Control Register..................................................................................3-15
Vector Base Register ........................................................................................3-16