Seven-Segment Display Register; Vme Registers - Motorola MVME2600 Series Reference Manual

Seven-Segment Display Register

This 16-bit register allows data to be sent to the 4-digit hexadecimal
diagnostic display. The register also allows the data to be read
back.
REG
BIT
FIELD DIG3[3:0]
OPER
RESET X X X

VME Registers

The following registers provide the following functions for the VMEbus
interface: a software interrupt capability, a location monitor function, and
a geographical address status. For these registers to be accessible from the
VMEbus, the Universe ASIC must be programmed to map the VMEbus
Slave Image 0 into the appropriate PCI I/O address range. Refer to the
VMEbus Slave Map section for additional details. The following table
shows the registers provided for various VME functions:
7-Segment Display Register - Offset $08C0
DIG2[3:0]
X X X X
DIG3[3:0] Hexadecimal value of the most significant digit.
DIG2[3:0] Hexadecimal value of the third significant digit.
DIG1[3:0] Hexadecimal value of the second significant digit.
DIG0[3:0] Hexadecimal value of the least significant digit.
ISA Local Resource Bus
DIG1[3:0]
R/W
X X X X X
DIG0[3:0]
X X X X
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