PCI Local Bus
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1
Hawk External Register Bus Address AssignmentsThis section will describe in detail the Haw k External Register Bus
Address Assignments on MVME5100. The address range for the External
Register Set on MVME5100 is fixed at $FEF88000-$FEF8FFFF.
MVME5100 Hawk External Register Bus Summary
The Hawk External Register Summary of the MVME5100 is shown in the
table below:
Table 1-9. Hawk External Register Bus Summary
Address
Bits:
REQUIRED (r)
OPTIONAL (o)
by PowerPlus II Register Name
01234567
$FEF88000
THIS GROUP
REQUIRED
UART - 1 -RBR/THR
$FEF88010 UART - 1 -IER
$FEF88020 UART - 1 -IIR/FCR
$FEF88030 UART - 1 -LCR
$FEF88040 UART - 1 -MCR
$FEF88050 UART - 1 -LSR
$FEF88060 UART - 1 -MSR
$FEF88070 UART - 1 -SCR
$FEF88080 o r r STATUS REGISTER
$FEF88090 o r r MODFAIL REGISTER
$FEF880A0 o r MODRST REGISTER
$FEF880C0 o r TBEN REGISTER