Motorola MVME5100 Manual De Usuario
1-32
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Product Data and Memory Maps
1
Board Last Reset Register
This register is used to retain the source of the most recent reset.
PWRON
Power-On Reset. If set, a power-on reset has occurred or an
undervoltage reset has occurred on 3.3V or 5V.
undervoltage reset has occurred on 3.3V or 5V.
FPBTN
Front Panel Push Button Reset. If set, a front panel push button
reset has occurred.
reset has occurred.
WDT2
Watchdog Timer Level 2 Reset. If set, a level 2 Watchdog timer
reset has occurred.
reset has occurred.
CPCIRST
CompactPCI Reset. If set, a CompactPCI RST# reset has
occurred. Not applicable for the MVME5100.
occurred. Not applicable for the MVME5100.
CMDRST
CompactPCI Command Reset. If set, a software reset command
has been issued to the 21554 bridge from the CompactPCI bus.
Not applicable for MVME5100.
has been issued to the 21554 bridge from the CompactPCI bus.
Not applicable for MVME5100.
SWHRST
Software Hard Reset. If set, a software initiated hard reset has
occurred via the PBC Port 92 Fast Reset bit of the SA Test Mode
register.
occurred via the PBC Port 92 Fast Reset bit of the SA Test Mode
register.
REG
Board Last Reset Register - Offset 80F8h
BIT
RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7
FIELD
SW
HR
S
T
CM
D
R
ST
CP
CIR
S
T
WD
T
2
FPB
T
N
PW
RO
N
OPER
R
R
R
R
R
R
R
R
RESET
x
x
x
x
x
x
x
x
REQUIRED
OR
OPTIONAL
X
X
O
O
O
O
O
O