Motorola MVME6100 用户手册
System Status Register 2
1-13
1
System Status Register 2
The MVME6100 board system status register 2 provides board control and
status bits.
status bits.
BD_FAIL
Board Fail. This bit is used to control the Board Fail LED located on
the front panel. A set condition illuminates the front panel LED and a
cleared condition extinguishes the front panel LED.
the front panel. A set condition illuminates the front panel LED and a
cleared condition extinguishes the front panel LED.
EEPROM_WP
Not used on the MVME6100.
FLASHA_WP
Software Flash Bank A Write Protect. This bit is to provide software-
controlled protection against inadvertent writes to the expansion
FLASH memory devices. Clearing this bit and disabling the HW
write-protect will enable writes to the Bank A Flash devices. This bit
is set during reset and must be reset by the system software to enable
writing of the flash devices.
controlled protection against inadvertent writes to the expansion
FLASH memory devices. Clearing this bit and disabling the HW
write-protect will enable writes to the Bank A Flash devices. This bit
is set during reset and must be reset by the system software to enable
writing of the flash devices.
Table 1-8. System Status Register 2
REG
System Status Register 2- 0xF1100001
BIT
7
6
5
4
3
2
1
0
FIELD
BD
_
F
A
IL
EEP
R
O
M
_
WP
(NO
T
U
S
ED)
FLAS
HA_
W
P
TS
T
A
T_MAS
K
FB
OO
T
B
_
W
P
FB
A_
WP
_HD
R
FB
OO
T
B
_
W
P_H
D
R
RS
V
D
OPER
R/W
R
R/W
R/W
R/W
R
R
R
RESET
1
1
1
1
1
X
X
X