Emerson MVME2500 사용자 설명서
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Memory Maps and Registers
MVME2500 Installation and Use (6806800L01H)
96
5.5.16 PLD Watchdog Timer Refresh Register
The MVME2500 provides a watchdog timer refresh register.
CPU_RESET
CPU_HRESET_REQ_L Reset Reason
1 - Reset is due to CPU_HRESET_REQ_L signal
0 -None
1 - Reset is due to CPU_HRESET_REQ_L signal
0 -None
WD_TIMEOUT
Watchdog Timeout Reset Reason
1 - Reset is due to watchdog timing out
0 - None
1 - Reset is due to watchdog timing out
0 - None
LRSTO
TSI LRSTO Reset Reason
1 - Reset is due to LRSTO signal
0 - None
1 - Reset is due to LRSTO signal
0 - None
Sft_RST
Soft Reset - Reset Reason
1 - Reset is due to Soft_RST register being set, or the front
panel switch being pressed more than three
0 - None
1 - Reset is due to Soft_RST register being set, or the front
panel switch being pressed more than three
0 - None
Table 5-19 PLD Watchdog Timer Refresh Register
REG
PLD Watch Dog Timer Load - 0xFFC80600
Bit
15
14
13
12
11
10
9
8
7 6 5 4 3 2 1 0
Field
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
Refresh
OPER
R
RESET
0000
Field Description
Refresh
Counter Refresh. When the pattern 0x00DB is written, the watchdog counter
will be reset to zero.
will be reset to zero.