Motorola MVME5100 用户手册
2-94
Computer Group Literature Center Web Site
Hawk PCI Host Bridge & Multi-Processor Interrupt Controller
2
RELOAD Reload. This field is written with a value that will be used
to reload the timer. The RELOAD field may only be
modified on the second step of a successful two step
arming process.
modified on the second step of a successful two step
arming process.
Note
An R206 resistor must be installed if a board reset is the result of
a timeout of Watchdog Timer 2. See the attached sample for an
example of PPCBug setting WDT2.
a timeout of Watchdog Timer 2. See the attached sample for an
example of PPCBug setting WDT2.
PPC6-Bug>md feff0068
FEFF0068 000FFFFF 0000FFFF 03FE4000
00000000 ...........@.....
FEFF0078 00000000 FFFFFFFE FFFFFFFF
FFFFFFFF .................
PPC6-Bug>md feff006c
FEFF006C 0000FFFF 03FE4000 00000000
00000000 ......@...........
FEFF007C FFFFFFFE FFFFFFFF FFFFFFFF
FFFFFFFF ...................
PPC6-Bug>mw feff0068 55:b
Effective address: FEFF0068
Effective data : 55
0100
16 us
1 sec
0101
32 us
2 sec
0110
64 us
4 sec
0111
128 us
8 sec
1000
256 us
16 sec
1001
512 us
32 sec
1010
1024 us
1 min
1011
2048 us
2 min
1100
4096 us
4 min
1101
8192 us
8 min
1110
16,384 us
16 min
1111
32,768 us
32 min
RES
Timer Resolution
Approximate Max
Time