Watchdog Timer Control Register (Wtim); Table 23: Geographic Addressing Register (Geoad); Table 24: Watchdog Timer Control Register (Wtim) - Kontron CP3005-SA User Manual

The Geographic Addressing Register holds the CompactPCI geographic address (backplane-unique physical slot
number).

Table 23: Geographic Addressing Register (GEOAD)

Address
Bit 7
Name
Access
Reset
Bitfield
7 - 5 Res
4 - 0 GA

4.3.12. Watchdog Timer Control Register (WTIM)

Table 24: Watchdog Timer Control Register (WTIM)

Address
Bit 7
Name
WTE
Access
R/W
Reset 0
Bitfield
7 WTE
6 - 5 WMD
4 WEN/WT
R
3 - 0 WTM
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6 5
Reserved
R
000
Description
Reserved
Geographic Address
6 5
WMD
R/W
00
Description
WTE Watchdog timer expired status bit:
0 = Watchdog timer has not expired
1 = Watchdog timer has expired.
Writing a '1' to this bit resets it to 0.
Watchdog mode:
00 = Timer mode
01 = Reset mode
10 = Interrupt mode
11 = Cascaded mode (dual-stage mode)
Watchdog enable / Watchdog trigger control bit:
0 = Watchdog timer not enabled
Prior to the Watchdog being enabled, this bit is
known as WEN. After the Watchdog is enabled, it is known as WTR.
Once the Watchdog timer has been enabled, this bit cannot be reset
to 0. As long as the Watchdog timer is enabled, it will indicate a '1'.
1 = Watchdog timer enabled
Writing a '1' to this bit causes the Watchdog to be retriggered to the
timer value indicated by WTM.
WTM Watchdog timeout settings:
0000 = 0.125 s
0001 = 0.25 s 1001 = 64 s
0010 = 0.5 s 1010 = 128 s
0x28A
4 3
0x28C
4 3
WEN/WTR
R/W
0
1000 = 32 s
CP3005-SA – Rev. 0.6 Preliminary
2 1
GA
R
N/A
2 1
WTM
R/W
0000
0
0
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