Kontron CP3005-SA, Руководство пользователя

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CP3005-SA – Rev. 0.6 Preliminary
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The Geographic Addressing Register holds the CompactPCI geographic address (backplane-unique physical slot
number).
Table 23: Geographic Addressing Register (GEOAD)
Address 0x28A
Bit 7 6 5 4 3 2 1 0
Name
Reserved
R
000
GA
R
N/A
Access
Reset
Bitfield Description
7 - 5 Res Reserved
4 - 0 GA Geographic Address
4.3.12. Watchdog Timer Control Register (WTIM)
Table 24: Watchdog Timer Control Register (WTIM)
Address 0x28C
Bit 7 6 5 4 3 2 1 0
Name
WTE
WMD
R/W
00
WEN/WTR
WTM
R/W
0000
Access R/W R/W
Reset 0 0
Bitfield Description
7 WTE 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.
6 - 5 WMD Watchdog mode:
00 = Timer mode
01 = Reset mode
10 = Interrupt mode
11 = Cascaded mode (dual-stage mode)
4 WEN/WT
R 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.
3 - 0 WTM WTM Watchdog timeout settings:
0000 = 0.125 s 1000 = 32 s
0001 = 0.25 s 1001 = 64 s
0010 = 0.5 s 1010 = 128 s