CY28331
Byte 6: Watchdog Control Register (continued)
Bit @Pup
Name
Description
5
0
Frequency Reversion Frequency Reversion:
This bit allows setting the Revert Frequency once the system is rebooted due to
Watchdog time out only.
0 = Selects frequency of existing H/W setting
1 = Selects frequency of the second to last S/W setting. (the software setting prior to
the one that caused a system reboot).
4
0
WD Time-out
WD Time-out:
This bit is set to “1” when the Watchdog times out. It is reset to “0” when the system
clears the WD time stamps (WD3:0).
3
2
1
0
0
0
WD3
WD2
WD1
This bit allows the selection of the time stamp for the Watchdog timer. After a
Watchdog time-out, the frequency will revert to the original frequency.
WD3 .. ..
WD0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Off (default)
1 second
2 seconds
3 seconds
4 seconds
5 seconds
6 seconds
7 seconds
8 seconds
9 seconds
10 seconds
11 seconds
12 seconds
13 seconds
14 seconds
15 seconds
0
0
WD0
Byte 7: Clock Vendor ID
Bit
7
@Pup
Description
0
1
0
1
1
0
0
0
Revision ID[1]
Revision ID[0]
Device ID[9]
Device ID[8]
Vendor ID[3]
Vendor ID[2]
Vendor ID[1]
Vendor ID[0]
6
5
4
3
2
1
0
Byte 8: Device ID
Bit
7
@Pup
Description
0
1
0
0
1
0
1
1
Device ID
Device ID
Device ID
Device ID
Device ID
Device ID
Device ID
Device ID
6
5
4
3
2
1
0
Rev 1.0,November 24, 2006
Page 7 of 16
SPECTRALINEAR [ SPECTRALINEAR INC ]
