CY28341-3
Byte 5: SDR/DDR Clock Register (continued)
Bit
4
@Pup
Pin#
Name
Description
1
1
1
1
1
31,32 DDRT/C4
35,36 DDRT/C3
37,38 DDRT/C2
41,42 DDRT/C1
43,44 DDRT/C0
1 = output enabled (running). 0 = output disabled asynchronously in a low state.
1 = output enabled (running). 0 = output disabled asynchronously in a low state.
1 = output enabled (running). 0 = output disabled asynchronously in a low state.
1 = output enabled (running). 0 = output disabled asynchronously in a low state.
1 = output enabled (running). 0 = output disabled asynchronously in a low state.
3
2
1
0
Byte 6: Watchdog Register
Bit
@Pup
Pin#
Name
Description
1 = Pin 26 is the input pin as PD# signal. 0 = Pin 26 is the output pin as
SRESET# signal.
7
0
26
SRESET#
This bit allows setting the Revert Frequency once the system is rebooted
due to Watchdog time out only. 0 = select frequency of existing H/W setting,
1 = select frequency of the second to last S/W table setting. (the software
setting prior to the one that caused a system reboot).
6
0
Frequency Revert
5
4
0
0
WDTEST
WD Alarm
For IMI Test - WD-Test, ALWAYS program to '0'
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).
This bit allows the selection of the time stamp for the Watchdog timer. See
Table 7
3
2
1
0
0
0
0
0
WD3
WD2
WD1
WD0
This bit allows the selection of the time stamp for the Watchdog timer. See
Table 7
This bit allows the selection of the time stamp for the Watchdog timer. See
Table 7
This bit allows the selection of the time stamp for the Watchdog timer. See
Table 7
Table 7. Watchdog Time Stamp
WD3
0
WD2
0
WD1
0
WD0
0
FUNCTION
Off
0
0
0
1
1 second
2 seconds
3 seconds
4 seconds
5 seconds
6 seconds
7 seconds
8 seconds
9 seconds
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
10 seconds
11 seconds
12 seconds
13 seconds
14 seconds
15 seconds
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
Rev 1.0,November 21, 2006
Page 7 of 19