CY28551LFXC Silicon Laboratories Inc, CY28551LFXC Datasheet - Page 10

• Manufacturer Part Number: CY28551LFXC
• Description: Clock Generators & Support Products Universal System Clk Intel AMD SiS Via
• Manufacturer: Silicon Laboratories Inc

Specifications of CY28551LFXC

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev 1.1, Faburary 1, 2008
Byte 10: Control Register 10
Byte 11: Control Register 11
Byte 12: Control Register 12
Byte 13: Control Register 13
Bit
Bit
Bit
Bit
7
6
5
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
@Pup
@Pup
@Pup
@Pup
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Type
Type
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Recovery_Frequency This bit allows selection of the frequency setting to which the clock will be
Time_Scale
Timer_SEL
DF1_N7
DF1_N6
DF1_N5
DF1_N4
DF1_N3
DF1_N2
DF1_N1
DF1_N0
DF2_N7
DF2_N6
DF2_N5
DF2_N4
DF2_N3
DF2_N2
DF2_N1
DF2_N0
DF3_N7
DF3_N6
DF3_N5
DF3_N4
DF3_N3
DF3_N2
DF3_N1
DF3_N0
Name
Name
Name
Name
The DF1_N[8:0] configures CPU frequency for Dynamic Frequency.
The DF2_N[8:0] configures CPU frequency for Dynamic Frequency.
DOC[1:2] =01.
DOC[1:2] =10
The DF3_N[8:0] configures CPU frequency for Dynamic Frequency.
DOC[1:2] =11
restored once the system is rebooted
0 = Use HW settings 1 = Recovery N[8:0]
Timer_SEL selects the WD reset function at SRESET pin when WD times
out.
0 = Reset and Reload Recovery_Frequency
1 = Only Reset
Time_Scale allows selection of WD time scale
0 = 294 ms, 1 = 2.34 s
Description
Description
Description
Description
CY28551
Page 10 of 29