CY28551-3
Document #: 001-05677 Rev. *D
Page 11 of 29
Byte 14: Control Register 14
Bit
@Pup
Type
Name
Description
7
0
R/W
CPU_DAF_N7
If Prog_CPU_EN is set, the values programmed in CPU_DAF_N[8:0] and
CPU_DAF_M[6:0] will be used to determine the CPU output frequency.
The setting of the FS_Override bit determines the frequency ratio for CPU
and other output clocks. When it is cleared, the same frequency ratio
stated in the Latched FS[E:A] register will be used. When it is set, the
frequency ratio stated in the FSEL[3:0] register will be used.
6
0
R/W
CPU_DAF_N6
5
0
R/W
CPU_DAF_N5
4
0
R/W
CPU_DAF_N4
3
0
R/W
CPU_DAF_N3
2
0
R/W
CPU_DAF_N2
1
0
R/W
CPU_DAF_N1
0
0
R/W
CPU_DAF_N0
Byte 15: Control Register 15
Bit
@Pup
Type
Name
Description
7
0
R/W
CPU_DAF_N8
If Prog_CPU_EN is set, the values programmed in CPU_DAF_N[8:0] and
CPU_DAF_M[6:0] will be used to determine the CPU output frequency.
The setting of the FS_Override bit determines the frequency ratio for CPU
and other output clocks. When it is cleared, the same frequency ratio
stated in the Latched FS[E:A] register will be used. When it is set, the
frequency ratio stated in the FSEL[3:0] register will be used.
6
0
R/W
CPU_DAF_M6
5
0
R/W
CPU_DAF_M5
4
0
R/W
CPU_DAF_M4
3
0
R/W
CPU_DAF_M3
2
0
R/W
CPU_DAF_M2
1
0
R/W
CPU_DAF_M1
0
0
R/W
CPU_DAF_M0
Byte 16: Control Register 16
Bit
@Pup
Type
Name
Description
7
0
R/W
PCIE_DAF_N7
The PCIE_DAF_N[8:0] will be used to configure PCIE frequency for Dial-A
Frequency
6
0
R/W
PCIE_DAF_N6
5
0
R/W
PCIE_DAF_N5
4
0
R/W
PCIE_DAF_N4
3
0
R/W
PCIE_DAF_N3
2
0
R/W
PCIE_DAF_N2
1
0
R/W
PCIE_DAF_N1
0
0
R/W
PCIE_DAF_N0
Byte 17: Control Register 17
Bit
@Pup
Type
Name
Description
7
0
R/W
Recovery N7
Watchdog Recovery Bit
6
0
R/W
Recovery N6
Watchdog Recovery Bit
5
0
R/W
Recovery N5
Watchdog Recovery Bit
4
0
R/W
Recovery N4
Watchdog Recovery Bit
3
0
R/W
Recovery N3
Watchdog Recovery Bit
2
0
R/W
Recovery N2
Watchdog Recovery Bit
1
0
R/W
Recovery N1
Watchdog Recovery Bit
0
0
R/W
Recovery N0
Watchdog Recovery Bit
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