CY28443-3
Byte 8: Control Register 8 (continued)
Bit
@Pup
Name
RESERVED
PCIF0
Description
1
0
1
1
RESERVED, Set = 1
33-MHz Output Drive Strength
0 = Low, 1 = High
Byte 9: Control Register 9
Bit
@Pup
Name
Description
7
6
5
4
0
0
0
0
S3
S2
S1
S0
27_96_100_SSC Spread Spectrum Selection table:
S[3:0] SS%
‘0000’ = –0.5%(Default value)
‘0001’ = –1.0%
‘0010’ = –1.5%
‘0011’ = –2.0%
‘0100’ = 0.25%
‘0101’ = 0.5%
‘0110’ = 0.75%
‘0111’ = 1.0%
‘1000’ = –0.35%
‘1001’ = –0.68%
‘1010’ = –1.09%
‘1011’ = –1.425%
‘1100’ = 0.17%
‘1101’ = 0.34%
‘1110’ = 0.545%
‘1111’ = 0.712%
3
2
1
1
RESERVED
27M Spread
RESERVED, Set = 1
27-MHz Spread Output Enable
0 = Disable (Hi-Z), 1 = Enable
1
0
1
0
27M_SS/LCD100M
Spread Enable
27M_SS/LCD100M Spread spectrum enable.
0 = Disable, 1 = Enable.
PCIF1
33-MHz Output Drive Strength
0 = Low, 1 = High
Byte 10: Control Register 10
Bit
@Pup
Name
SRC[T/C]11
Description
7
6
1
SRC[T/C]11 Output Enable
0 = Disable (Hi-Z), 1 = Enable
1
SRC[T/C]9
SRC[T/C]9 Output Enable
0 = Disable (Hi-Z), 1 = Enable
5
4
1
1
RESERVED
SRC[T/C]8
RESERVED, Set = 1
SRC[T/C]8 Output Enable
0 = Disable (Hi-Z), 1 = Enable
3
2
0
0
SRC[T/C]9
Allow control of SRC[T/C]9 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
SRC[T/C]11
Allow control of SRC[T/C]11 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
1
0
0
0
RESERVED
SRC[T/C]8
RESERVED, Set = 0
Allow control of SRC[T/C]8 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Rev 1.0,November 20, 2006
Page 8 of 23