CY28409 Cypress Semiconductor, CY28409 Datasheet - Page 6

• Manufacturer Part Number: CY28409
• Description: Clock Synthesizer with Differential SRC and CPU Outputs
• Manufacturer: Cypress Semiconductor

Document #: 38-07445 Rev. *B
Byte 3: Control Register 3
Byte 4: Control Register 4
Byte 5: Control Register 5
Bit
Bit
Bit
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
1
1
1
1
1
1
0
1
0
0
0
1
1
1
1
1
0
1
1
1
1
1
PCI5
PCI4
PCI3
PCI2
PCI1
PCI0
USB_48
USB_48
PCIF2
PCIF1
PCIF0
PCIF2
PCIF1
PCIF0
DOT_48
Reserved
3V66_4/VCH
3V66_4/VCH
3V66_3
3V66_2
3V66_1
3V66_0
Name
Name
Name
PCI5 Output Enable
0 = Disabled, 1 = Enabled
PCI4 Output Enable
0 = Disabled, 1 = Enabled
PCI3 Output Enable
0 = Disabled, 1 = Enabled
PCI2 Output Enable
0 = Disabled, 1 = Enabled
PCI1 Output Enable
0 = Disabled, 1 = Enabled
PCI0 Output Enable
0 = Disabled, 1 = Enabled
USB_48 Drive Strength
0 = High drive strength, 1 = Low drive strength
USB_48 Output Enable
0 = Disabled, 1 = Enabled
Allow control of PCIF2 with assertion of PCI_STP# or SW PCI_STP
0 = Free Running, 1 = Stopped with PCI_STP#
Allow control of PCIF1 with assertion of PCI_STP# or SW PCI_STP
0 = Free Running, 1 = Stopped with PCI_STP#
Allow control of PCIF0 with assertion of PCI_STP# or SW PCI_STP
0 = Free Running, 1 = Stopped with PCI_STP#
PCIF2 Output Enable
0 = Disabled, 1 = Enabled
PCIF1 Output Enable
0 = Disabled, 1 = Enabled
PCIF0 Output Enable
0 = Disabled, 1 = Enabled
DOT_48 Output Enable
0 = Disabled, 1 = Enabled
Reserved, Set = 1
VCH Select 66 MHz/48 MHz
0 = 3V66 mode, 1 = VCH (48 MHz) mode
3V66_4/VCH Output Enable
0 = Disabled, 1 = Enabled
3V66_3 Output Enable
0 = Disabled, 1 = Enabled
3V66_2 Output Enable
0 = Disabled, 1 = Enabled
3V66_1 Output Enable
0 = Disabled, 1 = Enabled
3V66_0 Output Enable
0 = Disabled, 1 = Enabled
Description
Description
Description
CY28409
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