CY28419 Cypress Semiconductor, CY28419 Datasheet - Page 5

• Manufacturer Part Number: CY28419
• Description: Clock Synthesizer
• Manufacturer: Cypress Semiconductor

Document #: 38-07444 Rev. *D
Byte 0: Control Register 0
Byte 1: Control Register 1
Byte 2: Control Register 2
Bit
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Externally
Externally
Selected
Selected
@Pup
@Pup
@Pup
0
1
0
0
1
1
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
FS_B
FS_A
SRCT, SRCC
SRCT, SRCC
Reserved
Reserved
Reserved
CPUT2, CPUC2
CPUT1, CPUC1
CPUT0, CPUC0
SRCT, SRCC
SRCT, SRCC
CPUT2, CPUC2
CPUT1, CPUC1
CPUT0, CPUC0
Reserved
Reserved
Reserved
Name
Name
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
FS_B reflects the value of the FS_B pin sampled on power-up.
0 = FS_B low at power-up
FS_A reflects the value of the FS_A pin sampled on power-up.
0 = FS_A low at power-up
Allow control of SRCT/C with assertion of PCI_STP#
0 = Free Running, 1 = Stopped with PCI_STP#
SRCT/C Output Enable
0 = Disabled (three-state), 1 = Enabled
Reserved
Reserved
Reserved
CPUT/C2 Output Enable
0 = Disabled (three-state), 1 = Enabled
CPUT/C1 Output Enable,
0 = Disabled (three-state), 1 = Enabled
CPUT/C0 Output Enable
0 = Disabled (three-state), 1 = Enabled
SRCT/C Pwrdwn drive mode
0 = Driven in power-down, 1 = Three-state in power-down
SRCT/C Stop drive mode
0 = Driven in PCI_STP, 1 = Three-state in power-down
CPUT/C2 Pwrdwn drive mode
0 = Driven in power-down, 1 = Three-state in power-down
CPUT/C1 Pwrdwn drive mode
0 = Driven in power-down, 1 = Three-state in power-down
CPUT/C0 Pwrdwn drive mode
0 = Driven in power-down, 1 = Three-state in power-down
Reserved
Reserved
Reserved
Description
Description
Description
CY28419
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