CY28404 Cypress Semiconductor, CY28404 Datasheet - Page 7

• Manufacturer Part Number: CY28404
• Description: CK409-COMPLIANT CLOCK SYNTHESIZER
• Manufacturer: Cypress Semiconductor

Document #: 38-07510 Rev. *B
Byte 5: Control Register 5
Byte 6: Control Register 6
Byte 7: Vendor ID
7
6
5
4
3
2
1
0
Bit
Bit
Bit
1
7
6
5
4
3
2
0
7
6
5
4
3
2
1
0
0
0
0
0
0
0
1
1
0
1
0
0
1
0
0
0
1
1
HW
1
1
1
1
1
@Pup
@Pup
@Pup
Reserved
Reserved
Reserved
Reserved
Reserved
PCIF
PCI
3V66
CPUT,CPUC
REF_1
REF_0
Revision ID Bit 3
Revision ID Bit 2
Revision ID Bit 1
Revision ID Bit 0
Vendor ID Bit 3
Vendor ID Bit 2
Vendor ID Bit 1
Vendor ID Bit 0
DOT_48
Reserved
3V66_3/VCH/SELVCH
3V66_3/VCH/SELVCH
Reserved
3V66_2
3V66_1
3V66_0
Name
Name
Name
Revision ID Bit 3
Revision ID Bit 2
Revision ID Bit 1
Revision ID Bit 0
Vendor ID Bit 3
Vendor ID Bit 2
Vendor ID Bit 1
Vendor ID Bit 0
DOT_48 Output Enable
0 = Disabled, 1 = Enabled
Reserved, set = 1
3V66_3/VCH/SELVCH Frequency Select
0 = 3V66 mode
1 = VCH (48 MHz) mode
May be written to override the power up value.
3V66_3/VCH/SELVCH Output Enable
0 = Disabled
1 = Enabled
Reserved, set = 1
3V66_2 Output Enable
0 = Disabled, 1 = Enabled
3V66_1 Output Enable
0 = Disabled, 1 = Enabled
3V66_0 Output Enable
0 = Disabled, 1 = Enabled
Reserved, set = 0
Reserved, set = 0
Reserved, set = 0
Reserved, set = 0
Reserved, set = 0
Spread Spectrum Enable
0 = Spread Off, 1 = Spread On
REF_1 Output Enable
0 = Disabled, 1 = Enabled
REF_0 Output Enable
0 = Disabled, 1 = Enabled
Description
Description
Description
CY28404
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