CY24271 Cypress Semiconductor Corporation., CY24271 Datasheet - Page 5

• Manufacturer Part Number: CY24271
• Description: Rambus Xdr Clock Generator
• Manufacturer: Cypress Semiconductor Corporation.

Table 5. Command Code 80h
Table 6. Command Code 81h
Table 7. Command Code 82h
Document Number: 001-00411 Rev. *B
Note
6. RW = Read and Write, RO = Read Only, POD = Power on default. See
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
Vendor ID
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Register
Register
Register
REFSEL
Revision
RegTest
Number
MULT2
MULT1
MULT0
Device
RegA
RegB
RegC
RegD
POD
POD
POD
[6]
0
0
0
1
1
1
1
1
[6]
0
0
0
0
1
0
0
0
[6]
?
?
?
?
?
0
1
0
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
RO
Reserved (no internal function)
PLL Multiplier Select
Clock 0 Output Select
Clock 1 Output Select
Clock 2 Output Select
Clock 3 Output Select
Reserved (no internal function)
Reserved (must be set to ‘1’ for proper operation)
Reference Frequency Select (reference
Reserved (must be set to ‘0’ for proper operation)
Reserved (must be set to ‘0’ for proper operation)
Contact factory for Device Revision Number information.
RAMBUS assigned Vendor ID Code
Table 2
for PLL multipliers and
Description
Description
Description
Table 4
for clock output selections.
Table
2)
CY24271
Page 5 of 13
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