Cypress CY24271, CY24272 manual Command Code 80h5 Bit Register, Pod, Type Description

CY24272

Table 6. Command Code 80h[5]

Bit	Register	POD	Type	Description
7	Reserved	0	RW	Reserved (no internal function)
6	MULT2	0	RW	PLL Multiplier Select (reference Table 3 on page 3)
5	MULT1	0	RW
4	MULT0	1	RW
3	RegA	1	RW	Clock 0 Output Select
2	RegB	1	RW	Clock 1 Output Select
1	RegC	1	RW	Clock 2 Output Select
0	RegD	1	RW	Clock 3 Output Select
Table 7. Command Code 81h[5]
Bit	Register	POD	Type	Description
7	Reserved	0	RW	Reserved (no internal function)
6	Reserved	0	RW
5	Reserved	0	RW
4	Reserved	0	RW
3	Reserved	1	RW	Reserved (must be set to ‘1’ for proper operation)
2	REFSEL	0	RW	Reference Frequency Select (reference Table 3 on page 3)
1	Reserved	0	RW	Reserved (must be set to ‘0’ for proper operation)
0	RegTest	0	RW	Reserved (must be set to ‘0’ for proper operation)
Table 8. Command Code 82h[5]
Bit	Register	POD	Type	Description
7	Device	?	RO	Contact factory for Device Revision Number information.
	Revision
6		?	RO
	Number
5		?	RO
4		?	RO
3		?	RO
2	Vendor ID	0	RO	Rambus assigned Vendor ID Code
1		1	RO
0		0	RO

Note

5. RW = Read and Write, RO = Read Only, POD = Power on default. See Table 3 on page 3 for PLL multipliers and Table 5 on page 4 for clock output selections.

Document Number: 001-42414 Rev. ** Page 5 of 13

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