CPLD:Product ID Register (PIR)

PRODUCT ID REGISTER (PIR)

This read-only register identifies the board as PmPPC7448.

Register 7-6:PmPPC7448 Product ID Register (PIR) at 0xf820,4000

7

6

5

4

3

2

1

0

PIDR

PIDR: Product Identification register 0516 PmPPC7448

EREADY REGISTER (ERDY)

The PmPPC7448 provides a register for status and control of enumeration. In a Monarch system, the register is readable to indicate that other boards in the system are ready for enumeration. In a non-Monarch system, the register is writeable to indicate the PmPPC7448 is ready for enumeration.

Register 7-7:PmPPC7448 ERdy Register (ERdy) at 0xf820,5000

7

6

5

4

3

2

1

0

Reserved

ERdy

R:Reserved (default is 0000000)

ERdy: Monarch (read)

1 PCI devices are ready to be enumerated.

0 PCI devices are not ready to be enumerated.

Non-Monarch (write) (default for non-Monarch) 1 PMC is ready to be enumerated.

0 PMC is not ready to be enumerated.

REVISION REGISTERS

Two read-only registers are provided to track hardware and PLD revisions. A PLD version register provides a hard-coded tracking number that changes with each major CPLD code release.

10006757-02

PmPPC7448 User’s Manual

7-5

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Emerson PMPPC7448 user manual Cpld Product ID Register PIR, Eready Register Erdy, Revision Registers