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CPLD: Product ID Register (PIR)
10006757-02 PmPPC7448 User’s Manual
7-5
PRODUCT ID REGISTER (PIR)
This read-only register identifies the board as PmPPC7448.
Register 7-6: PmPPC7448 Product ID Register (PIR) at 0xf820,4000
PIDR: Product Identification register
05
16
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
R: Reserved (default is 0000000)
ERdy: Monarch (read)
1 PCI devices are ready to be enumerated.
0PCI 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.
76543210
PIDR
76543210
Reserved ERdy