Specifications

PCI CD and PCI CDa
Document Number: 008-00965-06 EDT Public December 2004
Template: edt.dot
Page 80
D24 A value of 1 causes the data in the flash ROM data register to be written to
the address specified by bits 0 through 23. A value of 0 reads the data.
D23-0 Address of location in flash ROM that the next read or write will access.
Flash ROM Data Register
Size 32-bit
I/O read-write
Address 0x84
Access EDT_FLASHROM_DATA
Comment Use this register and the flash ROM address register (above) to update the
program in the field-programmable gate array that implements the PCI
interface.
Bit Description
D31–9 Not used
D8 A read-only bit indicating the position of the jumper that enables access to
the protected area of the ROM that contains the executable program. A
value of 1 indicates that the board can load a new program.
D7-0 The new program to load into flash ROM with a write operation (specified by
setting bit A24 in the flash ROM address register), or the data that was read
(specified by clearing bit A24 in the flash ROM address register).