Memory Maps and Addresses
CPCI-6200 Installation and Use (6806800J66C)
147
MAP_SEL Memory Map Select
1 Flash memory boot block A is selected and mapped to
the highest address. See Figure 4-2 on page 76.
0 Flash memory map is controlled by the Flash Boot Block
Select switch.
F_WP_SW Software flash bank write protect. This bit provides software-
controlled protection against inadvertent writes to the flash
memory devices.
1 Flash is write-protected.
0 Flash bank is not write-protected, if the HW write-
protect bit is not set. This bit is set during reset and
must be cleared by the system software to enable
writing of the flash devices.
F_WP_HW Hardware flash bank write protect switch status reflects the
current state of the FLASH BANK WP switch.
1 Flash is write-protected.
0 Flash is not write-protected.
FBT_BLK_SEL Flash Boot Block Select. This reflects the current state of the
BOOT BLOCK B SELECT switch.
1 Boot block B is selected and mapped to the highest
address. See Figure 4-3 on page 77.
0 Boot block A is selected and mapped to the highest
address. See Figure 4-2 on page 76.
FLASH_RDY Flash Ready. This bit provides the current state of the flash
devices’ Ready/Busy# pins.
1FLASH is ready.
0FLASH is not ready.
Table 7-12 NOR Flash Control/Status Register Field Definition
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