Motorola MVME2400 Series Manuel de service Page 319

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MVME2400 VPD Reference Information
http://www.mcg.mot.com/literature B-5
B
VPD Data Definitions - FLASH Memory Configuration Data
The FLASH memory configuration data packet consists of byte fields
which indicate the size/organization/type of the FLASH memory array.
The following table(s) further describe the FLASH memory configuration
VPD data packet.
45
Reserved for future configuration options
46
Reserved for future configuration options
47
Reserved for future configuration options
48-127
Reserved for future configuration options
Table B-3. FLASH Memory Configuration Data
Byte
Offset
Field Size
(Bytes)
Field
Mnemonic
Field Description
00 2 FMC_MID Manufacturers Identifier (FFFF = Undefined/Not-
Applicable)
02 2 FMC_DID Manufacturers Device Identifier (FFFF = Undefined/Not-
Applicable)
04 1 FMC_DDW Device Data Width (e.g., 8-bits, 16-bits)
05 1 FMC_NOD Number of Devices/Sockets Present
06 1 FMC_NOC Number of Columns (Interleaves)
07 1 FMC_CW Column Width in Bits
This will always be a multiple of the device’s data width.
08 1 FMC_WED
W
Write/Erase Data Width
The FLASH memory devices must be programmed in
parallel when the write/erase data width exceeds the
device’s data width.
09 1 FMC_BANK Bank Number of FLASH Memory Array: 0 = A, 1 = B
Table B-2. MVME2400 Product Configuration Options Data (Continued)
Bit Number Bit Mnemonic Bit Description
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