Motorola MVME5100 Manual Do Utilizador

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Vital Product Data (VPD) Introduction
http://www.motorola.com/computer/literature
B-9
B
VPD 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.
A product may contain multiple FLASH memory configuration packets.
Table B-3.  FLASH Memory Configuration Data
Byte
Offset
Field 
Size
(Bytes)
Field
Mnemonic
Field Description
00
2
FMC_MID
Manufacturer’s Identifier (FFFF = Undefined/Not-
Applicable)
02
2
FMC_DID
Manufacturer’s 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_WEDW
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
0A
1
FMC_SPEED
ROM Access Speed in Nanoseconds
0B
1
FMC_SIZE
Total Bank Size (Should agree with the physical 
organization above): 00=256K, 01=512K, 02=1M, 
03=2M, 04=4M, 05=8M