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Programmable Configuration Data
MVME7100ET Single Board Computer Programmer’s Reference (6806800K88B)
85
A.11 SPD Contents for MVME7100ET Boards
The following table describes the SPD data to be programmed into U50 and U51.
Table A-6 SPD Contents
Value
Offset
Description
00 (0x00)
80
Number of Serial PD Bytes written during module production: 0x80 = 128
bytes.
Refer to Note
01 (0x01)
08
Total Number of Bytes in Serial PD Device: 0x08 = 256 bytes.
Refer to Note
02 (0x02)
08
Fundamental Memory Type (FPM, EDO, SDRAM): 0x08 = DDR2 SDRAM
03 (0x03)
0E
Number of Row Addresses on this assembly: 0x0E = A0-A13
04 (0x04)
0A
Number of Column Addresses on this assembly: 0x0A = A0-A9
05 (0x05)
00
Number of DIMM Banks: 0x00 = one bank
06 (0x06)
48
Data Width of this assembly: 0x48 = 72 bits
07 (0x07)
00
Reserved
08 (0x08)
05
Voltage Interface Level of this assembly: 0x05 = SSTL 1.8 V
09 (0x09)
30
SDRAM Cycle time at Maximum Supported CAS Latency (CL), CL=X: 0x30 =
3.0ns.
Refer to Note
10 (0x0A)
45
SDRAM Access time from Clock at Maximum Supported CAS Latency (CL),
CL=X: 0x45 = 0.45ns.
Refer to Note
11 (0x0B)
02
DIMM configuration type (Non-parity, Parity or ECC): 0x02 = ECC
12 (0x0C)
81
Refresh Rate/Type: 0x81= 3.9us.
Refer to Notes 3 and 4.
13 (0x0D)
08
Primary SDRAM Width: 0x08 = 8 bits
14 (0x0E)
08
Error Checking SDRAM Width: 0x08 = 8 bits
15 (0x0F)
00
Reserved
16 (0x10)
0C
SDRAM Device Attributes - Burst Lengths Supported: 0x0C = 4, and 8 burst
lengths
Summary of Contents for MVME7100ET
Page 1: ...MVME7100ET Single Board Computer Programmer s Reference P N 6806800K88B June 2014 ...
Page 10: ...MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 10 List of Figures ...
Page 24: ...Memory Maps MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 24 ...
Page 50: ...Register Descriptions MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 50 ...
Page 96: ...Related Documentation MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 96 ...
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