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Programmable Logic Device:
Serial Presence Detect (SPD)
Pm8560 User’s Manual
10006609-03
8-24
TRCDQTRNS:
Minimum delay required between assertions of RAS and CAS for the on-board DDR SDRAM
(quarter nanosecond granularity)
00 + 0 ns
01 + .25 ns
10 + .50 ns
11 + .75 ns
Minimum Active-to-Precharge
Register 8-29:
SPD Minimum Active-to-Precharge (SPDMAP), 0x78
MATP:
Minimum Active-To-Precharge time for the on-board DDR SDRAM
00000000 (0x00) Reserved
00000001 (0x01) 1 ns
00000010 (0x02) 2 ns
00000011 (0x03) 3 ns
...
01111111 (0x7F) 127 ns
10000000 (0x80) 128 ns
...
11111110 (0xFE) 254 ns
11111111 (0xFF) 255 n
s
Minimum Auto-Refresh to Active/Auto-Refresh
Register 8-30:
SPD Minimum Auto-Refresh to Active/Auto-Refresh (SPDMAA), 0x7C
MARTAR:
Minimum Auto-Refresh To Active/Auto-Refresh command period for the on-board DDR
SDRAM
00000000 (0x00) Reserved
00000001 (0x01) 1 ns
00000010 (0x02) 2 ns
00000011 (0x03) 3 ns
...
01111111 (0x7F) 127 ns
7
6
5
4
3
2
1
0
MATP
7
6
5
4
3
2
1
0
MARTAR
Summary of Contents for Pm8560
Page 8: ...Contents continued Pm8560 User s Manual 10006609 03 vi ...
Page 10: ...Pm8560 User s Manual 10006609 03 viii blank page ...
Page 12: ...Pm8560 User s Manual 10006609 03 x blank page ...
Page 14: ...Pm8560 User s Manual 10006609 03 ii blank page ...
Page 36: ...Setup Troubleshooting Pm8560 User s Manual 10006609 03 2 12 ...
Page 54: ...Serial I O Baud Rate Selection Pm8560 User s Manual 10006609 03 5 4 ...
Page 62: ...TDM Interface Rear Panel I O Connector P14 Pm8560 User s Manual 10006609 03 6 8 ...
Page 72: ...PCI Bus Interface PMC Connector Pin Assignments Pm8560 User s Manual 10006609 03 7 10 ...
Page 112: ...Development Mezzanine Card Troubleshooting Pm8560 User s Manual 10006609 03 10 12 ...
Page 138: ...Monitor Download Formats Pm8560 User s Manual 10006609 03 11 26 ...
Page 144: ...Index continued Pm8560 User s Manual 10006609 03 i 4 ...