Programmable Logic Device:
Serial Presence Detect (SPD)
10006609-03
Pm8560
User’s Manual
8-25
10000000 (0x80) 128 ns
...
11111110 (0xFE) 254 ns
11111111 (0xFF) 255 n
s
Write Recovery Time
Register 8-31:
SPD Write Recovery Time (SPDWRT), 0x80
WRTWHNS:
Write Recovery Time for the on-board DDR SDRAM (whole nanosecond granularity)
000000 Reserved
000001 1 ns
000010 2 ns
000011 3 ns
...
111110 62 ns
111111 63 ns
WRTQTRNS:
Write Recovery Time for the on-board DDR SDRAM (quarter nanosecond granularity)
00 + 0 ns
01 + .25 ns
10 + .50 ns
11 + .75 ns
Internal Write-to-Read Command Delay
Register 8-32:
SPD Internal Write-to-Read Command Delay (SPDIWR), 0x84
WTRWHNS:
Internal Write-to-Read command delay for the on-board DDR SDRAM (whole nanosecond
granularity)
000000 Reserved
000001 1 ns
000010 2 ns
000011 3 ns
7
6
5
4
3
2
1
0
WRTWHNS
WRTQTRNS
7
6
5
4
3
2
1
0
WTRWHNS
WTRQTRNS
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 ...