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6402 Datasheet(PDF) 56 Page - Intel Corporation

Part # 6402
Description  Advanced Memory Buffer
PDF  250 Pages
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Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation

6402 Datasheet(HTML) 56 Page - Intel Corporation

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Debug and Logic Analyzer Mode
56
Intel® 6400/6402 Advanced Memory Buffer Datasheet
5.1.4
LAI Mode Signal Definitions
Table 5-1.
DDR Pins Shared With LAI Functionality
Signal Type
Count
Speed (MHz)
Use in LAI
Mode
Comment
DDR
DDR DQ & DQS
108
533/667
~ LAI signal
DQS must run single ended in LAI
mode
DDR Cmd/Addr
56
266/333
~ LAI signal
Most must run double speed in LAI
mode
Some may be dedicated to
bidirectional Event Bus
Clocks to DRAMs
8
533/667
~ LAI signal
May run single ended in LAI mode
DDR Comp and analog
5
analog
Not suitable for LAI signals
Total DDR Pins
177
Table 5-2.
List of Pins Required to Enable Debug With LAI Functionality
Signal Type
Count
Speed (MHz)
Comment
Southbound
S[59:0]
60
533/667
Data
Northbound
N[83:0]
84
533/667
Data
MODE
1
267/333
TRIG[10:0]
11
267/333
CLK
4
267/333
Two Differential pairs
QUAL
1
533/667
FRAME
1
533/667
EV[3:0]
4
100
Bidirectional
Comp Pins
5
Analog
Required for signal integrity
Total Pins
171
Table 5-3.
LAI Mode Added Signals (Sheet 1 of 2)
Signal Type
Direction
Definition
S[59:0]
Out
Southbound demuxed (6x10) traffic
N[83:0]
Out
Northbound demuxed (6x14) traffic
MODE
Out
Link mode:
0 = after training complete
1 = before training complete
TRIG[10:0]
Out
Triggers to LA. This provides eleven unique trigger signals to the
LA from the AMB LAI as a result of frame pattern matching, state
matching, and/or cross-triggering events from other LAIs. This
allows cooperating AMB LAIs to overcome (a) limitations of LA in
recognizing serial traffic patterns that exceed LA pattern
matching capabilities and, (b) relatively long latencies in cross-
triggering between LA modules.



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