LFEC6 LATTICE [Lattice Semiconductor], LFEC6 Datasheet - Page 30
LFEC6
Manufacturer Part Number
LFEC6
Description
LatticeECP/EC Family Data Sheet
Manufacturer
LATTICE [Lattice Semiconductor]
Datasheet
1.LFEC6.pdf
(163 pages)
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Lattice Semiconductor
Figure 2-32. DQS Local Bus.
Figure 2-33. DLL Calibration Bus and DQS/DQS Transition Distribution
Control
Polarity
Control
Delay
DQS
Bus
Bus
Bus
Delay Control Bus
DQS
DQS
CLKI
GSR
DQS
CEI
DLL
DLL
To DDR
Reg.
Polarity Control
Register Block
( 5 Flip Flops)
2-27
PIO
PIO
DQSDEL
Logic
Input
To Sync.
Calibration Bus
from DLL
Reg.
LatticeECP/EC Family Data Sheet
Polarity Control Bus
Buffer
Buffer
sysIO
sysIO
DI
DI
DQS Bus
Datain
Strobe
DDR
DQS
PAD
PAD
Architecture