
Altera Corporation MegaCore Version 9.1 2–3
November 2009 RLDRAM II Controller MegaCore Function User Guide
Functional Description
Table 2–1 shows the RLDRAM II control signals generated by the control
logic for each operation.
Datapath
Figure 2–2 on page 2–4 shows the datapath block diagram.
Table 2–1. Control Signals
Operation Acronym
rldramii
_cs_n_0
rldramii
_we_n_0
rldramii
_ref_n_0
rldramii
_a_0[20:0]
rldramii
_ba_0[2:0]
Idle NOP High Don’t care Don’t care Don’t care Don’t care
Mode
Register
Set
MRS Low Low Low See your
RLDRAM data
sheet
Don’t care
Read READ Low High High Address Bank address
Write WRITE Low Low High Address Bank address
Auto
Refresh
AREF Low High Low Don’t care Bank address
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