Intel i960 Series User Manual

A THEORY OF OPERATION
4-9
Figure 4-4. DRAM State Machine
Precharge
Precharge
Precharge/Idle
Assert RAS*
Assert RAS*
Assert CASEN*
If /(PF3 * /W_R)
assert INCBANK*
Assert RAS*
Assert CASEN*
Assert INCBANK*
Assert RAS*
If /W_R assert CASEN*
If /W_R * /(PF2 + PF3)
assert INCBANK*
Assert /REF
Assert /REF
Assert /REF. /RAS
Assert /REF. /RAS
Assert /REF. /RAS
/BLAST * PF3 * /W_R
/BLAST * PF0
/ B L
A S T * P F 3
* W _ R
/
B L
A S
T
*
P F
2
/
B L A
S T
* P
F 1
/ADS * seldram *(PF1 + PF2 + PF3)
/W_R * (PF2 + PF3)
/ A D
S * s
e l d r a
m *
P F 0
+ / M E M P E N D
* P F 0
P
F
0
P
F
1
W
_
R
*
(
P
F
2
+
P
F
3
)
B L A S
T * / W _
R * P F 0
B
L A S T
* / W
_ R P F
1
/ E X T E N D * / W _ R
/REPEND
BLAST*/W_R*PF3
BLAST*/W_R*PF2
BLAST*W_R

Intel i960 Series Specifications

General

Brand	Intel
Model	i960 Series
Category	Computer Hardware
Language	English